Luxury Builders
in Knightsbridge & Belgravia

Prime residential construction in Knightsbridge & Belgravia

Crown Building works at the top of the London market, and Knightsbridge & Belgravia is core territory for our team. The projects in our published case studies were delivered under exactly the constraints that define this part of London. Protected fabric, exacting consents, discreet site conduct and clients who judge the result at touching distance.

We do not operate at volume. We compete on execution. Meticulous programming, a trusted specialist supply chain and senior management present on site throughout are the baseline for every commission we accept in Knightsbridge & Belgravia. The standard does not change with the scale of the project.

What we build in Knightsbridge & Belgravia

Our residential work spans the full scope of high end building. We deliver architecturally distinctive new build homes, private residence refurbishments and structural reconfigurations, single and multistorey extensions, basement excavations, listed and period property works, and the bespoke joinery and interiors that define a finished home. Each project is delivered as design and build or contractor only, with Crown appointed as your prime residential main contractor, and transparent, itemised pricing from the outset. Commercial occupiers are served by the same teams through our commercial fit out division, and clinical and wellness premises through our healthcare and specialist environments team.

Work here is governed as much by the Grosvenor and Cadogan estates as by the planning system: licence to alter packages, estate approved contractors' conduct, and specifications where book matched stone, bespoke joinery and integrated automation are the baseline. Eaton Square, Chester Square and the Trevor Square quarter carry Grade II listed terraces where structural interventions must be engineered around protected fabric. Our approach, forensic preconstruction, early procurement of long lead stone and joinery, senior management permanently assigned. Exists precisely for projects like these.

Areas we serve

We work across Knightsbridge and Belgravia, Eaton Square, Chester Square, Cadogan Square, Trevor Square, Wilton Crescent, and into Sloane Street and Brompton Cross. You can see our full coverage, London within the M25 and a fifteen mile radius of our Watford headquarters, on our areas we cover page.

Two boroughs, three development plans, one address

Knightsbridge and Belgravia straddle a borough boundary, and the first practical question on any project here is which authority you are actually in. Belgravia and much of Knightsbridge sit in Westminster; the western side of Knightsbridge falls into the Royal Borough of Kensington and Chelsea. The two have different basement policies, different construction codes and different working hour restrictions, and the boundary does not follow the way people describe the area.

On top of the borough plan sit neighbourhood plans, which form part of the statutory development plan rather than being advisory. The Knightsbridge Neighbourhood Plan was made in December 2018 following a referendum in which 93 per cent voted in favour. The Belgravia Neighbourhood Plan was made in March 2024, with 94 per cent in favour, and carries an adopted Belgravia Neighbourhood Design Code alongside it. A scheme is assessed against those documents as well as the City Plan, and the Design Code in particular is specific about materials and detailing.

Belgravia and the Grosvenor Estate: internal walls need consent too

Belgravia was laid out from the 1820s by Thomas Cubitt and Thomas Cundy on land leased from the Grosvenor Estate, and much of it remains within the Grosvenor Belgravia Estate Management Scheme. As in Mayfair, the scheme binds freeholders as well as leaseholders, and Grosvenor's consent is a separate requirement from planning permission rather than an alternative to it.

Belgravia carries one requirement Mayfair does not. Under the Belgravia Scheme, changes to internal load bearing walls also require Grosvenor's consent, not merely external alterations. For a whole house refurbishment involving structural reconfiguration that is a material extra approval, obtained through a formal submission of drawings at a scale not less than 1:50 with an application fee based on the cost of the works. Grosvenor may also phase or delay approval to avoid disturbance to nearby occupiers, particularly in mews areas, and may require fees for its own structural, geotechnical, acoustic or highways consultants.

Long stucco terraces, and why uniformity constrains the work

Westminster describes Belgravia as predominantly residential with a high degree of townscape uniformity, the grander areas characterised by long stucco terraces of uniform mass, height and architectural treatment, with shorter entrance streets of brick houses with half stucco, and variety concentrated in the terrace entrances and the mews. Knightsbridge is more mixed: large scale terraces and squares from the mid nineteenth century, an area of smaller scale early nineteenth century houses around leafy squares, and the red brick with stone dressings of the Knightsbridge Green and Albert Gate areas, the latter including two classical stuccoed palazzo style blocks designed by Thomas Cubitt in 1840.

Uniformity is the constraint. Where a terrace is read as a single composition, an alteration that would be unremarkable on a detached house becomes a break in a protected rhythm. Westminster has fifty six conservation areas covering more than three quarters of the city and over eleven thousand listed buildings and structures, more than two hundred of them Grade I, so on most Belgravia and Knightsbridge addresses the relevant question is not whether heritage constraints apply but how many.

Speak to us about your Knightsbridge & Belgravia project

If you are planning a refurbishment, basement or new build in Knightsbridge & Belgravia, call us on 020 3675 3999 or book a free consultation here. Every enquiry is handled by a director.

Frequently asked questions

Where is Crown Building based?

Crown Building's registered office is at Unit 324-B, The Wenta Business Centre, Colne Way, Watford, WD24 7ND. We work throughout London within the M25 and across Hertfordshire and the Home Counties.

Which areas around Knightsbridge & Belgravia do you cover?

We work across Eaton Square, Chester Square, Cadogan Square, Trevor Square, Wilton Crescent, Sloane Street and Brompton Cross.

Do you handle licence-to-alter requirements?

Yes. We prepare and deliver licence to alter packages for the Grosvenor, Cadogan and other estates as standard, including surveyor liaison, protection regimes and reinstatement obligations.