Frequently asked questions about house extensions and renovations in Ascot, Windsor and Chiswick

  • We have over 18 years of experience and have been proud Federation of Master Builders members for 15 years. Every project is personally overseen by Andrzej Teterycz, ensuring high-quality workmanship and excellent customer service.

  • We build house extensions, loft conversions and full home renovations in Ascot, Windsor, Sunningdale, Beaconsfield, Gerrards Cross, Chalfont St Peter, Chiswick, Ealing and West London. Andrzej Teterycz visits the site and manages each project in these areas.

  • Call Andrzej on 020 8581 5973 or send the form. He handles the estimate and stays on the job. Most projects start with a site visit so we can confirm the scope and price..

  • Yes. Andrzej provides a free estimate after a site visit. Call 020 8581 5973 or use the contact form.

  • We work with your architect, or we can arrange the design. Andrzej manages the build from start to finish either way.

  • A single-storey rear extension in Ascot, Windsor or Chiswick typically costs from £100,000. Larger or higher-specification projects often run between £120,000 and £250,000. A two-storey extension usually starts from around £150,000. Andrzej confirms the price after a site visit.

  • Many single-storey rear extensions and loft conversions can be built under permitted development. Larger projects or properties in conservation areas usually need planning permission. Andrzej reviews the site and advises on the correct route.

  • Robin Services Ltd has been building house extensions, loft conversions and full home renovations since 2008. Andrzej Teterycz manages each project himself, from the estimate through to completion. The company is a member of the Federation of Master Builders and works regularly in Ascot, Windsor, Sunningdale, Beaconsfield, Gerrards Cross, Chalfont St Peter, Chiswick and Ealing. Recent projects include extensions and renovations in Chiswick and near Ascot.

  • Loft conversions usually take 6–12 weeks. House extensions take 10–20 weeks depending on size and complexity. We provide a detailed timeline with every quotation.

  • A full renovation of a family house usually takes 4–8 months, depending on the scope. Smaller kitchen projects are shorter. Andrzej stays on the job from start to finish.

  • A single-storey extension usually takes 10–16 weeks on site. A two-storey extension typically takes 16–24 weeks. Andrzej manages the programme and keeps you updated.

  • A dormer loft conversion in Windsor, Sunningdale or nearby areas usually costs from £70,000. Hip-to-gable or full-width conversions are higher, often £90,000–£150,000. Andrzej Teterycz confirms the price after a site visit.

  • Andrzej Teterycz manages each project himself, so you deal with the owner from the estimate to completion. The company is an FMB member and carries out extensions, loft conversions and renovations in Ascot, Chiswick, Ealing and the surrounding towns.

  • A typical extension includes foundations, structure, roof, glazing, electrics, plumbing and basic finishes. Kitchens and higher-specification work are priced separately. Andrzej confirms the exact scope after a visit.

  • After a site visit Andrzej prepares the estimate. Once you accept, most projects start on site within a few weeks, subject to any planning or building control requirements.

  • Yes. We have carried out work on listed houses in Chiswick, including a Grade II listed property in Bedford Park. Andrzej reviews the constraints and advises on the correct approach.

  • A full home renovation, including a kitchen, typically costs from £100,000 for a family house. Larger projects in period homes in Chiswick or Ealing often run between £150,000 and £300,000. Andrzej Teterycz confirms the price after a site visit.

  • A two-storey extension in Ascot or the surrounding area usually starts from around £150,000. The final figure depends on size, specification and access. Andrzej confirms the price after visiting the site.

  • Andrzej arranges a site visit, then prepares an estimate. Once you accept, he manages the project from start to finish, including coordination with any architect and building control.

  • Andrzej Teterycz manages each project himself. You also have a site manager and a WhatsApp group for decisions. He visits the site regularly and keeps the programme clear.

  • Yes. We build loft conversions, house extensions and full home renovations in Sunningdale, Windsor, Ascot, Beaconsfield, Gerrards Cross, Chalfont St Peter, Chiswick and Ealing. Andrzej manages each project in these areas.

  • Yes. We regularly carry out house extensions, loft conversions and renovations in Beaconsfield, Gerrards Cross and Chalfont St Peter. Andrzej visits the site and manages the job.