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PermittedPA25/4292Submitted 9 months agoRear extension

17 Defoe Avenue Richmond TW9 4DL

Construction of single storey extension to rear of building.

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Progress

Submitted
2 Dec 2025
— completed
Validated
2 Dec 2025
— completed
Consultation
—
— completed
Target date
27 Jan 2026
— completed
Decided
7 Jan 2026
— completed

Application details

Reference
PA25/4292
Local authority
Richmond
Postcode
TW9 4DL
Application type
All Other
Property type
House

Key dates

Submitted
2 Dec 2025
Validated
2 Dec 2025
Target decision
27 Jan 2026
Decided
7 Jan 2026

Estimated project value

£17k–£28k

Based on the 7.5m² 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: 7.5m²

Recently sold nearby

Nothing on this postcode has changed hands in the last two years. The sales below are for pricing rather than a lead.

Homes here go for about £1,092,625 — the median of the last 8 market sales in TW9 4DL, £700,000 to £1,345,000.

Contains HM Land Registry data © Crown copyright and database right 2024. 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