22 Hallgate, Blackheath Park, Blackheath, London, SE3 9SG
Proposal
An application submitted under Section 96a of the Town & Country Planning Act 1990 for a non-material amendment in connection with the Planning Permission dated 12/12/2023, Planning Ref 23/3443/HD for the replacement of existing single glazing externally with ultra slim double glazing within existing timber frames, to allow: - Revision to spacing of ultra slim double glazing configuration to 04mm/04mm/04mm from permission already granted of 04mm/12mm/04mm.
- Received
- 5 September 2025
- Decided
- 30 December 2025
- Council
- Royal Borough of Greenwich
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.
- ReceivedSubmitted5 Sep
- ValidatedValidated
- Consult.Consultation
- TargetTarget Date
- DecidedDecided30 Dec
Decided in 116 days (council typically 56)
This is a planning application for window replacement at 22 HALLGATE, BLACKHEATH PARK, BLACKHEATH, LONDON, SE3 9SG. Greenwich has handled 72 applications of this type and approves 93% of them, typically deciding them in 45 days. This one was decided in 116 days, 10 weeks longer than Greenwich's median. The site is in a conservation area, with 5 listed buildings nearby. There have been 2 other applications at this address. In the past year there have been 290 applications across BLACKHEATH WESTCOMBE. We hold 1,297 applications in total for the SE3 postcode area.
Application Details
Applicant & Agent
Planning Application Dates
Planning Decision
Publicity
Appeal
Additional Information
Source: Greenwich
Contains public sector information from the Planning London Datahub, licensed under the Open Government Licence v3.0.
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Associated applications
- 20255 Sep
An application submitted under Section 96a of the Town & Country Planning Act 1990 for a non-material…
This applicationApprovedNon-material amendment25/0444/NM - 202318 Oct
Replacement of existing single glazing externally with ultra slim double glazing within existing timber…
ApprovedHouseholderPart of23/3443/HD
Planning history at this site
1 other application at this property, newest first.
Planning constraints
Designations that overlap or adjoin the site outline.
- Conservation area: Blackheath
- Flood zone 1: Low probability (rivers and sea)
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 2026-10-09. 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.
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