Track the latest renovation and development activity in Chelsea. We monitor planning applications across RBKC to help you understand what's possible on your street.
| Address | Project Type | Status | Date | Description |
|---|---|---|---|---|
| 38 Paultons Square, SW3 | Loft Conversion | Approved | 16 Mar 2026 | Hip-to-gable loft conversion with new dormer to rear elevation |
| 16 Glebe Place, SW3 | Full Refurbishment | Approved | 16 Mar 2026 | Full renovation of period property including restoration of original features |
| 40 The Vale, SW3 | Listed Building Consent | Pending | 15 Mar 2026 | Installation of discreet secondary glazing to all windows of listed building |
| 54 Markham Square, SW3 | Garden Room | Approved | 27 Feb 2026 | New garden studio with green roof for home working |
| 19 Tite Street, SW3 | Loft Conversion | Approved | 15 Feb 2026 | Full dormer loft conversion creating master bedroom suite with walk-in wardrobe |
| 57 Paultons Square, SW3 | Basement Conversion | Pending | 14 Jan 2026 | Full basement dig-out creating cinema room, gym and utility space |
| 31 Glebe Place, SW3 | Rear Extension | Approved | 11 Jan 2026 | Part single, part two-storey rear extension with new kitchen-diner |
| 26 Tite Street, SW3 | Full Refurbishment | Under Review | 4 Jan 2026 | Comprehensive refurbishment retaining period details with contemporary additions |
| 20 Markham Square, SW3 | Full Refurbishment | Approved | 3 Jan 2026 | Full renovation of period property including restoration of original features |
| 9 Lawrence Street, SW3 | Loft Conversion | Under Review | 2 Dec 2025 | Hip-to-gable loft conversion with new dormer to rear elevation |
| 11 Mallord Street, SW3 | Full Refurbishment | Pending | 1 Dec 2025 | Internal reconfiguration and modernisation of all floors with new kitchen and bathrooms |
| 55 Old Church Street, SW3 | Basement Conversion | Approved | 24 Oct 2025 | Single-storey basement extension with front and rear lightwells |
| 57 The Vale, SW3 | New Build | Approved | 20 Oct 2025 | Erection of new three-storey detached dwelling with integral garage |
| 51 Paultons Square, SW3 | Side Return Extension | Pending | 25 Sep 2025 | Side return and rear extension creating open-plan kitchen-dining space |
| 27 Mallord Street, SW3 | Change of Use | Approved | 10 Aug 2025 | Change of use from office to two residential apartments |
| 39 Carlyle Square, SW3 | Basement Conversion | Approved | 20 Jul 2025 | Conversion of existing cellar to habitable accommodation with new lightwell |
| 9 Tite Street, SW3 | Roof Terrace | Approved | 19 Jul 2025 | Formation of roof terrace at rear second floor level with glass balustrade |
| 43 Tite Street, SW3 | Rear Extension | Approved | 28 May 2025 | Single-storey rear extension under permitted development rights |
| 9 Old Church Street, SW3 | Roof Terrace | Pending | 15 Apr 2025 | Formation of roof terrace at rear second floor level with glass balustrade |
Chelsea has seen strong renovation activity over the past twelve months, with full refurbishments accounting for 21% of all planning applications. Loft Conversions follow at 16%, with basement conversions making up a further 16% of submissions. This pattern reflects the character of Chelsea's housing stock and the aspirations of homeowners in the SW3 postcode.
As a designated conservation area, Chelsea requires all external alterations to be sympathetically designed and built using appropriate materials. Planning officers at RBKC Council pay close attention to proposals that affect the streetscape, particularly along prominent roads such as Cheyne Walk and The Vale. Despite these additional requirements, our data shows a 63% approval rate for applications in the area — evidence that well-prepared submissions continue to succeed.
The most active streets for development in Chelsea include Cheyne Walk, The Vale, Carlyle Square, where homeowners are investing in both extending and upgrading their properties. Basement conversions remain particularly popular among larger detached and semi-detached properties, often incorporating lightwells, cinemas, and additional living space beneath existing footprints.
Properties in Chelsea (SW3) typically range from period terraces to substantial detached homes. Whether you are considering a straightforward loft conversion or a comprehensive basement dig, early engagement with RBKC Council's planning department — and appointing an architect familiar with local policy — will significantly improve your chances of a smooth approval. Our team maintains an outstanding track record across the SW3 postcode.
RBKC Council manages planning applications across Chelsea and the wider borough. As a conservation area, Chelsea is subject to additional planning controls. Permitted development rights may be restricted under Article 4 directions, meaning proposals that would normally not require planning permission may need a formal application.
For advice on what you can build in Chelsea, see our Planning & Permissions guide. You can also review our planning track record to see our approval rates across London boroughs.
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