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Extensions

Add space and value to your home with a professionally built extension. We specialise in rear, side-return, wraparound, and double-storey extensions tailored to your lifestyle and property layout.

Create more room without moving home

Space Without the Stress

An extension is the perfect way to unlock the potential of your property. Whether you need a larger kitchen, a home office, or more space for the family, we design and build extensions that feel like a natural part of your home. You’ll enjoy improved functionality, added value, and a transformed living experience — all without the upheaval of relocating.

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Tailored design and seamless construction

Built Around You

We take care of every step — from digging foundations to the final finish. Our team works closely with architects and local authorities, ensuring your project meets building regulations and planning approval. We manage all trades in-house, including structural work, plumbing, electrics, glazing, roofing, and interiors — delivering a cohesive and stress-free build.

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Why Choose 
J A Wright?

  • A Complete, End-to-End Service

    From the very first conversation to final handover, we manage every stage of the project in-house. Our integrated team including architectural designers, project managers, and skilled trades ensuring a seamless journey from concept to completion.

    We liaise directly with local authorities, appoint structural engineers, and manage compliance removing the stress from your side.

  • Clear Communication & Trusted Advice

    We believe in being upfront and transparent.

    That means clear timelines, honest advice, and no hidden costs. Our clients deal directly with the director from day one, ensuring a dedicated point of contact and a consistent, hands-on relationship.

    We flag potential issues before they arise and help you make informed decisions at every stage.

  • Reliable Main Contractors with a Proven Network

    As main contractors, we work with a handpicked team of professionals across every trade — from groundwork to finishing. Our extended network is made up of trusted specialists we’ve worked with for years, ensuring quality and continuity across the entire build process.

  • Experience in High-End Residential Projects

    We’re experienced in working with premium materials, bespoke finishes, and detailed architectural elements — all while maintaining structural integrity and build quality. Whether it’s a high-spec extension or a full new build, our knowledge of modern methods and materials ensures nothing is left to chance.

  • We Make the Process Simple

    Clients come to us because they want results without the headaches. We combine design, technical, and construction expertise under one roof — making the process more convenient, more collaborative, and far less fragmented. You get one team, one plan, one clear route from idea to reality.

Recent Client Testimonials

We have a home exceeding anything that we had dreamed of! There were no corners cut and the finish was fantastic – Alan’s eye for detail exceeded even ours! He is a true gem in the world of builders, taking a genuine pride in the work he carries out and completing everything to a very high standard.
Building a home involves thousands of decisions but the best one we made was employing Alan!
We recently demolished and rebuilt our home in Cuffley and were extremely fortunate to have Alan Wright carry out the work for us. Would I recommend him and his team?
Absolutely!
We were complete novices to the world of home improvement and Alan made the whole journey a manageable experience from beginning to end. His expertise, skill, conscientiousness and endless patience were faultless throughout. Nothing was too much trouble and every member of the team he brought to the site was equally professional, courteous and reliable.
The outcome? We have a home exceeding anything that we had dreamed of! There were no corners cut and the finish was fantastic – Alan’s eye for detail exceeded even ours! He is a true gem in the world of builders, taking a genuine pride in the work he carries out and completing everything to a very high standard.
Building a home involves thousands of decisions but the best one we made was employing Alan!

Mr. & Mrs. P. McGuigan

Alan Wright and his team completed a 2-storey extension including a complete re-design of upstairs in May 2008.  There was always a team of builders working every day to ensure the job was completed with the minimum disruption and no unnecessary delays. The quality of work and attention to detail was excellent with good recommendations from the team for improvements and a number of additions to the planned work being accommodated without issue.  All members of the team were pleasant to have around and totally trustworthy.  I was delighted with the finished extension!

Alan Wright and his team completed a 2-storey extension including a complete re-design of upstairs in May 2008.  There was always a team of builders working every day to ensure the job was completed with the minimum disruption and no unnecessary delays.  Work was completed in 5 months. The quality of work and attention to detail was excellent with good recommendations from the team for improvements and a number of additions to the planned work being accommodated without issue.  All members of the team were pleasant to have around and totally trustworthy.  I was delighted with the finished extension and would definitely recommend Alan and his team to anyone needing a good quality builder.

Mr. & Mrs. P. Tucker

Alan came to us highly  recommended and we were not disappointed. Alan is the best kind of builder and project manager rolled in to one. Work was completed to a very high standard and within budget. Any issues encountered were brought to our attention immediately and Alan was creative in his solutions to issues encountered to protect our overall project budget. In addition, Alan handled all aspects of Building Control and has a wide range of skilled tradesmen he can call. We would recommend Alan without hesitation.

Alan came to us highly  recommended and we were not disappointed. Alan is the best kind of builder and project manager rolled in to one. Work was completed to a very high standard and within budget. Any issues encountered were brought to our attention immediately and Alan was creative in his solutions to issues encountered to protect our overall project budget. In addition, Alan handled all aspects of Building Control and has a wide range of skilled tradesmen he can call. We would recommend Alan without hesitation.

Mr. & Mrs. T. Attree

In recent years, Alan has installed a new kitchen and added a conservatory to our 1960s property, again involving the removal of a supporting wall; refurbished a family bathroom to maximize the available space and created a downstairs shower room. Due to his professional approach, Alan enjoys a good relationship with Local Authority Building Control officers and ensures all his work is compliant with current Building Regulations. We have recommended Alan to several of our friends and would not hesitate to do so in the future.
Over the past 15 years Alan has carried out a number of building projects for us on two different properties.
On our terraced period property, he completed a loft conversion and the removal of a supporting wall and chimney breast to create a large kitchen/dining area. Both these projects involved co-operation with the adjacent properties which shared a party wall. Alan’s attention to detail meant that all the new woodwork and staircases were in sympathy with the original building.
In recent years, Alan has installed a new kitchen and added a conservatory to our 1960s property, again involving the removal of a supporting wall; refurbished a family bathroom to maximize the available space and created a downstairs shower room. Due to his professional approach, Alan enjoys a good relationship with Local Authority Building Control officers and ensures all his work is compliant with current Building Regulations.
Alan works alongside a network of professionals in allied trades meaning that he can draw on specialist skills when required and co-ordinate all the trades to minimize delay. Examples of this in our own  experience being the design and installation of our kitchens and conservatory.
We have recommended Alan to several of our friends and would not hesitate to do so in the future. He is reliable, willing to correct any problems arising from completed work and considerate towards the needs of his clients. A particular example of this being our experience of having building work carried out in a house with a young family when we were always comfortable having him around our children.

Mr. & Mrs. J. Elliot

We used Alan and his Team on a number of occasions and it is a measure of our confidence in him that we were comfortable giving him the keys and allowing him to get on with it.

Alan understood what we wanted and not only did he deliver but ensured the work was done to the highest standards.

Work was always completed on time and Alan was always available to talk over issues or incorporate relevant amendments. We valued immensely Alan’s professional counsel and are proud to say we regard him as a friend and not simply a hired contractor.

We used Alan and his Team on a number of occasions and it is a measure of our confidence in him that we were comfortable giving him the keys and allowing him to get on with it.

Alan understood what we wanted and not only did he deliver but ensured the work was done to the highest standards.

Work was always completed on time and Alan was always available to talk over issues or incorporate relevant amendments. We valued immensely Alan’s professional counsel and are proud to say we regard him as a friend and not simply a hired contractor.

Mr & Mrs Lambert

I just wanted to say a massive thank you for my bathroom.  I absolutely love it.  I can’t believe it’s the same room!!!!!  Please pass on my thanks to your team and can you ask them if they can come round and hoover and tidy up every week?

I just wanted to say a massive thank you for my bathroom.  I absolutely love it.  I can’t believe it’s the same room!!!!!  Please pass on my thanks to your team and can you ask them if they can come round and hoover and tidy up every week?

Mrs. J. Pope

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Other Services

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Renovation

Transform tired or outdated spaces into modern, functional homes with our full renovation service. Whether it’s one room or the entire property, we deliver high-quality results that respect your vision and enhance everyday living.

New Build Developments

From single plots to multi-home sites, we deliver high-quality new build developments tailored to your vision. Whether you’re a private landowner or a property developer, we offer full project delivery — from groundwork to final fit-out — with precision and professionalism.

Extensions

Add space and value to your home with a professionally built extension. We specialise in rear, side-return, wraparound, and double-storey extensions tailored to your lifestyle and property layout.

Commercial

We deliver reliable, on-time commercial construction for businesses, developers, and landlords across sectors. Whether it’s a fit-out, refurbishment, or a ground-up build, we focus on precision, safety, and minimal disruption to operations.

Interior Services

We bring interiors to life through bespoke fit-outs, refurbishments, and upgrades. From kitchens and bathrooms to full-home interior transformations, our team focuses on quality craftsmanship and premium finishes.

Private Sector

We work closely with private homeowners and property investors to deliver bespoke construction projects — from luxury home extensions to full property redevelopments. Our approach is collaborative, detail-oriented, and focused on achieving a result that reflects your lifestyle or investment goals.

Hard & Soft Landscaping

We create beautiful, functional outdoor spaces that enhance your property’s appeal. From patios and retaining walls to planting schemes and turfing, we handle every aspect of hard and soft landscaping.

Our Process

    Initial Consultation

    We begin by listening. In your initial consultation, we take time to understand your goals, budget, and vision for the project. Whether you have detailed plans or just an idea, this stage sets the foundation for everything that follows.

    Design Concept

    Our team develops a design concept tailored to your needs. We consider layout, functionality, and aesthetics — presenting you with a clear vision for your project. We’ll collaborate with you to refine every detail until the concept feels just right.

    Building Regulations Package

    Once the design is approved, we prepare a comprehensive package for building regulations approval. This includes detailed technical drawings and specifications, ensuring the project meets all required standards and passes smoothly through local authority checks.

    Quotation

    With the approved design and specification in hand, we provide a detailed, transparent quotation. This gives you a clear breakdown of costs, timelines, and scope — no hidden surprises, just a professional proposal you can trust.

    Construction & Sign-off

    From groundworks to final finishes, we handle every stage of the build. Our team manages the entire construction process with precision, keeping you updated and the site running smoothly. Quality, safety, and efficiency guide everything we do.

    When the work is complete, we walk you through the finished project to ensure every detail meets your expectations. Once you’re fully satisfied, we formally sign off — and leave you with a space that’s ready to enjoy.

Speak to our expert team today

Ready to discuss your project?

Or Call: 01582 377 775