The Glass House 11-12 Lettice Street, London, SW6 4EH Data via plota.co.uk
Proposal
External alterations to include; installation of 6no. rooflights in the rear roofslope and 2no. rooflights in the side roofslope; installation of 2no. air conditioning condenser units, and a like-for-like replacement of an existing timber framed window to the rear elevation at first floor level; internal alterations to include; creation of a mezzanine floor at second floor, reconfiguration of the existing floorspace at first floor level, incorporating the lowering of an existing mezzanine at first floor level and the addition of new internal stairs and walkways, including glazed partitions and screening, works to the existing roof structure to facilitate a thermal upgrade; associated internal and external alterations. Data via plota.co.uk
Application progress
Under consideration
No decision has been issued yet. Plota predicts a decision between 18 Nov 2026 and 7 Dec 2026, from Hammersmith and Fulham's recent extensions.
Documents 11
Statements & assessments 2
Plans & drawings 4
Application forms 2
Site constraints 6
Checked on 6 October 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 £1,230,000 in March 2025. Other property, freehold.
Sale prices from HM Land Registry's price paid record, matched to this application by its address.
Every application in Hammersmith and Fulham - and every UK council - as a live feed, an API, or a bulk CSV export.
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Important details
- Council
- Hammersmith and Fulham
- Application type
- Listed Building Consent
- Postcode
- SW6 4EH
- Received
- 11 Sept 2026
- Validated
- 14 Sept 2026
- Ward
- Fulham Town
- Case officer
- Show
- Applicant
- Show
- Agent
- Show
- Freehold owner
- Show
Decision outlook
Day 45 of the 56-day target. Hammersmith and Fulham usually decides extensions by day 75.
Plota live figures for extensions decided by Hammersmith and Fulham in the last twelve months, from validation. Hammersmith and Fulham decision record →
Consultation & key dates
- Consultation
- 29 Sept 2026
- Comments by
- 28 Oct 2026
- Site or press notice
- 7 Oct 2026
- Statutory expiry
- 9 Nov 2026
Historical activity at this location
25 nearby applications on record - archival context, not part of the live application.
Nearby activity
Hammersmith and Fulham is one of the slowest councils in England for householder decisions, ranking #281 out of 296. The council extends the time limit on 63% of applications - one of the highest rates in England. Expect your application to take longer than the standard deadline. Householder applications are more likely to be approved here than most councils, with a 99% approval rate 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 owner: 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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The Glass House 11-12 Lettice Street, London, SW6 4EH
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Freehold owner, on paid plans
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Comments are open until 28 Oct 2026