Skip to content

18 Blackheath Park, London, SE3 9RP

26/0187/LListed building consentApproved

Approved on 17 March 2026

5 conditions

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

Construction of a single storey side extension and two storey infill extension and associated fenestration; part re-configuration of the lower ground floor and extensions under part of the existing footprint as well as the part re-configuration of the second floor; conversion of the coach house into ancillary living accommodation, including a new roof and associated fenestration; refurbishment works to external facade and the existing windows, including the provision of a roof to match existing over the main body of the house; formation of a sunken terrace to the rear and associated landscaping; other associated alterations. (This application affects the Grade II listed No. 18 Blackheath Park in the Blackheath Park Conservation Area)

Submitted
20 January 2026
  1. Received20 Jan
  2. Validated
  3. Consult.
  4. Target
  5. Decided17 Mar

Decided in 56 days (council typically 56)

About this application

This is a listed building consent application for a single storey side extension at 18 BLACKHEATH PARK, LONDON, SE3 9RP. Greenwich has handled 39 applications of this type. This one was decided in 56 days. The site is in a conservation area, with 8 listed buildings nearby. There have been 3 other applications at this address. In the past year there have been 300 applications across BLACKHEATH WESTCOMBE. We hold 1,346 applications in total for the SE3 postcode area.

89% of listed building consent applications at Royal Borough of Greenwich 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

Application details

Postcode
SE3 9RP
Application type
Listed building consent

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

Designations that overlap or adjoin the site outline.

Not published by this council, so not checked: Article 4 directions and tree preservation orders. Ask the council if these matter.

Also checked, none recorded (20)

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, 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. 2026
    20 Jan

    An application submitted under Section 73 of the Town & Country Planning Act 1990 for a minor material…

    ApprovedVariation of conditions (s73)Filed alongside25/4064/MA
  2. 2026
    20 Jan

    Construction of a single storey side extension and two storey infill extension and associated fenestration…

    This applicationApprovedListed building consent26/0187/L

Source: Greenwich

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

Track this application

Get email alerts when there is a planning decision or status change.

Get email alerts near SE3

New planning applications delivered to your inbox daily.

Around this site

Discuss this application on r/PlanningPermissionUK

For applicants and trades

Planning something similar?

See what the council approved and refused for basements on your street. Pick your home and get the evidence before you pay for drawings.

See what gets approved on your streetBuying this property? Report on this address