
FMT Construction · Walton on Thames
Builders in Surrey for House Extensions
Expert property renovation and construction, delivered across Walton on Thames, Weybridge, Esher, Cobham and the surrounding areas.
Over 35 years of experience
Free site visit and quote
Planning and building regulations managed
Based in Walton on Thames
Builders in Surrey
About FMT Construction Consultants Ltd
Building Excellence, Creating Experiences
We don’t just build; we create exceptional living spaces. As your premier choice for construction in Walton on Thames, Cobham, and surrounding areas, our expert team ensures every property renovation and home extension is executed with absolute precision and innovation.
Our Proven Track Record
Whether we are managing seamless garage conversions in Claygate or delivering a bespoke kitchen refurbishment in Shepperton and neighbouring communities, our results speak for themselves.
- 35 Years of industry experience.
- 91% Repeat client rate.
- 42 Construction sites successfully managed this year.




Why homeowners choose us
Trusted Expertise Across Surrey
From a stunning loft conversion in Weybridge to complex structural alterations in Esher, Oxshott, and beyond, we guarantee a flawless finish. We are the highly skilled builder you can rely on to elevate your property and bring your vision to life.
- Trusted Local Builder
- Seamless Home Extensions
- Transformative Loft Conversions
- Luxury Kitchen Refurbishments
- Precision Structural Alterations
- Flawless Garage Conversions
- Bespoke Barn Conversions
- Uncompromising Quality Standards
What we build
Our Services
Extensions, conversions, renovations and new homes, each managed by one team from the first visit to the finished building.
Unrivalled Industry Expertise
Why Choose FMT Construction Consultants Ltd
Our bespoke construction solutions draw upon over 35 years of practical experience across diverse residential projects. Whether you are planning a complete property renovation or require complex structural alterations, we have successfully managed builds of varying scales and intricacies throughout Walton on Thames, Cobham, and surrounding areas.
As a highly trusted builder, we have flawlessly completed countless projects, from a tailored home extension to expansive barn conversions. We maintain an uncompromising focus on absolute reliability, superior craftsmanship, and long-lasting results for every single client across Weybridge, Esher, Oxshott, and beyond.
We utilise highly trusted suppliers alongside modern building methods to ensure every loft conversion, kitchen refurbishment, and set of garage conversions is safe, solid, and finished to an exacting standard. Proudly serving Claygate, Shepperton, and neighbouring communities, we guarantee a premium space that truly stands the test of time.


From first visit to handover
How a Project Runs
- 01
Free Site Visit
We come to your home, look at the building and listen to what you want from it.
- 02
Written Quotation
We talk through the options, then follow up with a clear written quotation.
- 03
Design and Approvals
We agree the design with you and manage planning permission and building regulations on your behalf.
- 04
The Build
One team runs the job. The site is kept clean, secure and well managed, and you are kept informed at every stage.
- 05
Handover
We walk the finished work with you once building control has made its final inspection.
Watch a project come together
From Bare Frame to Finished Building
This oak framed garden room was built by our team from the ground up. The frame went up first, the slate roof followed, and the outdoor kitchen and paving finished it off.
- 01Oak frame raised
- 02Slate roof going on
- 03Finished
- 04In use

Portfolio
Recent Projects Across Surrey
A selection of extensions, loft conversions, renovations and new builds completed by FMT Construction. Select any photo to see it full size.










Managing Director
Mark Grimshaw
Mark is a hands on Managing Director with over 35 years of experience in the construction industry. His meticulous attention to detail and strong leadership skills ensure that every project runs smoothly from start to finish. Mark excels in managing timelines, coordinating with contractors, and maintaining clear communication with clients, making sure that their expectations are met and exceeded.
In our clients’ words
Our Testimonials
Areas covered
Building Across Surrey From Walton on Thames
FMT Construction works across Walton on Thames, Cobham, Weybridge, Esher, Oxshott, Claygate and Shepperton. Choose your town to see how we can help with your project.
- Walton on Thames KT12Loft ConversionsGarage Conversions
- Weybridge KT13Loft ConversionsHouse ExtensionsGarage Conversions
- Esher KT10Loft ConversionsGarage ConversionsHome Renovation
- Cobham KT11Loft ConversionsGarage ConversionsKitchen Refurbishment
- Oxshott KT22Loft Conversions
- Claygate KT10
- Shepperton TW17Loft Conversions
Free site visit and quote
Get In Touch
Call us, or tell us a little about what you are planning. We will arrange a convenient time to visit, listen to your ideas, talk through the options and follow up with a clear written quotation.
- Phone01932 943095/07990 868756
- Emailhello@fmtconstruction.co.uk
- AddressUnit 5 Field Common Farm, Field Common Lane, Walton on Thames, Surrey, KT12 3QJ
Ready to transform your home?
Get in touch with our expert team today to discuss your vision.


















