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Kerry
London
They have been extremely efficient and reassuring. It was a complex project but they took it all in their stride. They recommended very good contractors who were all punctual, polite and capable.
Andrew
London
All about trust. I felt comfortable with my money, my project, and my home knowing that the outcome would be to my satisfaction or would be made good.
Chris
London
Renovate your whole home in Barnet with confidence
A whole-home renovation in Barnet touches every trade and every room, which is exactly where projects run into scope creep and surprise costs. Beams starts by properly defining the project: a full design, a detailed scope of works and a fixed price, before matching you with a vetted builder to deliver it.
Milestone payments and a 12-month workmanship warranty are included as standard, so the whole project runs on the same terms from first fix to final snag.

One team, one plan
Rather than juggling separate designers, tradespeople and a project manager, you get one team behind the whole renovation: design, specification, procurement and build all coordinated against a single plan, so decisions made in one room do not create problems in another.

What a home renovation costs in Barnet
Cost scales with the size of the house, the number of rooms and the level of specification. Barnet's average house price of £601,000 (ONS/HM Land Registry, July 2026 provisional) sits below many inner-London boroughs, which is one reason a full renovation is often more affordable here than in central London. Beams gives you a free estimate range upfront, and your builder confirms a fixed price once the scope of works is agreed.
Property size | Typical cost range |
|---|---|
Two-bedroom flat or terrace | £80,000 - £150,000 |
Three to four-bedroom semi or house | £150,000 - £300,000 |
Larger detached or extended home | £300,000 - £600,000+ |
Based on Beams estimates for London whole-home renovation projects. Your fixed price depends on scope, specification and the condition of your home.

How it works
1. Get your free estimate: Tell us about your home and goals; your planner gives you a range before any commitment.
2. Design and scope the project: We produce a full design and a detailed scope of works.
3. Build to a fixed price: Choose your builder and Beams sets up the contract and milestone payments.

Designed and specified properly
A full home design and a room-by-room specification are produced before your builder prices the job, so quotes are genuinely comparable and there is far less room for costly changes once work is underway.

Protections on every Barnet renovation
Every project comes with our full Protections:
Personally vetted builders: Met in person, references and recent work checked.
Fixed-price contracts: Agreed in writing before work begins.
Milestone payments: Held securely, released only when you approve each stage.
12-month workmanship warranty: Plus up to £10,000 cover if a builder leaves the network.

Why renovate rather than move
Moving house comes with stamp duty, estate agent fees and the disruption of leaving a home and area you know. A full renovation lets you reshape the house you already have, often for a fraction of the cost of moving to a bigger property in the same area.

Renovating a home in Barnet
Barnet's housing spans Edwardian and Victorian terraces in Finchley and Hendon, 1930s semis and detached houses across Mill Hill, Totteridge and Whetstone, and post-war and more recent homes elsewhere, so a whole-home renovation here rarely follows a single template. Around 16 conservation areas, including Totteridge, Mill Hill and Monken Hadley, along with the part of Hampstead Garden Suburb within the borough, add planning constraints on external changes, though internal reconfiguration is usually far more flexible. With an average house price of £601,000 (ONS/HM Land Registry, July 2026 provisional), Barnet remains one of the more affordable outer-London boroughs to renovate in relative to inner London.
We cover the whole of Barnet plus neighbouring Muswell Hill and Hampstead, with the same vetted builder network and design team behind every project.

Other services in Barnet
We also help Barnet homeowners with:
Home renovation in nearby areas:

