122 Ambergate Street London Southwark SE17 3SA
Approved on 2 June 2025
Council decision: Certificate of Lawfulness Prop- GRANTEDDelegated (officer decision)
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
Certificate of lawfulness (proposed) for replacement single storey rear extension with new roof lights. Also, a loft conversion, new dormer window and new roof lights.
- Received
- 28 April 2025
- Decision level
- Delegated (officer decision)
- Council
- London Borough of Southwark
- Ward
- Newington
- Agent
- HTC Architects
- ReceivedReceived28 Apr
- ValidatedValidated29 Apr
- Consult.Consultation
- TargetTarget Date23 Jun
- DecidedDecided2 Jun
Decided in 34 days (council typically 49)
About this application
This is an outline application for a single storey rear extension at 122 Ambergate Street London Southwark SE17 3SA. Southwark has handled 202 applications of this type. This one was decided in 35 days, 2 weeks quicker than Southwark's typical decision time. There are no previous applications recorded at this address. In the past year there have been 29 applications across Newington. We hold 400 applications in total for the SE17 postcode area.
94% of outline applications at London Borough of Southwark were approved. Across all application types, the council typically decides in about 7 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
- SE17 3SA
- Application type
- Certificate of Lawful Dev. - Proposed
- Scale / size
- Small
- Parish
- Borough, Bankside And Walworth
Planning application dates
- Date validated
- 29 April 2025
- Target decision date
- 23 June 2025
- Permission expires
- 2 June 2030
Applicant and agent
- Agent
- HTC Architects
- Agent address
- Unit 9, Shoreditch Town Hall 380 Old Street London EC1V 9LT United Kingdom
Planning decision
- Statutory period
- 55 days
Site constraints
Designations that overlap or adjoin the site outline.
- Flood zone 3: High probability (rivers and sea)Part of the site
Also checked, none recorded (24)
flood storage areas, conservation areas, listed buildings, Article 4 directions, tree preservation orders, 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.
Source: Southwark
Contains public sector information from the Planning London Datahub, licensed under the Open Government Licence v3.0.
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Around this site
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For applicants and trades
Contractors near this project
Find contractors for extensions near this site- Avent Roofing ServicesVerifiedWestminsterRoofing2.2 mi
- Atlas South Technical Service LimitedVerifiedLondonProperty MaintenanceHandyman2.9 mi
- Nova Coat & PlasterVerifiedStreatham, LondonRenovations & RefurbishmentsPlastering3.7 mi
- Orient Construction Consultancy LimitedVerifiedLondon4.2 mi
Planning something similar?
See what the council approved and refused for loft conversions and dormers on your street. Pick your home and get the evidence before you pay for drawings.