23, Spencer House, Sheen Road, Richmond, TW9 1BN Data via plota.co.uk
Proposal
Erection of a single storey rooftop extension to the rear wing of an existing Class E office building, providing approximately 232.8m² GIA of additional floorspace, an associated external roof terrace and replacement plant enclosure, following demolition of an existing unauthorised plant enclosure; raising the rear wing from three to four storeys, subservient to the existing five-storey principal building. Data via plota.co.uk
Application progress
Under consideration
No decision has been issued yet. Plota predicts a decision between 16 Dec 2026 and 24 Dec 2026, from Richmond upon Thames's recent extensions.
Site constraints 8
Show all 16 with distances
- 44 m21, Sheen RoadGrade II
- 48 m17, Sheen RoadGrade II
- 56 mHogarth HouseGrade II
- 57 m11, 13 and 15, Sheen RoadGrade II
- 64 m1-211 Lichfield Court and 1-17 Lichfield TerraceGrade II
- 66 m9, Sheen RoadGrade II
- 74 m7, Sheen RoadGrade II
- 79 m3 and 5, Sheen RoadGrade II
- 82 mThe Clock TowerGrade II
- 112 mDome BuildingsGrade II
- 120 m1-12, Waterloo PlaceGrade II
- 130 mSpring TerraceGrade II
- 131 mIron Railings on West Side of Passage Along Tops of Tomb Slabs From Rear of 26 Halford Road to Rear of Petty Sessions Court Also Including Vaults BelowGrade II
- 139 m3 and 4, Church WalkGrade II
- 140 mMonument to Thomas and Mary CundyGrade II
- 146 mSpring TerraceGrade II
Checked on 2 November 2026. Historic England, the Environment Agency, Natural England, the Planning Inspectorate, Transport for London (public transport access levels, Powered by TfL Open Data, OGL v3.0, contains OS data © Crown copyright and database right 2025) and council datasets, Open Government Licence. A boundary can run through a site and the council holds the definitive record: confirm with the council before relying on this.
Sales history 1
Last sold for £18,667,345 in January 2020. Other property, freehold.
Sale prices from HM Land Registry's price paid record, matched to this application by its address.
Building
From the energy performance certificate lodged in February 2023, the latest held for this property. The building may have changed since. View the certificate
Every application in Richmond upon Thames - and every UK council - as a live feed, an API, or a bulk CSV export.
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Important details
- Council
- Richmond upon Thames
- Application type
- Full Application
- Postcode
- TW9 1BN
- Received
- 30 Oct 2026
- Validated
- 2 Nov 2026
- Ward
- South Richmond Ward [STR]
- Case officer
- Show
- Target decision
- 25 Dec 2026
- Applicant
- Show
- Agent
- Wimshurst Pelleriti
- Freehold owner
- Show
Decision outlook
Day 9 of the 56-day target. Richmond upon Thames usually decides extensions by day 49.
Plota live figures for extensions decided by Richmond upon Thames in the last twelve months, from validation. Richmond upon Thames decision record →
Consultation & key dates
- Alt. reference
- PP-15335787
- Comments by
- 4 Dec 2026
- Site or press notice
- 13 Nov 2026
- Statutory expiry
- 4 Dec 2026
Historical activity at this location
25 nearby applications on record - archival context, not part of the live application.
Nearby activity
Richmond upon Thames ranks #130 out of 296 councils for householder decision speed. Richmond upon Thames is also one of the strictest councils - it refuses more householder applications than almost any other, with only 82% approved vs 90% nationally.
Sale prices: Contains HM Land Registry data © Crown copyright and database right 2026. This data is licensed under the Open Government Licence v3.0.
Freehold boundary: © Crown copyright and database rights 2026, HM Land Registry. Polygons © Crown copyright and database rights 2026 Ordnance Survey 100026316. Conditions of use
Energy performance: Energy performance certificates from the Energy Performance of Buildings Register, Ministry of Housing, Communities and Local Government. Contains public sector information licensed under the Open Government Licence v3.0. © Crown copyright 2026.
Freehold owner and leaseholders: Information produced by HM Land Registry. © Crown copyright 2026. Source: HM Land Registry, UK and overseas companies that own property in England and Wales, September 2026 release.
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23, Spencer House, Sheen Road, Richmond, TW9 1BN
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Freehold owner and leaseholders, on paid plans
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Comments are open until 4 Dec 2026