Certified House Extensions in West London – From Planning to Completion

Fully certified structural specialists managing your house extension in West London – from planning permission to final completion.

Fixed timelines
Fully insured (£10M cover)
Planning support included

Completed 100+ projects

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Planning a house extension can quickly become stressful

Most homeowners face the same challenges when planning a house extension:

Delays caused by planning permission issues
Unexpected structural costs and hidden extras
Contractors who don’t communicate clearly
Projects that run over budget and schedule

Our Process

Consultation & Quote

Free consultation to discuss your idea, design, style and budget.
Expert advice tailored to your project.
Transparent quote including all materials.

Interior Design & Permissions

Your idea will be transformed into drawings.
Support in obtaining permissions and approvals.

Cost
Effective

Collaboration with trusted suppliers.
High-quality materials and finishes at competitive prices.
The best value without compromising on quality.

Work
Begins

Once all design plans are finalised our specialised team will begin work with the utmost respect for your property.

Relax

We are project managers as well as skilled labourers.

Aftercare

Our work is now guaranteed for 3 years.

Take the first step today!

Our Credentials & Experience

Trusted by homeowners across West London

See What’s Possible in Your Home

Before After

Our Work in Pictures

Our services are available for clients in:

Acton
Barnes
Battersea
Brentford
Chelsea
Chiswick
Clapham

East Sheen
Ealing
Fulham
Hampton
Hampton Hill
Hammersmith
Kensington & Chelsea
Kingston

Kew
Mortlake
Notting Hill
Pimlico
Putney
Richmond
South Kensington
Sunningdale

Sunninghill
Teddington
Twickenham
Virginia Water
Wandsworth
Wimbledon

Why Clients Choose ARROW?

Bespoke Design Package Included

Eco-friendly
materials

3-year
warranty

Budget-friendly split payments

£10 million
insurance

What Our Clients Say

Perfect work was conducted in my house. I can fully recommend Bartos and his team. Definitely will be using Arrow in the future and I can recommend it for others.

I can truly recommend this team. They did a full re-wire, re-plumbing, 2 bathrooms, kitchen in the extension and decorating works. I’m satisfied. Thanks Guys.

Exceptional service! Highly recommended! Bartos and his team done great job fitting the new kitchen, bathroom, decorating rooms and changing flooring after a small house fire.

Very happy with results! Highly recommended for any job!

Bartos and his team transformed our loft into a beautiful new bedroom. Professional, tidy and always on time. Highly recommended!

Great experience from start to finish. Bartos handled our rear extension flawlessly — excellent communication and fantastic workmanship.

We had our bathroom fully renovated and the result is stunning. Bartos’s attention to detail is outstanding. Would absolutely use them again.

Top quality service! The team completed our full refurbishment quickly and within budget. Bartos is reliable, honest and really knows his craft.

Get a fixed quote for your house extension in 24h

No obligation

Contact West London’s trusted extension specialists today. We provide clear, detailed quotes and handle everything from planning permission to structural completion. Let’s add space to your home.

Structural Work Specialists Serving West London and surrounding areas.