Townshend Terrace Richmond Upon Thames TW9 1XL
This application seeks planning permission for the construction of a single-storey side infill extension, including the demolition of existing outbuildings and the alteration of the existing rear extension. The proposed side infill extension has been carefully designed to respect the site constraints, with the roof height limited to 2.2m along the side boundary. The roof adopts a mono-pitch form, rising to a flat roof with a maximum height of 2.94m, including parapet walls. The extension is intended to integrate seamlessly with the existing rear addition. As part of the proposals, the existing single-storey rear extension will be demolished and reconstructed on the same footprint, with an increased height of 2.94m to align with the new extension and create a consistent roofline. The application also includes a first-floor side extension measuring approximately 2.6m in depth and 1.4m in width, providing additional internal space to accommodate a second bathroom. This extension is set back from the original rear wall of the dwelling and features a roof set below the main roof ridge, ensuring that it remains subordinate to the host property. The design reflects and continues the existing built form along the side of the house while maintaining the overall hierarchy of the original dwelling. This application also includes the replacement of the existing concrete roof tiles with fibre cement roof tiles.
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Progress
Application details
- Reference
- PA26/1547
- Local authority
- Richmond
- Postcode
- TW9 1XL
- Application type
- Householder
- Property type
- Flat
Key dates
- Submitted
- 12 May 2026
- Validated
- 12 May 2026
- Comments close
- 12 Jun 2026
- Target decision
- 7 Jul 2026
Estimated project value
£51k–£85k
Based on the 22.6m² 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: 22.6m²
Recently sold nearby
Inside the two years most owners do their major work — kitchens, bathrooms, rewires and lofts. 2 recent sales are listed below.
- 8 TOWNSHEND TERRACE, RICHMOND, TW9 1XLSemi-detached · £1,350,00011 months ago7 Oct 2025
- 30 TOWNSHEND TERRACE, RICHMOND, TW9 1XLSemi-detached · £1,625,00011 months ago12 Sept 2025
- 26 TOWNSHEND TERRACE, RICHMOND, TW9 1XLSemi-detached · £1,599,0002 years ago14 Jun 2024
- 4 TOWNSHEND TERRACE, RICHMOND, TW9 1XLSemi-detached · £1,250,0002 years ago9 Feb 2024
- 28 TOWNSHEND TERRACE, RICHMOND, TW9 1XLOther · Not a standard market sale · £1,475,0003 years ago19 Oct 2022
- 6 TOWNSHEND TERRACE, RICHMOND, TW9 1XLTerraced · £1,190,0004 years ago14 Apr 2022
- 26 TOWNSHEND TERRACE, RICHMOND, TW9 1XLSemi-detached · £1,500,0005 years ago28 May 2021
- 46 TOWNSHEND TERRACE, RICHMOND, TW9 1XLSemi-detached · £1,102,0005 years ago23 Apr 2021
Homes here go for about £1,350,000 — the median of the last 7 market sales in TW9 1XL, £1,102,000 to £1,625,000.
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.
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