Track the latest renovation and development activity in Holborn. We monitor planning applications across Camden to help you understand what's possible on your street.
| Address | Project Type | Status | Date | Description |
|---|---|---|---|---|
| 68 Rugby Street, WC1 | Mansard Extension | Pending | 27 Mar 2026 | Construction of rear mansard roof extension to create additional floor |
| 66 Great Turnstile, WC1 | Rear Extension | Approved | 24 Mar 2026 | Full-width single-storey rear extension with roof lantern |
| 57 Lincoln's Inn Fields, WC1 | Rear Extension | Approved | 7 Mar 2026 | Full-width single-storey rear extension with roof lantern |
| 74 Doughty Mews, WC1 | Listed Building Consent | Approved | 23 Feb 2026 | Internal and external alterations to Grade II listed building for new kitchen and bathroom |
| 61 Old Square, WC1 | Change of Use | Approved | 20 Jan 2026 | Change of use from B1 office to C3 residential with external alterations |
| 64 Old Square, WC1 | Basement Conversion | Approved | 2 Jan 2026 | Full basement dig-out creating cinema room, gym and utility space |
| 46 Doughty Mews, WC1 | Mansard Extension | Approved | 24 Dec 2025 | Rear mansard roof extension in natural slate with lead cheeks |
| 14 Jockey's Fields, WC1 | New Build | Approved | 8 Sep 2025 | New two-storey dwelling on infill plot with landscaped garden |
| 39 Rugby Street, WC1 | Mansard Extension | Approved | 16 Aug 2025 | Rear mansard roof extension in natural slate with lead cheeks |
| 21 Rugby Street, WC1 | Change of Use | Approved | 14 Jul 2025 | Change of use from office to two residential apartments |
| 5 Doughty Mews, WC1 | Change of Use | Under Review | 14 Jul 2025 | Change of use from office to two residential apartments |
| 53 Brownlow Street, WC1 | Roof Terrace | Approved | 17 Jun 2025 | Formation of roof terrace at rear second floor level with glass balustrade |
| 44 John Street, WC1 | Listed Building Consent | Approved | 15 Apr 2025 | Installation of discreet secondary glazing to all windows of listed building |
Holborn has seen strong renovation activity over the past twelve months, with mansard extensions accounting for 23% of all planning applications. Change of Uses follow at 23%, with rear extensions making up a further 15% of submissions. This pattern reflects the character of Holborn's housing stock and the aspirations of homeowners in the WC1 postcode.
As a designated conservation area, Holborn requires all external alterations to be sympathetically designed and built using appropriate materials. Planning officers at Camden Council pay close attention to proposals that affect the streetscape, particularly along prominent roads such as Lincoln's Inn Fields and Old Square. Despite these additional requirements, our data shows a 85% approval rate for applications in the area — evidence that well-prepared submissions continue to succeed.
The most active streets for development in Holborn include Lincoln's Inn Fields, Old Square, Red Lion Square, where homeowners are investing in both extending and upgrading their properties. Full refurbishments and change-of-use applications reflect the mixed residential and commercial character of the area, with many conversions creating high-specification apartments.
Properties in Holborn (WC1) 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 Camden 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 WC1 postcode.
Camden Council manages planning applications across Holborn and the wider borough. As a conservation area, Holborn 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 Holborn, see our Planning & Permissions guide. You can also review our planning track record to see our approval rates across London boroughs.
Find out what's possible for your property with our free planning assessment.
Check Your PropertyExplore street-by-street renovation data and property insights.
Explore Streets