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Find an Extension Builder in Portsmouth
Find a local extension builder near you. We have 1,139 trusted and reviewed extension builders in Portsmouth to choose from, based on 850 reviews.
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Extension Builders in Portsmouth
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Portchester Property Developments With over 20 years’ experience in the building trade, we provide reliable, high-quality workmanship across Hampshire. We cover all aspects of building and property maintenance, from small repairs to larger projects,...
Latest uPVC Windows & Door Review
"Polite, friendly, hardworking and did an excellent job and definitely went the extra mile"
Reviewed by Debbie on 21st Sep 2026Based in PO5 4BA,
Portsmouth
Extension Builder covering Portsmouth
Member since Apr 2026
ID Checked
I work as a Surveyor/Multi Trader. I complete works in All Major chain Public houses & Restaurants Major high street stores refurbishments to new works. I also complete private works. That covers all aspects of construction/ Buildings/Property De...
Latest Damp Proofing Review
"Scott did a faultless job removing bricks from my chimney breast and smoothing the plaster behind. He turned up on time, on the days that were arranged, and charged the exact amount quoted. Scott is polite, professional and left t..."
Reviewed by Eleanor on 5th Oct 2026Based in PO16 9JT,
Portchester
Extension Builder covering Portsmouth
Member since Sep 2023
Public liability insurance
All general building work including damp proofing and roofing work undertaken in the Hampshire area, guarantees provided, 24 hour call out, proud member of trust a trader 100+reviews ✅
Latest Roof Repair Review
"Rapid response, helpful, great communication, come and repaired the leak - will be in touch for remaining jobs in the near future"
Reviewed by Kurt on 8th Jun 2026Based in PO3 6BQ,
Portsmouth
Extension Builder covering Portsmouth
Member since Apr 2023
ID Checked
JY’S BUILDING & MAINTENANCE , a building and maintenance company based in the south. We specialise in providing reliable, high-quality services, ranging from general property maintenance to larger-scale building projects
Latest Internal Walls Review
"Josh has done a great job repairing all the water damage to my flat caused by my upstairs neighbour. This included stain blocking the ceilings and walls where necessary, then repainting them, re-hanging a door which, due to the w..."
Reviewed by Juie on 7th Jan 2026Based in PO4 9PH,
Portsmouth
Extension Builder covering Portsmouth
Member since Oct 2025
ID Checked
Hi I’m Cam, a local multi trader in the Portsmouth and Southsea area. I offer reasonable quotes and high quality work. I’m a qualified engineer and have decided to work for myself and have the freedom to do the jobs I enjoy, and to see the satisfac...
Latest Garden Clearance Review
"Very nice guy. No fussing, just got on with the job and tidied up afterwards. Happy to recommend."
Reviewed by Kasey on 13th Sep 2026Based in PO5 2FJ,
Southsea
Extension Builder covering Portsmouth
Member since Jun 2020
ID Checked
All building works undertaken, no job too big or too small. Fast friendly service and all work guaranteed.
Based in PO5 3QT,
Portsmouth
Extension Builder covering Portsmouth
Member since Aug 2025
ID Checked
I am a professional groundworker that can take all groundwork up to dps line. Digger, dumper, Roller & footings services, also drainage, driveways, gardens & slabs. We work on kerbs, edgings, concrete & tarmac jobs. We also fit doors,...
Based in PO1 4JE,
Portsmouth
Extension Builder covering Portsmouth
Member since Feb 2020
ID Checked
I am a professional contract manager and compliance specialist, helping businesses and contractors secure and successfully deliver projects. I support homeowners, landlords, and contractors with tender preparation, documentation, and project complia...
Based in PO1 2AL,
Portsmouth
Extension Builder covering Portsmouth
Member since Apr 2026
Hi it’s me Abid shirzad i like to start work construction I have little bit experience am from Portsmouth Thank you
Based in PO5 4LG,
Portsmouth
Extension Builder covering Portsmouth
Member since Jul 2024
Lk Perfect home What we do: Bathrooms & kitchen Looking for that dream kitchen or Bathroom? We can provide you with ideas and inspiration to achieve your ideal goal Extensions or conversion If you’re looking to add more space to your property we...
Based in PO5 4NB,
Portsmouth
Extension Builder covering Portsmouth
Member since May 2023
ID Checked
Apex construction quickly developed a reputation for delivering successful projects in complex health and education sectors. The company has grown steadily over the years, building an extensive client base. We pride ourselves on our teamwork culture,...
Based in PO5 4DS,
Portsmouth
Extension Builder covering Portsmouth
Member since Jun 2026
ID Checked
HR construction has more then 5 years experience in the building industry, we carry out the following works Handymen General building Painting and decorating Demolition Landscaping
Based in PO5 4HR,
Portsmouth
Extension Builder covering Portsmouth
Member since Oct 2023
ID Checked
Buildbetter are a full-service construction company based in Portsmouth covering Hampshire, West Sussex and Surrey. From small residential construction projects to larger commercial developments, we are committed to providing the highest standards of...
Based in PO5 1DS,
Portsmouth
Extension Builder covering Portsmouth
Member since Mar 2022
ID Checked
xtra Quotes Limited was built on a commitment to quality craftsmanship, structural integrity, and transparent, honest advice for homeowners. The roofing and loft industry is constantly evolving. With recent challenges like the spray foam crisis affe...
Based in PO1 1JP,
Portsmouth
Extension Builder covering Portsmouth
Member since Jun 2026
IndieGo Build primarily focuses on extensions, loft conversions, new builds and complete renovations, but we are happy to undertake smaller projects. Usually liaising with architects, but we are happy to work direct with the client. We really know...
Based in PO5 1EW,
Portsmouth
Extension Builder covering Portsmouth
Member since Aug 2024
ID Checked
At our company, we offer a wide range of services to meet all your construction and home improvement needs. Whether you need help with bricklaying, landscaping, plastering, drainage, painting, decorating, or electrics, our skilled team is here to pro...
Based in PO1 3SG,
Portsmouth
Extension Builder covering Portsmouth
Member since Dec 2023
ID Checked
We are a Building company that specialises in Brick/stone work ,Extensions, new builds, Renovations, hard landscaping and manage all trades to your projects Needs. We offer our clients the opportunity to only need one single point of contact should t...
Based in PO1 3BX,
Portsmouth
Extension Builder covering Portsmouth
Member since Sep 2024
Groves Groundworks is a new business with plenty of experience behind it. I have been in the industry for over 15 years. I am experienced in all aspects of groundworks and landscaping. What I offer is as follows Foundations Extensions Drainage S...
Latest Groundwork Review
"Friendly and efficient service. Very helpful."
Reviewed by Anthony on 22nd Aug 2026Based in PO8 9RS,
Waterlooville
Extension Builder covering Portsmouth
Member since Aug 2026
ID Checked
Nell Developments Ltd is a Portsmouth based construction and property maintenance company working across Hampshire and the surrounding areas. We provide commercial and domestic building services, covering everything from small repairs and reactive m...
Latest Internal Doors Review
"Work was carried out to a high standard in accordance with the detailed quote provided"
Reviewed by Gordon on 12th Aug 2026Based in PO7 3BH,
Waterlooville
Extension Builder covering Portsmouth
Member since Dec 2025
ID Checked
Here at Mtek. We specialise in all aspects of .building .landscaping .patios/ driveways .artificial grass .brickwork .groundworks And much more! With over 10 years in the construction industry we always guarantee a tidy immaculate finish!
Latest Brick / Block Paving Review
"Very good, worked to a high standard"
Reviewed by Tom on 18th Jul 2026Based in PO4 8NL,
Portsmouth
Extension Builder covering Portsmouth
Member since Jun 2026
ID Checked
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All 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.
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