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Property details

Case reference: PP/18/01375
Address: Leighton House Museum, 12 Holland Park Road, LONDON, W14 8LZ
Ward: Holland
Polling district: 10
Listed Building Grade: 2*
Conservation area: Holland Park

Applicant details

Applicant's name: The Royal Borough of Kensington & Chelsea
Applicant company name: Montagu Evans LLP
Contact address: 5 Bolton Street London W1J8BA

Proposal details

Application type: PP (Planning permission)
Proposed development Extensions and alterations to include removal of infill development below Winter Studio; replacement of fire escape with new stair and lift enclosure; creation of a mezzanine floor and accessible entrance in Perrin Wing; excavation of basement to accommodate new drawings gallery, collections store and WC facilities, and new glazed links to house.
Date received: 07 Mar 2018
Registration date:
(Statutory start date)
13 Mar 2018
Public consultation ends: 24 Apr 2018
Application status: Decided
Target date for decision: 08 May 2018

Decision details

This case has not yet been decided.

Decision: Grant Planning Permission/Consent
Decision date: 15 May 2018
Conditions and reasons:

1)

Time Limit The development hereby permitted shall be begun before the expiration of three years from the date of this permission.
Reason - As required by Section 91 of the Town and Country Planning Act 1990, to avoid the accumulation of unexercised Planning Permissions.

2)

Compliance with approved drawings Except as required by recommended condition 12 development shall not be carried out except in complete accordance with the details shown on submitted plans
Reason - The details are material to the acceptability of the proposals, and to ensure accordance with the development plan.

3)

Construction Traffic Management Plan (CTMP) No development shall commence until a Construction Traffic Management Plan has been submitted to and approved in writing by the local planning authority.ÿ The statement should include: a)ÿ routeing of demolition, excavation and construction vehicles, including a response to existing or known projected major building works at other sites in the vicinity and local works in the highway; b)ÿ access arrangements to the site; c)ÿ the estimated number and type of vehicles per day/week; d)ÿ details of any vehicle holding area; e)ÿ details of the vehicle call up procedure; f)ÿÿ estimates for the number and type of parking suspensions that will be required; g) details of any diversion or other disruption to the public highway during preparation, demolition, excavation and construction work associated with the development; h)ÿ work programme and/or timescale for each phase of preparation, demolition, excavation and construction work associated with the development; i)ÿÿ details of measures to protect pedestrians and other highway users from construction activities on the highway; j)ÿ a strategy for coordinating the connection of services on site with any programme work to utilities upon adjacent land; and k)ÿ where works cannot be contained wholly within the site a plan should be submitted showing the site layout on the highway including extent of hoarding, position of nearby trees in the highway or adjacent gardens, pedestrian routes, parking bay suspensions and remaining road width for vehicle movements. The development shall be carried out in accordance with the approved Construction Traffic Management Plan.
Reason - To minimise the impact of construction works upon highway safety and nearby residents' enjoyment of their properties in accordance with the Basements SPD and policies CL7, CT1 and CL5 of the Consolidated Local Plan.ÿ It is necessary for the condition to be on the basis that "No development shall commence until" as

4)

Submission of details (Full PP) Detailed drawings, samples of materials, or method statement where specified, in respect of the following shall be submitted to and approved in writing by the local planning authority before the relevant part of the work is begun, and the works shall not be carried out other than in accordance with the details so approved and shall thereafter be so maintained: (a) Notwithstanding the approved drawings, the new side security gate and side panel (b) Cycle parking and storage; (c) Facilities and arrangements for storage and disposal of refuse.
Reason - To accord with the development plan by ensuring that the character and appearance of the area are preserved and living conditions of those living near the development suitably protected.

5)

Protection of trees during construction - Details required No development shall commence until full particulars of the methods by which all existing trees on the site and adjacent land are to be protected during site preparation, demolition, construction, landscaping, and other operations on the site including erection of hoardings, site cabins, or other temporary structures, shall be submitted to and approved in writing by the local planning authority and the development shall be carried out only in accordance with the details so approved.
Reason - To ensure that the trees are adequately protected, to safeguard their contribution to theÿappearance and amenity of the area and accord with policies of the development plan, in particular policy CR6 of the Consolidated Local Plan. It is necessary for the condition to be on the basis that 'No development shall commence until' as compliance with the requirements of the condition at a later time would result in unacceptable harm contrary to the policies of the Development Plan.

6)

Trees - lopping and topping For the duration of works the tree(s) existing on the site at the date of this permission shall be protected so as to prevent damage above and below ground, and no tree shall be lopped, topped, or felled, or root pruned, without the prior written approval of the local planning authority.
Reason - To ensure that the trees are adequately protected, to safeguard their contribution to theÿappearance and amenity of the area and accord with policies of the development plan, in particular policy CR6 of the Consolidated Local Plan.

7)

Noise from building services plant and vents Noise emitted by all building services plant and vents shall not exceed a level 10dBA below the existing lowest LA90(10min) background noise level at any time when the plant is operating, and where the source is tonal it shall not exceed a level 15dBA below. The noise emitted shall be measured or predicted at 1.0m from the facade of the nearest residential premises or at 1.2m above any adjacent residential garden, terrace, balcony or patio. The plant shall be serviced regularly in accordance with the manufacturer's instructions and as necessary to ensure that the requirements of the condition are maintained. If at any time the plant is determined by the local planning authority to be failing to comply with this condition, it shall be switched off upon written instruction from the local planning authority and not used again until it is able to comply.
Reason - To prevent any significant disturbance to residents of nearby properties and comply with development plan policies, in particular policy CL5 of the Consolidated Local Plan.

8)

Anti-vibration mounts for air-conditioning/ extraction equipment The plant shall not operate unless it is supported on adequate proprietary anti-vibration mounts to prevent the structural transmission of vibration and regenerated noise within adjacent or adjoining premises, and these shall be so maintained thereafter.
Reason - To prevent any significant disturbance to residents of nearby properties and comply with development plan policies, in particular policy CL5 of the Consolidated Local Plan.

9)

Porous surfaces All new hard surfacing in the development shall be constructed using porous materials and so maintained thereafter. If any permeable surfaces are removed, they shall need to be replaced with permeable surfaces again.
Reason - To reduce flood risk and to contribute to sustainability in accordance with policy CE2of the Consolidated Local Plan.

10)

Professional management of engineering works No development shall commence until a Chartered Civil Engineer (MICE) or Chartered Structural Engineer (MI Struct.E)ÿhas been appointed to supervise the construction works throughout their duration and their appointment confirmed in writing to the Local Planning Authority. In the event that the appointed engineer ceases to perform that role for whatever reason before the construction works are completed those works will cease until a replacement chartered engineer of the afore-described qualification has been appointed to supervise their completion and their appointment confirmed in writing to the Local Planning Authority. At no time shall any construction work take place unless an engineer is at that time currently appointed and their appointment has been notified to this Authority in accordance with this condition.
Reason - The details are considered to be material to the acceptability of the proposal, and for safeguarding the amenity of neighbouring residential properties and to comply with the Basements SPD and policy CL7 of the Consolidated Local Plan 2015. It is necessary for the condition to be on the basis that "No development shall commence until" as compliance with the requirements of the condition at a later time would result in unacceptable harm contrary to the policies of the Development Plan.

11)

Considerate Constructors Scheme (CCS) No development shall commence until such time as the lead contractor, or the site, is signed to the Considerate Constructors Scheme (CCS) and its published Code of Considerate Practice, and the details of (i) the membership, (ii) contact details, (iii) working hours as stipulated under the Control of Pollution Act 1974, and (iv) Certificate of Compliance, are clearly displayed on the site so that they can be easily read by passing members of the public, and shall thereafter be maintained on display throughout the duration of the works forming the subject of this permission.
Reason - To mitigate the impact of construction work upon the levels of amenity that neighbouring occupiers should reasonably expect to enjoy, and to comply with the Basements SPD and policy CL5 of the Consolidated Local Plan 2015. It is necessary for the condition to be on the basis that "No development shall commence until" as compliance with the requirements of the condition at a later time would result in unacceptable harm contrary to the policies of the Development Plan.

12)

Items not Hereby Approved Notwithstanding the approved drawings permission is not hereby granted for the following item, and these shall not be carried out under this planning permission: a) Installation of bronze security gate and enclosure on the eastern side of the Perrin wing.
Reason - In order to safeguard the special architectural or historic interest and heritage significance of the building and the character and appearance of the conservation area and comply with policies CL1, CL2, CL3, CL4 and CL6 of the Consolidated Local Plan.

Informatives:

1)

Unique text
Considerations in relation to gas pipeline/s identified on site: Cadent have identified operational gas apparatus within the application site boundary. This may include a legal interest (easements or wayleaves) in the land which restricts activity in proximity to Cadent assets in private land. The Applicant must ensure that proposed works do not infringe on Cadent's legal rights and any details of such restrictions should be obtained from the landowner in the first instance. If buildings or structures are proposed directly above the gas apparatus then development should only take place following a diversion of this apparatus. The Applicant should contact Cadent's Plant Protection Team at the earliest opportunity to discuss proposed diversions of apparatus to avoid any unnecessary delays. If any construction traffic is likely to cross a Cadent pipeline then the Applicant must contact Cadent's Plant Protection Team to see if any protection measures are required. All developers are required to contact Cadent's Plant Protection Team for approval before carrying out any works on site and ensuring requirements are adhered to. Email: plantprotection@cadentgas.com Tel: 0800 688 588

2)

Unique text
Drawings show the contractors compound/temporary storage area encroaching into the RPA of the tree. This can work, for example, where Portakabins are situated in the RPA and so prevent the soil beneath being disturbed. In this situation ground protection would be required to prevent soil compaction. The difficulty comes in getting the cabins into place without damaging the tree. However, temporary storage within the RPA often creates diesel spillages, contamination and soil disturbances. The contractors compound/temporary storage area should be located further to the west outside the RPA. The piling would need to take place under the canopy of the tree and the report suggests that a clearance of 6m could be achieved by pruning back smaller branches which would not affect the tree's appearance adversely. However, it is frequently the case that once works commence the Council's arboricultural officers are told that half the tree's canopy will have to be removed in order to allow access for a 12m piling rig. This will not be acceptable and you are thus advised to address the matter now. As noted on page 8 of the AIA the remaining trees on the site T1,4,5,6,7,G2 and T9-15 will need to be protected during works due mainly to the movement of machinery on the site.

3)

Enforcement of Conditions (PP)
Your attention is drawn to the Conditions of this Permission and to the Council's powers of enforcement, including the power to serve a Breach of Condition Notice under the Town and Country Planning Act 1990, as amended. All Conditions must be complied with. If you wish to seek to amend a Condition you should apply to do so under s.73 of the Act, explaining why you consider it is no longer necessary, or possible, to comply with a particular condition.

4)

Variations to Approved Drawings
Planning permission is hereby granted for the development as shown on the approved drawings. Any variation to the approved scheme may require further permission, and unauthorised variations may lay you open to planning enforcement action. You are advised to seek advice from the Directorate of Planning and Borough Development, before work commences, if you are thinking of introducing any variations to the approved development. Advice should urgently be sought if a problem occurs during approved works, but it is clearly preferable to seek advice at as early a stage as possible. Use the following link to see how advice can be obtained: Planning Advice Service

5)

Conditions - Precedent to Commencement
Conditions nos 3, 5, 6 and 13 impose requirements which must be met prior to commencement of the development. Failure to observe these requirements could result in the Council taking enforcement action, or may invalidate the planning permission and render the whole of the development unlawful.

6)

Care in the Conservation Area
This property is within a Conservation Area. All building works should, therefore, be completed with great care. External facing work and detailed treatment should be finished in a manner sympathetic to the existing building. If there is any doubt about the way in which work should be carried out, you should seek the advice of the Directorate of Planning and Borough Development.

7)

Building Regs - Separate Approval
Separate approval for the works hereby granted permission/consent may be required by the Building Act 1984 and the Building Regulations 2000 (as amended), and the grant of planning permission does not imply that such approval will be given. The Director of Building Control, Town Hall, Hornton Street, W8 7NX should be consulted before works commence.

8)

GTD/Pre-app/At submission Est.G/No amend
To assist applicants in finding solutions to problems arising in relation to their development proposals the Local Planning Authority has produced planning policies, and provided written guidance, all of which are available on the Council's website. A pre-application advice service is also offered. The scheme was submitted in accordance with advice provided through pre-application discussions.

Committee details

Decision by: This case is currently due to be decided under delegated powers.

Appeal details

This case has not been appealed.

Planning Inspectorate reference number:
Appeal received:
Appeal type:
Appeal procedure:
Appeal start date:
Deadline for comments to be received by the Planning Inspectorate:
Appeal decision:
Appeal decision date:

Contact details

Planning case officer: Stephanie Malik
Planning team: North
Email: planning@rbkc.gov.uk
Telephone: 020 7361 3012

Comment on this application

The consultation period for this application has ended.

Documents related to case PP/18/01375

Date publishedDocument TypeViewDescription
09 Mar 2018  Application Form  Application Form-2045885.pdf   APPLICATION FORM NO PERSONAL DATA 
09 Mar 2018  Other  Other-2045886.pdf   ATTACHMENT SUMMARY 
09 Mar 2018  CIL Documentation  CIL Documentation-2045887.pdf   CIL QUESTIONS 
09 Mar 2018  Receipts and payments  Receipts and payments-2045890.pdf   FEE CALCULATION 
09 Mar 2018  Other  Other-2045891.pdf   LHM BDP DESIGN AND ACCESS STATEMENT P1 PART1 
09 Mar 2018  Other  Other-2045904.pdf   LHM BDP DESIGN AND ACCESS STATEMENT P1 PART2 
09 Mar 2018  Other  Other-2045905.pdf   LHM BDP DESIGN AND ACCESS STATEMENT P1 PART3 
09 Mar 2018  Other  Other-2045906.pdf   LHM ECOLOGY REPORT 
09 Mar 2018  Other  Other-2045907.pdf   LHM SCI_050318_FINAL 
09 Mar 2018  Other  Other-2045908.pdf   LHM-BDP-ZZ-XX-RP-YA-ZZ-PL-0001_ NOISE STATEMENT FOR PLANNING 
09 Mar 2018  Other  Other-2045909.pdf   LHM-C-BDP-ZZ-ZZ-RP-C-001 FLOOD RISK ASSESSMENT 
09 Mar 2018  Other  Other-2045910.pdf   P1854 LEIGHTON HOUSE MUSEUM CTMP 
09 Mar 2018  Other  Other-2045911.pdf   PD10542-LEIGHTON HOUSE_HS_V9_LOW RES_PART1 
09 Mar 2018  Other  Other-2045912.pdf   PD10542-LEIGHTON HOUSE_HS_V9_LOW RES_PART2 
09 Mar 2018  Other  Other-2045947.pdf   2018-03-02 - CONSTRUCTION METHOD STATEMENT - REV C 
09 Mar 2018  Other  Other-2045948.pdf   2769-LEIGHTON HOUSE MUSEUM-APPENDIX A TREE SURVEY-1802-26NS 
09 Mar 2018  Other  Other-2045950.pdf   2769-LEIGHTON HOUSE MUSEUM-APPENDIX B TCP-1802-26NS 
09 Mar 2018  Other  Other-2045951.pdf   2769-LEIGHTON HOUSE MUSEUM-APPENDIX C ROOT MAPPING REPORT-1802-26NS 
09 Mar 2018  Other  Other-2045953.pdf   2769-LEIGHTON HOUSE MUSEUM-APPENDIX D AIA-1802-26NS 
09 Mar 2018  Other  Other-2045954.pdf   2769-LEIGHTON HOUSE MUSEUM-APPENDIX E AMS-1802-26NS 
09 Mar 2018  Other  Other-2045955.pdf   2769-LEIGHTON HOUSE MUSEUM-APPENDIX F1 TPP BUILD OPTION 1-1802-26NS 
09 Mar 2018  Other  Other-2045956.pdf   2769-LEIGHTON HOUSE MUSEUM-APPENDIX F2 TPP BUILD OPTION 2-1802-26NS 
09 Mar 2018  Other  Other-2045957.pdf   2769-LEIGHTON HOUSE MUSEUM-APPENDIX F3 TPP LANDSCAPE-1802-26NS 
09 Mar 2018  Other  Other-2045959.pdf   2769-LEIGHTON HOUSE MUSEUM-ARBORICULTURAL SUMMARY-1803-02NS 
09 Mar 2018  Correspondence  Correspondence-2045964.pdf   180306 COVERING LETTER LEIGHTON HOUSE MUSEUM 
09 Mar 2018  Other  Other-2045965.pdf   180306 PLANNING STATEMENT 
09 Mar 2018  Other  Other-2045966.pdf   20180301_LHM_DSP 
09 Mar 2018  Other  Other-2045967.pdf   20180301_LHM_TRANSPORTSTATEMENT 
09 Mar 2018  Other  Other-2045968.pdf   APPENDIX A - DRAWINGS SUMMARISING THE EXISTING STRUCTURE 
09 Mar 2018  Other  Other-2045969.pdf   APPENDIX B - DRAWINGS SUMMARISING THE BASEMENT PROPOSALS 
09 Mar 2018  Other  Other-2045970.pdf   APPENDIX C - DRAWINGS SEQ TEMP WORKS DESIGN 
09 Mar 2018  Other  Other-2045971.pdf   APPENDIX D -CALCULATIONS 
09 Mar 2018  Other  Other-2045972.pdf   APPENDIX E - GROUND MOVEMENT 
09 Mar 2018  Other  Other-2045973.pdf   APPENDIX F - 2014 SITE INVESTIGATION REPORT 
09 Mar 2018  Other  Other-2045974.pdf   APPENDIX G - 2017 SITE INVESTIGATION REPORT_LR_PART1 
09 Mar 2018  Other  Other-2045975.pdf   APPENDIX G - 2017 SITE INVESTIGATION REPORT_LR_PART2 
09 Mar 2018  Other  Other-2045976.pdf   APPENDIX G - 2017 SITE INVESTIGATION REPORT_LR_PART3 
09 Mar 2018  Other  Other-2045977.pdf   APPENDIX G - 2017 SITE INVESTIGATION REPORT_LR_PART4 
09 Mar 2018  Other  Other-2045978.pdf   APPENDIX G - 2017 SITE INVESTIGATION REPORT_LR_PART5 
09 Mar 2018  Other  Other-2045979.pdf   APPENDIX G - 2017 SITE INVESTIGATION REPORT_LR_PART6 
09 Mar 2018  Other  Other-2045980.pdf   APPENDIX H - EXTRACTS FROM ARBORICULTURAL REPORT 
14 Mar 2018  Correspondence  Correspondence-2047404.pdf   Validation acknowledgement 
14 Mar 2018  Site Notice  Site Notice-2047405.pdf   Site Notice 
15 Mar 2018  Site Notice  Site Notice-2048718.pdf   Site Notice 
05 Apr 2018  Other  Other-2057255.pdf   TRANSPORTATION COMMENTS 
09 Apr 2018  Consultee Responses  Consultee Responses-2058444.pdf   CADENT 
09 Apr 2018  Consultee Responses  Consultee Responses-2058450.pdf   CADENT 
19 Apr 2018  Revision Content  Revision Content-2064093.pdf   RE DESIGN OBJECTIONS 
15 May 2018  Drawing - Approved  Drawing - Approved-2045914.pdf   EXISTING SOUTH ELEVATION EXISTING SECTION BB 
15 May 2018  Drawing - Approved  Drawing - Approved-2045915.pdf   EXISTING NORTH ELEVATION EXISTING SECTION AA 
15 May 2018  Drawing - Approved  Drawing - Approved-2045916.pdf   EXISTING WEST ALLEY ELEVATION EXISTING EAST ALLEY ELEVATION 
15 May 2018  Drawing - Approved  Drawing - Approved-2045917.pdf   EXISTING EAST ELEVATION EXISTING SECTION CC 
15 May 2018  Drawing - Approved  Drawing - Approved-2045918.pdf   EXISTING SECOND FLOOR PLAN 
15 May 2018  Drawing - Approved  Drawing - Approved-2045919.pdf   EXISTING ROOF PLAN 
15 May 2018  Drawing - Approved  Drawing - Approved-2045920.pdf   EXISTING SITE PLAN 
15 May 2018  Drawing - Approved  Drawing - Approved-2045921.pdf   EXISTING SITE PLAN 
15 May 2018  Drawing - Approved  Drawing - Approved-2045922.pdf   SITE LOCATION PLAN 
15 May 2018  Drawing - Approved  Drawing - Approved-2045923.pdf   FABRIC REMOVAL EXISTING SOUTH ELEVATIONEXISTING SECTION DD 
15 May 2018  Drawing - Approved  Drawing - Approved-2045924.pdf   FABRIC REMOVAL EXISTING NORTH ELEVATIONEXISTING SECTION AA 
15 May 2018  Drawing - Approved  Drawing - Approved-2045925.pdf   FABRIC REMOVAL EXISTING WEST ALLEY ELEVATION EXISTING EAST ALLEY ELEVATION 
15 May 2018  Drawing - Approved  Drawing - Approved-2045926.pdf   FABRIC REMOVAL EXISTING EAST ELEVATION EXISTING SECTION CC 
15 May 2018  Drawing - Approved  Drawing - Approved-2045927.pdf   EXISTING LOWER GROUND FLOOR PLAN - FABRIC REMOVAL 
15 May 2018  Drawing - Approved  Drawing - Approved-2045928.pdf   EXISTING GROUND FLOOR PLAN - FABRIC REMOVAL 
15 May 2018  Drawing - Approved  Drawing - Approved-2045929.pdf   EXISTING MEZZANINE FLOOR PLAN - FABRIC REMOVAL 
15 May 2018  Drawing - Approved  Drawing - Approved-2045930.pdf   EXISTING FIRST FLOOR PLAN - FABRIC REMOVAL 
15 May 2018  Drawing - Approved  Drawing - Approved-2045931.pdf   EXISTING SECOND FLOOR PLAN - FABRIC REMOVAL 
15 May 2018  Drawing - Approved  Drawing - Approved-2045933.pdf   EXISTING ROOF PLAN - FABRIC REMOVAL 
15 May 2018  Drawing - Approved  Drawing - Approved-2045934.pdf   PROPOSED SOUTH ELEVATION PROPOSED SECTION FF 
15 May 2018  Drawing - Approved  Drawing - Approved-2045935.pdf   PROPOSED NORTH ELEVATION PROPOSED SECTION BB 
15 May 2018  Drawing - Approved  Drawing - Approved-2045936.pdf   PROPOSED MEZZANINE FLOOR PLAN 
15 May 2018  Drawing - Approved  Drawing - Approved-2045937.pdf   PROPOSED SECTION CC PROPOSED SECTION GG 
15 May 2018  Drawing - Approved  Drawing - Approved-2045938.pdf   PROPOSED EAST ELEVATION PROPOSED SECTION EE 
15 May 2018  Drawing - Approved  Drawing - Approved-2045939.pdf   PROPOSED SECTION AA PROPOSED SECTION HH 
15 May 2018  Drawing - Approved  Drawing - Approved-2045940.pdf   PROPOSED SECTION DD PROPOSED SECTION KK 
15 May 2018  Drawing - Approved  Drawing - Approved-2045941.pdf   PROPOSED LOWER GROUND FLOOR PLAN 
15 May 2018  Drawing - Approved  Drawing - Approved-2045942.pdf   PROPOSED GROUND FLOOR PLAN 
15 May 2018  Drawing - Approved  Drawing - Approved-2045943.pdf   PROPOSED FIRST FLOOR PLAN 
15 May 2018  Drawing - Approved  Drawing - Approved-2045944.pdf   PROPOSED SECOND FLOOR PLAN 
15 May 2018  Drawing - Approved  Drawing - Approved-2045945.pdf   PROPOSED ROOF FLOOR PLAN 
15 May 2018  Drawing - Approved  Drawing - Approved-2045946.pdf   PROPOSED SITE PLAN 
15 May 2018  Decision  Decision-2074984.pdf   Decision Notice 
15 May 2018  Report  Report-2074987.pdf   Report (Officers)