A family-run business est. over 25 years
Give us a call: 01206 577591

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    Annexe Before

    Annexe After

    Garage Before

    Garage After

    Convert your garage to create a space that better meets your needs.

    You can rely on Lexden Garage Conversions to manage your conversion project from conception to successful completion.

    With more than three decades of experience in delivering stunning garage conversions and annexes, our in-house, Colchester-based team has the knowledge and the experience to transform even the most tired-looking space into a functional room that will add significant value to your home.

    Plus, we can make the conversion process even simpler by providing survey consultations; managing planning applications and building control approvals; and putting together easy stage payment plans to spread the cost of your new investment.

    Call us on 01206 577591 to get an estimate for your conversion project.

    Look no further. We provide an all in house service from conception, design to completion.

    • FREE Initial Survey consultation
    • Liaise with your local borough council and authorities on your behalf
    • Arrange planning permission if required
    • Arrange building control fees
    • Arrange steel calculations if required

    Making the whole process easy and stress free for you.

    KIND WORDS - See what our customers have to say about our service

    Read our testimonials

    Garage conversion examples

    Make better use of the square footage that’s going to waste in your garage.

    We offer everything you need to create a space that enhances your lifestyle and makes you fall in love with your home just that little bit more.







    Your project is in safe hands with us

    At Lexden, we understand you want the best possible results without the hassle. Our garage conversion specialists will manage the entire process, from applying for the appropriate approvals and permissions through to drawing up bespoke plans and managing all the subcontractors who are going to complete your works.

    It’s a truly hands-off solution that guarantees everything will be taken care of from day one.


    How it works

    We've got all your trades covered

    We employ a team of specialist contractors in-house, so we have access to the skills and expertise we need to complete your garage conversion or annexe to exacting standards.

    Electrical Work

    Electrical Work

    Our electrical services include rewires, extension/conversion rewires, heating rewires, consumer unit upgrades, and inspections and testing. Safety certificates can be supplied.

    Gas Installs

    Gas Installs

    Our Gas Safe registered engineers have been checked to make sure they qualified to safely fit cookers, fires, boilers and other gas appliances. Safety certificates can be supplied.



    Installation, repair and maintenance works undertaken on your central heating (including underfloor heating), boilers, gas meters, and water mains systems.



    A professional, reliable service from our bespoke carpentry division, which covers the design and fitting of windows, doors, skirtings, staircases, flooring and decking.



    Includes all jobs and techniques, from skimming over existing structures to sand/cement rendering, plasterboard repairs, coving, screeding, taping and jointing.


    Let us handle all your interior and exterior decorating, which includes paint stripping, wallpapering, masonry painting, woodwork staining and varnishing.



    We’ll manage everything from site clearances to laying foundations, installing drainage, carrying out bulk excavations and arranging the construction of block beams.



    Let us calculate steel costs, create bespoke designs and handle the shipping and installation of your steel beams and other associated structural works.

    What our clients say...

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      I have engaged Lexden Builders a few times now, firstly for a garage conversion and then subsequently for a rebuild of two bathrooms. On every occasion, the work is carried out in such a professional manner. The team are really friendly, and Steve drops in on occasion to check on how the work is progressing. Steve comes round to the house to review what is needed, agrees an amount for the work and then provides dates. I have never known a job to move from the original date; it starts and finishes on time every time. When the work is carried out, everything is kept tidy and a clean-up is completed at the end of each day. They have regular suppliers that they use, provide brochures, set up appointments to go and select the items you want and then they take care of the rest. Some builders I have used in the past, the pricing changes as the job progresses, but with Lexden Builders the pricing is very transparent and rarely moves, only if you upgrade what you are asking for and even then you get options to choose from. At the end of the job, they walk you round to check that you are happy with everything too. To date I have never found a snag post completion of the job.

      I have and will continue to recommend them to anyone looking for work to be completed. My neighbours seem to be booking them for work too as they can see great results. If you are looking for a builder that is reasonably priced but complete everything to a really high standard, on time and takes care of everything, this is the builder for you.

      Mr & Mrs Bryant - Garage Conversion, Downstairs Toilet & Upstairs Bathroom – Location: Highwoods, Colchester, Essex
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    • Left quote marks

      From the first day we contacted Lexden Builders, it was clear how easy it was going to be to work with them and what an excellent outcome we would have. Their level of attention to detail was evident in the planning and at all stages of the work.

      When the work was complete, it was truly complete, with care taken to ensure aspects outside of the original scope were also left in the best condition possible. They were always tidy, polite, hardworking, perfectionists! and a delight to have working around the home.

      We now have a beautiful garage conversion and outdoor areas. They managed the entire project, making all the additional aspects like flooring, decorating, kitchen, bathroom really simple to organise.

      We have already, and will continue to highly recommend Lexden Builders. Thank you!

      Steph - Double Garage Conversion to a One Bedroom Annexe – Location: Lexden, Colchester, Essex
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      Right from the initial quote Steve was clear and knew exactly what needed to be done and from day 1 of the build the guys were great, respectful, tidy, even when asking for additional work they fitted it in. Dealt with building controls right from day 1, this was a completely stress-free build. Quality of build is better than we could of imagined and the additional room has changed the way we use our house. Now looking forward to be able to call upon Steve and the rest of the team when we are ready for the larger extension.

      Mr & Mrs Howells - Garage Conversion – Location: Witham, Essex
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      Really quick response to my enquiry, Steve came round to look at our very sad looking garage and listened to our ideas for a utility/ storage space. From there on, he took it all in hand with an easy to understand quote, architect, planning and suppliers to go and look at for ideas. Throughout the building phase, we were really impressed with the tidy way the team worked, with regular drop ins and contact from Steve. It really felt that everyone knew exactly what was going on.

       A really lovely functional space is what we we given and it’s a joy to be in, no glitches and everything is in fact better than we had asked for including the purpose built cupboards which are a joy!

      Heidi - Garage Conversion – Location: Colchester, Essex
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      I highly recommend Steve and his team. They made what was for us, a step into the unknown, a stress free process. The team were able to complete the build in the estimated time. There was activity on most days on site by one trade or another, meaning there was steady progress throughout. The team were professional, experienced, knowledgeable, highly skilled, polite and very tidy. Where there was the inevitable hiccup, Steve was able to explain and guide me through what needed to be done. Our project had complexities which Steve and his team overcame with minimal fuss. They understood our vison and delivered far more than we expected. This is the first time we have ever undertaken home improvements of this size. I gathered numerous quotes from builders who varied in experience and price. Steve’s quote was competitive and realistic. I found him a personable character and very easy to communicate with.

       If I consider improvements to our house or others in the future, I would without hesitation call Lexden builders.

      Del & Hazel - Garage Conversion & Linked Extension – Location: Colchester, Essex
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    Call us now for a no-obligation quotation

    Tel: 01206 577591 or Mobile: 07990 836008

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