Manor Cottage, 18a Waxwell Lane, Pinner, Harrow, HA5 3EN
Approved on 24 November 2025
Boundary © HM Land Registry, © Ordnance Survey · details
This information is subject to Crown copyright and database rights 2026 and is reproduced with the permission of HM Land Registry. The polygons (including the associated geometry, namely x, y co-ordinates) are subject to Crown copyright and database rights 2026 Ordnance Survey AC0000851063. Conditions of use.
Proposal
Relocate and replace door with window in front elevation, Replacement window in side elevation, Replacement doors in side and rear elevations, Infill extensions to the existing lobby, Alterations to roof of rear extension, Replace timber decking with patio to rear, Change of use of first floor office, ground floor of attached annex and detached outbuilding at front from Office (E(g)(i)) to Residential (C3) (revised description)
- Received
- 16 August 2025
- Council
- London Borough of Harrow
- Ward
- Pinner
- ReceivedReceived16 Aug
- ValidatedValidated
- Consult.Consultation
- TargetTarget Date
- DecidedDecided24 Nov
Decided in 100 days (council typically 56)
About this application
This is a full planning application for a rear extension at Manor Cottage, 18a Waxwell Lane, Pinner, Harrow, HA5 3EN. Harrow has handled 5,242 applications of this type. This one was decided in 100 days, 6 weeks longer than Harrow's typical decision time. The site is in a conservation area, with 6 listed buildings nearby. There are no previous applications recorded at this address. In the past year there have been 170 applications across Pinner. We hold 1,739 applications in total for the HA5 postcode area.
72% of full applications at London Borough of Harrow were approved. Across all application types, the council typically decides in about 8 weeks (median).
Based on decided applications received in the last 3 years.See what's approved near your address
Application details
- Postcode
- HA5 3EN
- Application type
- Full Planning Application
Planning application dates
- Validated
- 16 August 2025
Site constraints
Designations that overlap or adjoin the site outline.
- Conservation area: Pinner / Waxwell Lane
- Listed building: Grade II: Manor Cottage Manor House Waxwell CottageOn or next to this site · +1 more
- Brownfield land register: Waxwell Lane, car park, PinnerRegister site at or near this address
- Flood zone 1: Low probability (rivers and sea)
Not published by this council, so not checked: Article 4 directions. Ask the council if these matter.
Possibly incomplete for this council: tree preservation orders.
Also checked, none recorded (19)
flood storage areas, green belt, scheduled monuments, World Heritage Sites, World Heritage Site buffer zones, registered parks and gardens, registered battlefields, Heritage at Risk entries, nutrient neutrality catchments, national parks, National Landscapes, SSSIs, Special Areas of Conservation, Special Protection Areas, Ramsar sites, ancient woodland, national nature reserves, local nature reserves and heritage coasts.
A guide only, from official open data; it is not a planning search. Flood zones cover rivers and sea, not surface water.
Data © Crown copyright and others · sources and licences
Contains public sector information from planning.data.gov.uk (MHCLG and local planning authorities), licensed under the Open Government Licence v3.0. © Crown copyright and database right 2026.
© Historic England 2026. Contains Ordnance Survey data © Crown copyright and database right 2026. The Historic England GIS Data contained in this material was obtained on 2026-11-03. The most publicly available up to date Historic England GIS Data can be obtained from HistoricEngland.org.uk.
© Natural England copyright. Contains Ordnance Survey data © Crown copyright and database right 2026.
© Environment Agency copyright and/or database right 2026. All rights reserved. Flood Map for Planning, Open Government Licence v3.0.
Contains Ordnance Survey data © Crown copyright and database right 2026.
Source: Office for National Statistics licensed under the Open Government Licence v.3.0. Contains OS data © Crown copyright and database right 2026.
Planning history at this site
3 other applications at this property, newest first.
- 202610 Sep
Listed Building Consent: Remedial stabilisation works with corrective matching flint and concrete to existing…
ApprovedListed building consentPL/2359/26 - 202631 Aug
Details pursuant to conditions 4a (windows) and 4b (doors) attached to planning permission PL/2153/25
ApprovedDischarge of conditionsPL/2352/26 - 202518 Aug
Listed Building Consent: internal and external alterations including change of existing approved office use…
ApprovedListed building consentPL/2153/25
Source: Harrow
Contains public sector information from the Planning London Datahub, licensed under the Open Government Licence v3.0.
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Around this site
Nearby applications
- 42 Waxwell Lane, Pinner, Harrow, HA5 3ENPL/3102/25 · TreesApproved0.0 mi
- Waxwell Lane Car Park, Waxwell Lane, Pinner, Harrow, HA5 3ENPL/0492/26 · AmendmentAwaiting decision0.0 mi
- 36 Love Lane, Pinner, Harrow, HA5 3EXPL/0758/24 · FullApproved0.0 mi
- 4 Waxwell Lane, Pinner, Harrow, HA5 3ENPL/1122/25 · FullApproved0.0 mi
- 45 Waxwell Lane, Pinner, Harrow, HA5 3EJPL/0495/26 · FullApproved0.1 mi
For applicants and trades
Contractors near this project
Find contractors for extensions near this site- Lynford homesVerifiedBuckinghamshireNew Builds7.0 mi
- O C B (Electrical) LtdElectrician0.1 mi
- Pilot Building Services LtdCommercial & industrial electrical installations0.2 mi
- Planned Technical Services LtdElectrician0.2 mi
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