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Permitted24/3166/HOTSubmitted over a year agoBasement

146 Castelnau Richmond upon Thames SW13 9ET

Extension of basement incorporating front and rear lightwells.

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Progress

Submitted
17 Dec 2024
— completed
Validated
17 Dec 2024
— completed
Consultation
3 Jan 2025
— completed
Target date
11 Feb 2025
— completed
Decided
27 Jan 2025
— completed

Application details

Reference
24/3166/HOT
Local authority
Richmond
Postcode
SW13 9ET
Ward
BRN
Application type
Householder
Property type
House

Key dates

Submitted
17 Dec 2024
Validated
17 Dec 2024
Comments close
3 Jan 2025
Target decision
11 Feb 2025
Decided
27 Jan 2025

Estimated project value

£580k–£870k

Based on the 107m² of floor area stated in the application, at inner London rates (2026). Source: trade estimate, basement £4,000-£6,000/m².

Floor area gained: 107.3

Recently sold nearby

Inside the two years most owners do their major work — kitchens, bathrooms, rewires and lofts.

Homes here go for about £2,316,500 — the median of the last 7 market sales in SW13 9ET, £535,000 to £4,051,500.

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.

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