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Permitted24/AP/3710Submitted over a year agoRear extension

18 Dekker Road London Borough of Southwark SE21 7DL

Construction of a single storey rear extension

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Progress

Submitted
18 Dec 2024
— completed
Validated
18 Dec 2024
— completed
Consultation
—
— completed
Target date
11 Feb 2025
— completed
Decided
10 Feb 2025
— completed

Application details

Reference
24/AP/3710
Local authority
Southwark
Postcode
SE21 7DL
Ward
DUVI
Application type
All Other
Property type
House

Key dates

Submitted
18 Dec 2024
Validated
18 Dec 2024
Target decision
11 Feb 2025
Decided
10 Feb 2025

Estimated project value

£18k–£29k

Based on the 7.2m² 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: 7.2m²

Recently sold nearby

New owners, recently moved in. First work on a house usually follows within months of completing. 8 recent sales are listed below.

Homes here go for about £535,000 — the median of the last 7 market sales in SE21 (the wider postcode district), £327,500 to £750,000.

Contains HM Land Registry data © Crown copyright and database right 2026. 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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