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Permitted25/02810/FULSubmitted over a year agoRear extension

10 Halsmere Road London Borough of Lambeth SE5 9LN

Removal of the existing external staircase and erection of a three-storey rear extension to accommodate an internal stair and lift core. Alterations to the rear elevation, including changes to fenestration, removal of chimney stacks and lift overrun to roof. Repositioning of existing rear-facing windows at the top floor. Replacement of the existing front door and installation of an air source heat pump with an associated acoustic enclosure.

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Progress

Submitted
5 Sept 2025
— completed
Validated
5 Sept 2025
— completed
Consultation
8 Oct 2025
— completed
Target date
31 Oct 2025
— completed
Decided
29 Oct 2025
— completed

Application details

Reference
25/02810/FUL
Local authority
Lambeth
Postcode
SE5 9LN
Ward
MYATTS
Application type
All Other
Property type
House

Key dates

Submitted
5 Sept 2025
Validated
5 Sept 2025
Comments close
8 Oct 2025
Target decision
31 Oct 2025
Decided
29 Oct 2025

Estimated project value

£195k–£330k

Based on the 81.0m² of floor area stated in the application, at inner London rates (2026). Source: FMB / Checkatrade 2026, single-storey extension £1,800-£3,000/m².

Floor area gained: 81

Recently sold nearby

Inside the two years most owners do their major work — kitchens, bathrooms, rewires and lofts. 3 recent sales are listed below.

Homes here go for about £850,000 — the median of the last 6 market sales in SE5 9LN, £338,230 to £1,163,000.

Contains HM Land Registry data © Crown copyright and database right 2025. This data is licensed under the Open Government Licence v3.0. Sales are matched by postcode, not by property, so a sale listed here may be a neighbouring address. England and Wales only.

Planning constraints

No designations recorded at this location. This is not a formal search — always confirm with the local authority before relying on it.

Designations from planning.data.gov.uk, Open Government Licence v3.0. Indicative only — not a formal local authority search.

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