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PermittedPA25/2780Submitted over a year agoRear extension

St James's Avenue Richmond Upon Thames TW12 1HN

Part demolition and conversion of the existing conservatory to retain the party wall, lower masonry rear walls, replacement of roof and new single-storey rear side extension.

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Progress

Submitted
20 Aug 2025
— completed
Validated
20 Aug 2025
— completed
Consultation
25 Sept 2025
— completed
Target date
15 Oct 2025
— completed
Decided
13 Oct 2025
— completed

Application details

Reference
PA25/2780
Local authority
Richmond
Postcode
TW12 1HN
Application type
Householder
Property type
House

Key dates

Submitted
20 Aug 2025
Validated
20 Aug 2025
Comments close
25 Sept 2025
Target decision
15 Oct 2025
Decided
13 Oct 2025

Estimated project value

£22k–£36k

Based on the 9.5m² 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: 9.5m²

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 £1,161,250 — the median of the last 8 market sales in TW12 1HN, £850,000 to £2,425,000.

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.

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