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67 Coniston Road, Bromley, BR1 4JG

DC/25/141578Prior Approval: Larger Home ExtensionRefused
Prior approval

Refused on 29 October 2025

3 reasons for refusal

Approximate site (title boundary)
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

Application for Prior Approval under Schedule 2, Part 1, Class A, Part (g) of the Town and Country Planning (General Permitted Development) Order 2015 (as amended) for the construction of a single storey rear extension at a depth of 6m, an eaves height of 2.99m and a maximum height of 3.82m to 67 Coniston Road BR1.

Submitted
26 September 2025
  1. Received26 Sep
  2. Validated
  3. Consult.
  4. Target
  5. Decided29 Oct

Decided in 33 days (council typically 56)

About this application

This is a planning application for a single storey rear extension at 67 CONISTON ROAD, BROMLEY, BR1 4JG. Lewisham has handled 67 applications of this type. This one was decided in 33 days, 3 weeks quicker than Lewisham's typical decision time. The site is in a conservation area. There have been 3 other applications at this address. In the past year there have been 69 applications across Downham. We hold 2,801 applications in total for the BR1 postcode area.

26% of prior approval: larger home extension applications at London Borough of Lewisham 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.Planning something similar? See what gets approved on your street

Why it was refused

  1. The proposal fails to comply with the limitations of Class A of Part 1, Schedule 2 of the Town and Country Planning (General Permitted Development) (England) Order 2015 (as amended). The enlarged part of the dwellinghouse have a maximum height of 4.1m, contrary to the limitation set out in paragraph A.1(g.ii). The application form states the maximum height to be 3.84m, but plan measurements indicate a height of 4.1m when including the proposed rooflight. This inconsistency is contrary to paragraphs A4.(2) (iii) and A4 (3). As such, the developer has not provided sufficient information to establish compliance with Class A of Part 1, Schedule 2 of the Town and Country Planning (General Permitted Development) (England) Order 2015 (as amended).
  2. The proposal fails to comply with the limitations of Class A of Part 1, Schedule 2 of the Town and Country Planning (General Permitted Development) (England) Order 2015 (as amended). The enlarged part of the dwellinghouse would be located on the boundary of the curtilage and would have an eaves height 3.15m, contrary to the limitation set out in paragraph A.1(i). The application form states the eaves height to be 2.99m, but plan measurements indicate an eaves height of 3m. This inconsistency is contrary to paragraphs A4.(2)(iii) and A4(3). As such, the developer has not provided sufficient information to establish compliance with Class A of Part 1, Schedule 2 of the Town and Country Planning (General Permitted Development) (England) Order 2015 (as amended).
  3. The lack of complete and accurate drawings prevents a full assessment of the impact and compliance of the proposed extension and, as such, the application is refused on the grounds of insufficient information in accordance with Paragraph A.4-(3) of Class A of Part 1, Schedule 2 of the Town and Country Planning (General Permitted Development) (England) Order 2015 (as amended).

From the council's decision notice.

Application details

Postcode
BR1 4JG
Application type
Prior Approval: Larger Home Extension

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

Designations that overlap or adjoin the site outline.

  • Article 4 direction: Small Houses in Multiple Occupation Article 4
  • Flood zone 1: Low probability (rivers and sea)

Possibly incomplete for this council: tree preservation orders.

Also checked, none recorded (22)

flood storage areas, conservation areas, listed buildings, 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, heritage coasts and brownfield registers.

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.

Associated applications

  1. 2025
    26 Sep

    Application for Prior Approval under Schedule 2, Part 1, Class A, Part (g) of the Town and Country Planning…

    This applicationRefusedPrior Approval: Larger Home ExtensionDC/25/141578
  2. 2025
    26 Sep

    The construction of a rear dormer loft extension, together with the installation of front and side…

    ApprovedHouseholderFiled alongsideDC/25/141580

Source: Lewisham

Contains public sector information from the Planning London Datahub, licensed under the Open Government Licence v3.0.

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