Find a local extension builder near you. We have 7,677 trusted and reviewed extension builders in Swanley to choose from, based on 3,708 reviews.
Tell us about the work you need doing around your home.
Up to 3 Extension Builders in Swanley will then be in touch to quote for the work.
Compare quotes then choose your preferred Swanley Extension Builder.
Filter by:
Sort by:
We are a family-owned and operated construction company in London and Kent. We are a professional and client-focused building contractor. We perform all levels of building and refurbishment throughout. We specialise in residential refurbishments, ext...
"Really pleased with the service provided. Great communication throughout the job, the guys were polite, friendly and reliable. They provided an overall good service and within the timescale required. Would happily recommend!"
Reviewed by Julie on 3rd Nov 2026RB Prime Building Solutions Ltd is an experienced building company serving Wrotham, Sevenoaks and surrounding areas, including Bromley, West Wickham and Sidcup. We undertake home refurbishments, bathroom and kitchen renovations, extensions, loft conv...
"Excellent workmanship from start to finish! Robert rebuilt the brick arch over my garden gate, and I couldn't be happier with the result. He arrived on time, worked professionally throughout and demonstrated exceptional bricklayin..."
Reviewed by Milla on 21st Oct 2026We are a building company based in Dartford/Sidcup. We cover every domestic trade for everything from a new Kitchen to Extensions and Loft Conversions. We are a friendly team with a keen eye for detail. We have over 60 years experience between us and...
"They were honest and trustworthy builders. They completed the work to schedule and I am satisfied with their work and will recommend them."
Reviewed by Anton on 19th Aug 2026Covering all groundwork’s from residential to commercial builds, we cover drainage all the way up to roofings for a free quote please contacts us
Kenmore building specialists are a small family run business,We specialise in extensions, loft conversions and refurbishments, all aspects of our work are done to the highest standard.
HGF are a family run building company based in Bexley , we carry out loft conversions, extensions, kitchens, bathrooms and all associated works .
Able Renovation is a trustworthy and capable team of professionals comprised of various tradesmen and experts with decades of experience in all fields, dedicated to customer satisfaction and quality work.
"Quality of workmanship was of a high standard. Both Jonathan and Robbie ensured we got the quality we were looking for and nothing was too much for them. They went the extra mile to have a happy customer. We weeevthat pleased that..."
Reviewed by Gary on 23rd Oct 2026We are a reliable building and property maintenance company specialising in internal and external works. We carry out refurbishments, repairs, landscaping and general building projects. Professional finish, fast response and dependable service. Avail...
"Great guy, excelled job, professional, hard working and value for money"
Reviewed by Charlie on 22nd Oct 2026Construction, Kitchens, Bathrooms, Extensions, Refurbisment, Loft Conversions, Landscaping, Patios, Driveways, all works catered for.
"Reliable, very happy with the work, efficient and tidy. I would definitely recommend Diamond Developments to my friends."
Reviewed by Tracy on 20th Oct 2026At VLL MESHI Construction & Rendering , we are more than just a construction company in London. We are a team of dedicated professionals with years of experience in providing top-notch architectural solutions for your dreams. With our expert team...
"Very happy with the job that VLL-MESHI done for me. My house needed some TLC and so I opted for rendering on the lower half for a freshen up and modern look. Halit went through the job with me in detail before carrying out the..."
Reviewed by Carlie on 19th Oct 2026At Anytime Plumbers we are a family firm and have been established in the trades for 15+ years, we cover Kent and London areas and have 5 million public liability insurance. We cover all aspects of building, plumbing, electrical and roofing works.
"The upgrade Justin did on my en-suite is fantastic. He made suggestions that have proved to be inspired. And he stuck to the prices quoted, the only small addition to fix the rotten floor under the old shower. A superb job and I w..."
Reviewed by Colin on 17th Sep 2026Hrd is a family owned business and we take our customers projects really seriously and make sure all their needs are met
"The the work was done efficiently.The tradesmen were in time.The areas involved were left clean and clear .The tradesmen were friendly and respectful."
Reviewed by Iotha on 11th Sep 2026At paramount plastering & building we use only premium materials and cutting-edge techniques to guarantee durability and aesthetic appeal. Our commitment to excellence extends beyond our workmanship; we prioritize customer satisfaction, working close...
"Great work completed by Darren and the team thanks again"
Reviewed by Chris on 23rd Aug 2026Dynamic and highly skilled Builder with over 15 years of experience in residential and commercial construction. Expertise spans structural carpentry, groundwork, and end-to-end project management. Proven track record of completing over 50 large-scale...
"I needed a new box-covering constructed for a gas pipe which runs through my living room, and Tigran, from IC Ltd, did a masterful job, building something which is far superior to what was there before. When he came to give me a q..."
Reviewed by Julian on 27th Jul 2026Here at PTL property maintenance we have been in the working industry for over 20 years lots of experience we cover most areas in and around Bromley.
"Daniel and his team, did a fantastic job, repairing and grouting my patio. I would thoroughly recommend PTL Property Maintenance for their professional attitude and quality of work."
Reviewed by Eric on 16th Jul 2026GMS Building brings over 40 years of experience across all aspects of building and property improvement. From groundwork, garden walls, loft conversions and extensions to interior and exterior decorating and professional flooring, we provide a comple...
"Would highly recommend Gary & Sean! Great communication, friendly and polite. Very knowledgeable and gave great recommendations on materials. Thank you we are very pleased with the outcome of our new wall."
Reviewed by Sophie on 4th Jul 2026We are a local, reliable building and property maintenance company working in and around Kent and Sussex. With over 25 years experience within the construction industry, we can cover all aspects of building and property maintenance and have a team of...
"Marcus has done an excellent job cleaning and re- grouting my garden path and patio and I recommend him and would certainly use him again."
Reviewed by Anne Howell on 23rd May 2026Hi everyone we are a family run business with 20 years experience on UK and more den 10 years experience on Italy, we are very onest people and very professional workers with experience on all types of construction
"Mario is professional and very good project manager. He took responsibility to manage the rear extension and garage conversion work from start to end. The experience from quote to completion was very smooth. Few unexpected issues..."
Reviewed by Ravindra on 9th May 2026Best in the Area Beat any price All works guarantee
"Great service all round definitely use again"
Reviewed by Sonya on 7th May 2026Hi we are a local business with over 30 years experience in the roofing game we specialise in all roofing from flat roof to pitched also chimney works / facia soffits guttering we are fully insured and honest hard working men feel free to get a free...
"Spencer and John done a fantastic job on my house front elevation very high standard of workmanship clean and tidy would a recommend them to anybody also charge a reasonable price"
Reviewed by Julian on 30th Mar 2026All reviews are submitted by homeowners who have had work completed as part of using our service. Whilst every effort is made to verify and check reviews, we ask all homeowners to conduct their own research and follow our Homeowner Checklist before hiring.
To understand more about our reviews process, please visit our Reviews Policy.
Find Extension Builders Near You
Join over 1,000,000 happy homeowners who have posted their job on MyJobQuote.
Over 1 million homeowners and over 50,000 tradespeople
use MyJobQuote nationwide each year