Solar panels in Kensington and Chelsea: listed buildings, mansion blocks and conservation areas

A borough where most roofs sit in a conservation area

Kensington and Chelsea has 38 conservation areas, and together they cover nearly three quarters of the borough. They include Queen's Gate, Pembridge, Holland Park, Cheyne, and Edward Square, Scarsdale and Abingdon. So for most homes here, the first question is what the designations allow, not whether panels will fit.

Under the national rules, the restriction in a conservation area applies to panels on a wall fronting a highway, not to a roof slope. Panels on a pitched roof, including a front roof slope, are normally permitted development as long as they sit no more than 0.2 m proud of the roof and below the ridge. Since 27 August 2026, a flat roof in a conservation area needs a short prior approval application to the council first. Our guide to planning permission for solar panels in London explains each route in more detail.

Listed homes and the council's solar consent order

The borough has around 4,000 listed buildings. Listed buildings normally need planning permission and listed building consent for solar. In Kensington and Chelsea, however, the council has made a Local Listed Building Consent Order for solar panels. It covers Grade II and most Grade II* buildings, so in many cases a separate consent application is not needed. The conditions matter:

• Panels must go on a roof, and not on any roof slope facing a highway. Valley roofs, rear slopes and suitable flat roofs are the likely candidates.

• Panels may stand no more than 0.2 m proud of the roof and no higher than its highest point.

• Details of position, fixings, colour and associated equipment must be approved in writing by the council before work starts.

Grade I buildings, churches in use for worship, curtilage-listed structures and six named Grade II* buildings are excluded. The order runs until 17 May 2027, so check its status before relying on it.

Article 4 directions and re-roofing

The council lists dozens of street-specific Article 4 directions in its conservation areas. Its summary says they control small external changes such as windows, front doors, boundary walls and roof coverings, often to front elevations. Most were made before householders had permitted development rights for solar. The most recent residential one, made in 2012 for streets around Norland Square, Royal Crescent and Portland Road, covers extensions, outbuildings, hard surfaces, front boundaries and painting, not solar. We still check the direction for your street before we quote. Where roof coverings are controlled, replacing a roof before solar may need permission even when the panels themselves do not.

Mansion blocks and other flats

Mansion blocks are a familiar part of the borough. The council has published a residents' retrofit guide written specifically for mansion blocks, alongside guides for Victorian and modern houses. Since 27 August 2026, blocks of flats have permitted development rights for solar for the first time. That right belongs to the block, through the freeholder or management company, not to an individual flat owner. A residents' association or managing agent is therefore usually the right starting point for a shared roof.

Connecting to the grid

Kensington and Chelsea is served by UK Power Networks, and we confirm the network operator for each address during design. We handle the DNO notification or application, which depends on the size of the system and any battery. Our article on DNOs and export limits explains how that affects system size.

If you live in Kensington and Chelsea and want to know what your roof and its designations allow, we check the conservation area, listing and Article 4 position for your address before we design anything. When you are ready, request a solar and battery quotation.

Local planning information checked against Royal Borough of Kensington and Chelsea sources on 27 October 2026. Planning designations change, so this is general guidance, not advice for a specific property.