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Permitted25/00617/FULSubmitted over a year agoRear extension

338 Blackfen Road London Borough of Bexley DA15 9NY

Erection of a single storey rear extension.

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Progress

Submitted
24 Mar 2025
— completed
Validated
24 Mar 2025
— completed
Consultation
10 Apr 2025
— completed
Target date
19 May 2025
— completed
Decided
19 May 2025
— completed

Application details

Reference
25/00617/FUL
Local authority
Bexley
Postcode
DA15 9NY
Ward
BLENPE
Application type
All Other
Property type
House

Key dates

Submitted
24 Mar 2025
Validated
24 Mar 2025
Comments close
10 Apr 2025
Target decision
19 May 2025
Decided
19 May 2025

Estimated project value

£36k–£60k

Based on the 15.9m² of floor area stated in the application, at outer London rates (2026). Source: FMB / Checkatrade 2026, single-storey extension £1,800-£3,000/m².

Floor area gained: 15.95m²

Recently sold nearby

New owners, recently moved in. First work on a house usually follows within months of completing. 6 recent sales are listed below.

Homes here go for about £375,000 — the median of the last 7 market sales in DA15 9NY, £339,700 to £500,000.

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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