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Find an Extension Builder in Portsmouth
Find a local extension builder near you. We have 1,002 trusted and reviewed extension builders in Portsmouth to choose from, based on 606 reviews.
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Extension Builders in Portsmouth
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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
Public liability insurance
All building works undertaken, no job too big or too small. Fast friendly service and all work guaranteed.
Latest Flat Pack Furniture Assembly Review
"Excellent service Wardrobe came exactly as imagined Very professional Will contact again for further works"
Reviewed by Nazarin on 21st Aug 2025Based 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’ve been in business 30 yrs I used to buy and sell properties back in the mid 90s so I have a wealth of experience in the building trade , been recommended this site so I thought I’d give it a go and show my worth
Latest Damp Proofing Review
"Very competent friendly team . Work done to a very high standard , particularly as this is a listed building . I would recommend to others"
Reviewed by Gordon on 15th Dec 2025Based in PO2 8EX,
Portsmouth
Extension Builder covering Portsmouth
Member since Sep 2025
ID Checked
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
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
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
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
Hello and welcome to G2D construction group a company that strives to deliver your dream space to your property with over 15 years of experience with in our trades all off our work is finished to the highest possible standard to ensure a happy custom...
Latest Walls & Pillars Review
"Got straight to the point, no fuss and did the job well."
Reviewed by Rosemary on 23rd Jan 2026Based in PO2 8HU,
Portsmouth
Extension Builder covering Portsmouth
Member since Dec 2025
ID Checked
Hi we are a family run roofing business. All our work done to high standard and all our work is guaranteed and fully insured. Many thanks
Latest Roof Repair Review
"Quick and helpful as quoted, will use again."
Reviewed by Ben on 16th Dec 2025Based in PO10 7QA,
Emsworth
Extension Builder covering Portsmouth
Member since Aug 2024
ID Checked
In the building business for over 4o years, qualifications ,insurance and years of experience.
Latest Stud Wall Review
"Jim was exceptionally helpful, clear, and did a thoroughly good job giving us pointers around the house. Cannot recommend him enough"
Reviewed by Harley on 27th Oct 2025Based in SO19 2DB,
Southampton
Extension Builder covering Portsmouth
Member since Sep 2023
ID Checked
Builder with over 20 years of experience. Fully insured. I cover all of Hampshire. Any brickwork or building undertaken, from garden walls to new builds.
Latest Conservatory Review
"Work completed to a high standard, very tidy on site. Good communications. work completed promptly. Would contact again for future work."
Reviewed by Derek on 6th Oct 2025Based in SO18 4ET,
Southampton
Extension Builder covering Portsmouth
Member since Aug 2025
Public liability insurance
Hi, I am local reliable builder that has been running my own business for the past 5 years! I have a great portfolio with many pictures of jobs i have completed in the past so feel free to ask any questions and see any pictures of what i have done....
Latest General Maintenance Review
"Good work completed to budget and on schedule"
Reviewed by Brian on 1st Apr 2025Based in PO17 6BD,
Southwick
Extension Builder covering Portsmouth
Member since Sep 2024
We are southern based building company Specialising in bathrooms kitchens extensions Plastering K render Spray k render And all aspects of building More pictures to follow and references if needed Thanks for looking Tom
Based in PO6 2RU,
Portsmouth
Extension Builder covering Portsmouth
Member since Mar 2022
ID Checked
Hi there we are a company that work to a very high standard in a building Industry we pride ourselves on our expertise in a wide range of the building industry and r in constant communication with the client to ensure they get the job they r looking...
Based in PO4 8RT,
Southsea
Extension Builder covering Portsmouth
Member since May 2020
ID Checked
TWC Construction Limited is a Construction Company that undertakes in all areas of building, carpentry etc. We undergo work for Councils, MOD and hold Constructionline Gold Membership. We work in the South East Region.
Based in PO5 1DS,
Portsmouth
Extension Builder covering Portsmouth
Member since Apr 2024
ID Checked
Builders Building Work Extensions Offices Commercial Fully Insured
Based in PO5 2DA,
Portsmouth
Extension Builder covering Portsmouth
Member since Mar 2022
OT Services Property Limited is a Hampshire based company offering a wide range of building and reactive maintenance work to the leisure, hospitality, residential care and commercial sectors. We currently work with some of the largest public house an...
Based in PO5 2AS,
Portsmouth
Extension Builder covering Portsmouth
Member since Mar 2024
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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