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PermittedPA25/2899Submitted over a year agoRear extension

Thompson Avenue Richmond Upon Thames TW9 4JN

A single-storey rear extension with a flat roof behind a parapet wall. The maximum height is measured to the apex of the lantern-style rooflight and the eaves height is measured to the top of the flat roof (excluding the parapet).

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Progress

Submitted
20 Aug 2025
— completed
Validated
20 Aug 2025
— completed
Consultation
— completed
Target date
1 Oct 2025
— completed
Decided
23 Sept 2025
— completed

Application details

Reference
PA25/2899
Local authority
Richmond
Postcode
TW9 4JN
Application type
Prior Approval
Property type
Flat

Key dates

Submitted
20 Aug 2025
Validated
20 Aug 2025
Target decision
1 Oct 2025
Decided
23 Sept 2025

Estimated project value

£38k–£69k

Typical UK cost for this job type, at outer London rates (2026). Estimated from the proposal description — planning applications do not state build cost. Source: MyJobQuote / Checkatrade 2026, ~20m² at £1,800-£3,000/m².

Recently sold nearby

Inside the two years most owners do their major work — kitchens, bathrooms, rewires and lofts. 3 recent sales are listed below.

Homes here go for about £850,000 — the median of the last 8 market sales in TW9 4JN, £580,000 to £1,005,000.

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.

Nearby applications