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Permitted23/00024/FULSubmitted 3 years agoRear extension

475 Blackfen Road London Borough of Bexley DA15 9NP

Extension at third floor level to increase the size of Flat 6.

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Progress

Submitted
6 Jan 2023
— completed
Validated
6 Jan 2023
— completed
Consultation
25 Jan 2023
— completed
Target date
3 Mar 2023
— completed
Decided
4 May 2023
— completed

Application details

Reference
23/00024/FUL
Local authority
Bexley
Postcode
DA15 9NP
Ward
BLENPE
Application type
All Other
Property type
Flat

Key dates

Submitted
6 Jan 2023
Validated
6 Jan 2023
Comments close
25 Jan 2023
Target decision
3 Mar 2023
Decided
4 May 2023

Estimated project value

£105k–£170k

Based on the 45.6m² 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: 45.6m²

Recently sold nearby

New owners, recently moved in. First work on a house usually follows within months of completing. 2 recent sales are listed below.

Homes here go for about £480,000 — the median of the last 5 market sales in DA15 9NP, £428,000 to £764,000.

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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