House Builders in Chelsea with Many Years of Experience

Our services in Chelsea

• Loft Conversions

Dormer, hip-to-gable, L-shaped and Mansard conversions, with drawings, structural calculations, planning and building regulations coordinated for you.

• House Extensions

Single storey, side return, wrap-around and double storey additions, with structural work, construction and fit-out.

• Kitchen Renovations

Full kitchen renovations and kitchen extensions, with design and supply support.

• Bathroom Renovations

Family bathrooms and en-suites, from strip-out to final installation.

• Renovations & Refurbishments

Whole-property renovations managed by one team, including flats and apartments.

Property and planning in Chelsea

Chelsea's property landscape includes period townhouses, mansion blocks, purpose-built flats, mews properties and modern apartments. Each property type can bring different planning, structural and practical considerations when carrying out renovation or building works.

Many of Chelsea's period properties require a particularly considered approach to alterations and refurbishment. Listed buildings and properties within conservation areas may require additional permissions, while structural alterations need to be carefully designed to complement the character and construction of the existing property.

Mansard loft conversions can be particularly well suited to period townhouses where maximising usable roof space is a priority. These projects generally require planning permission and, where the property is listed, may also require listed building consent. Through our Design & Build service, we can coordinate the architectural, structural and planning requirements alongside the construction works.

Working within mansion blocks and leasehold apartment buildings can involve additional requirements, including freeholder or building management approval, protection of communal areas, restricted working hours, access arrangements and consideration for neighbouring residents. Through our Architectural & Structural Services we coordinate drawings, structural engineering, planning and building regulations.

Why homeowners in Chelsea choose InstaFlame

• Experience of the local property types and the practical side of building work in Chelsea.
• A reputation built on quality workmanship, recommendations and repeat customers.
• Clear communication, detailed quotations and professional project management.
• Stage payments that follow the progress of the work.

Chelsea questions

Do I need planning permission in Chelsea?

Some extensions and loft conversions fall within permitted development rights, but limits apply depending on the size and design, the property's planning history and whether it is in a conservation area or listed. Applications in Chelsea are handled by the Royal Borough of Kensington & Chelsea. We assess your property and coordinate any applications.

Which loft conversion suits my Chelsea home?

It depends on the roof structure and available headroom. We assess your roof space first, then advise on dormer, hip-to-gable, L-shaped or Mansard options.

Can you manage the whole project?

Yes. Our Design & Build service coordinates design, structural engineering, planning, building regulations, construction, fit-out and finishing with one team and one point of contact.

Do I need a Party Wall agreement?

If the work affects a shared wall or involves excavation close to a neighbour's property, the Party Wall etc. Act may apply. It is best dealt with at the planning stage, and we can advise.

How do I get a quote for my Chelsea project?

Contact us to arrange a site visit. We discuss your ideas, assess the property, then prepare a detailed quotation.