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PermittedPA25/2325Submitted over a year agoBasement

Onslow Avenue Richmond Upon Thames TW10 6QB

Creation of new basement with front lightwell, internal remodeling and refurbishment with new sliding doors to rear, new flat roof light at ground floor and conservation roof light to rear roof slope.

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Progress

Submitted
7 Jul 2025
— completed
Validated
7 Jul 2025
— completed
Consultation
7 Aug 2025
— completed
Target date
1 Sept 2025
— completed
Decided
18 Aug 2025
— completed

Application details

Reference
PA25/2325
Local authority
Richmond
Postcode
TW10 6QB
Application type
Householder
Property type
Flat

Key dates

Submitted
7 Jul 2025
Validated
7 Jul 2025
Comments close
7 Aug 2025
Target decision
1 Sept 2025
Decided
18 Aug 2025

Estimated project value

£530k–£795k

Based on the 106m² of floor area stated in the application, at outer London rates (2026). Source: trade estimate, basement £4,000-£6,000/m².

Floor area gained: 106.2

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 £2,300,000 — the median of the last 7 market sales in TW10 6QB, £1,250,000 to £3,450,000.

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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