Modern rear house extension in London with bi-fold glass doors and flat roof design by Fixiz

House Extension in Stroud Green (N4) | Costs, Planning & Expert Builder

House Extension in Stroud Green (N4), Haringey. Fixed-price quotes, local planning expertise and full Building Regs sign-off from Fixiz.

Looking for a professional house extension in Stroud Green? Fixiz Ltd delivers high-quality house extensions across Stroud Green (N4) and the wider Haringey area — with fixed-price quotes, an in-house team, and full Building Regulations sign-off. We know the local housing stock and planning landscape, so your project runs smoothly from survey to completion.

Why choose Fixiz for your House Extension in Stroud Green?

Stroud Green has a real mix of period and modern homes, and a house extension is one of the most cost-effective ways to add space and value here. Our Haringey projects are managed end to end by our own tradespeople — better quality control, clearer communication, and no subcontractor surprises. Every job comes with a transparent fixed price after a free site survey.

Planning permission for a House Extension in Stroud Green

Most projects in Stroud Green fall under permitted development, provided the work stays within the existing footprint and rules. Building Regulations approval is always required, and we handle the full submission and sign-off.

What does a House Extension cost in Stroud Green?

Your price is confirmed as a fixed quote after a free site survey — no hidden costs. As a guide, most house extensions in Stroud Green are shaped by size, specification and finish. See our full House Extension cost guide for detailed 2026 ranges, or request a fixed quote for your property.

Areas we cover near Stroud Green

As well as Stroud Green (N4), we carry out house extensions in Finsbury Park, Crouch End and Harringay and right across Haringey and North London.

FAQ — House Extension in Stroud Green

Do I need planning permission for a house extension in Stroud Green?

Often not — many Stroud Green projects are permitted development, but Building Regulations approval is always required. We confirm your exact position at survey stage.

How long does a house extension take in Stroud Green?

Most projects run from a few weeks to a few months depending on scope. We give you a clear programme with your fixed-price quote.

Will it add value to my Stroud Green home?

Yes — a well-built, properly certified house extension typically adds significant value and saleability to homes in Stroud Green and Haringey.

Do you handle Building Regulations?

Yes. We manage all Building Regulations applications and inspections and provide the completion certificate you will need when you sell.

Ready to start your house extension in Stroud Green? Learn more about our House Extension service or get in touch with Fixiz today for a free, no-obligation quote.