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Loft conversions in W1, West End, Soho

Loft conversions in West End, Soho (W1): turn the dusty attic into a bedroom, office or hideaway. Tell us about your roof and up to 3 local builders will quote.

✨ Free to use🤝 No obligation🔒 Shared with 3 pros max

✅ What your loft conversions covers in W1 (West End, Soho)

  • A survey of your roof space and structure
  • Velux, dormer, hip-to-gable or mansard options
  • Floor strengthening and insulation
  • Stairs, windows and fire safety
  • Electrics, heating and finishing

💷 Typical loft conversions prices in W1 (West End, Soho)

Velux (rooflight) conversion£35,000 to £55,000
Dormer loft conversion£55,000 to £85,000
Mansard conversion£70,000 to £110,000
Typical London prices in 2026. A guide only; your quotes will depend on the job.

💬 Questions about loft conversions in West End, Soho

Is my loft suitable in West End, Soho?

Most need about 2.2 metres of head height at the highest point. A builder can check this on a quick visit before you commit to anything.

Do I need planning permission?

Many loft conversions fall under permitted development. Flats, conservation areas and bigger roof changes usually need permission. Ask builders when they quote.

How long will it take?

Often 8 to 12 weeks of building work once approvals are in. Your builder will plan it with you.

📍 Loft conversions covering W1

W1 covers West End, Soho in the London Borough of Westminster. Enter your full postcode above and we'll send your job to builders who work in W1 and nearby, like W2 (Paddington, Bayswater), W9 (Maida Vale) and SW1 (Westminster, Pimlico).

Want more than loft conversions?

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