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More room, same postcode 🏡

House extensions in N8, Crouch End, Hornsey

House extensions in Crouch End, Hornsey (N8): more kitchen, more bedroom, more you. Describe the project and up to 3 local builders will get in touch to quote.

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✅ What your house extensions covers in N8 (Crouch End, Hornsey)

  • Plans and drawings, or working to yours
  • Building regulations and party wall help
  • Foundations, walls, roof and windows
  • Plastering, electrics and plumbing coordinated
  • A clear timeline and staged payments

💷 Typical house extensions prices in N8 (Crouch End, Hornsey)

Single-storey rear extension£2,800 to £4,000 per m²
Double-storey extension£2,200 to £3,500 per m²
Side return extension£3,000 to £4,200 per m²
Typical London prices in 2026. A guide only; your quotes will depend on the job.

💬 Questions about house extensions in Crouch End, Hornsey

Do I need planning permission in Crouch End, Hornsey?

Many rear extensions fall under permitted development, so they don't need full planning permission. Rules are stricter in conservation areas and for flats. Check with the council or ask builders when they quote.

How long does an extension take?

A single-storey extension is often 3 to 5 months from first dig to final snag, plus time for plans and approvals. Your builder will give you a timeline.

What should the quote include?

A written breakdown of labour and materials, a start date, a payment schedule tied to stages of work, and who handles skips and waste.

📍 House extensions covering N8

N8 covers Crouch End, Hornsey in the London Borough of Haringey. Enter your full postcode above and we'll send your job to builders who work in N8 and nearby, like N6 (Highgate), N10 (Muswell Hill) and N15 (South Tottenham).

Want more than house extensions?

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