12C Alleyn Road London Borough of Southwark SE21 8AL
Construction of a rear extension, loft conversion, and the installation of a new window to side elevation, replacement windows and roof lights in rear extension
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Progress
Application details
- Reference
- 26/AP/1326
- Local authority
- Southwark
- Postcode
- SE21 8AL
- Ward
- DUWO
- Application type
- Householder
- Property type
- House
Key dates
- Submitted
- 8 May 2026
- Validated
- 8 May 2026
- Target decision
- 2 Jul 2026
- Decided
- 2 Jul 2026
Estimated project value
£65k–£135k
Based on the 40.0m² of floor area stated in the application, at inner London rates (2026). Source: Checkatrade 2026, loft conversion £1,200-£2,500/m².
Floor area gained: 40m²
Recently sold nearby
Inside the two years most owners do their major work — kitchens, bathrooms, rewires and lofts.
- 12C ALLEYN ROAD, LONDON, SE21 8ALFlat or maisonette · £1,965,00014 months ago30 Jun 2025
- 2C ALLEYN ROAD, LONDON, SE21 8ALTerraced · £980,0002 years ago9 Feb 2024
- 34 ALLEYN ROAD, LONDON, SE21 8ALDetached · £5,000,5123 years ago6 Feb 2023
- 24 ALLEYN ROAD, LONDON, SE21 8ALDetached · £5,600,0003 years ago14 Sept 2022
- 46 ALLEYN ROAD, LONDON, SE21 8ALDetached · £3,585,0007 years ago14 Aug 2019
- 44 ALLEYN ROAD, LONDON, SE21 8ALDetached · £3,250,0009 years ago30 Jun 2017
- 20 ALLEYN ROAD, LONDON, SE21 8ALDetached · £3,100,00010 years ago29 Jul 2016
- 2C ALLEYN ROAD, LONDON, SE21 8ALTerraced · £850,00010 years ago23 Mar 2016
Homes here go for about £3,175,000 — the median of the last 8 market sales in SE21 8AL, £850,000 to £5,600,000.
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.
Nearby applications
- 16 Alleyn Road Southwark SE21PermittedAdjoining
- 32 South Croxted Road London Borough of Southwark SE21 8BBPermitted73 yd
- 7 Alleyn Road London Borough of Southwark SE21 8ABPermitted75 yd
- 11 Alleyn Road London Borough of Southwark SE21 8ABPermitted75 yd
- 10 South Croxted Road London Borough of Southwark SE21 8BBWithdrawn77 yd
- 10 South Croxted Road London Borough of Southwark SE21 8BBPermitted77 yd