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Find an Extension Builder in Harpenden
Find a local extension builder near you. We have 5,315 trusted and reviewed extension builders in Harpenden to choose from, based on 2,133 reviews.
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Extension Builders in Harpenden
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Small building contractor, patios, driveways, landscaping, garage and shed bases, painting and decorating. Based in Herts.
Latest Concrete Base Review
"Polite, respectful, experienced and skilful. Great tradespeople who I will use in the future for many varied tasks and projects."
Reviewed by Richard on 12th Aug 2025Based in AL1 5ST,
Saint Albans
Extension Builder covering Harpenden
Member since Jul 2025
ID Checked
Ex site manager with a lot of experience in build and technical. Very well informed in regards to building control. No job too small, please get in touch to see how I can help bring your project to life.
Latest Builder Review
"This is the second time I’ve used Oz and I’m delighted with the quality of the work. Oz has a wealth of experience and knows how to do things properly. He really cares about the quality of his work, and is a great problem solver a..."
Reviewed by Jerry morris on 19th May 2025Based in LU1 5LG,
Luton
Extension Builder covering Harpenden
Member since May 2024
ID Checked
Welcome to Edward Construction, your trusted driveway contractors based in the heart of South Hornchurch. We proudly serve the vibrant community of Havering, London, with our expert driveway services. Our team is dedicated to transforming your outdoo...
Latest Floor Tiling Review
"Conducted the job, quickly and thoroughly and to expectation. Kept informed through every step of the way. Would recommend for future work."
Reviewed by Jamie on 14th Apr 2025Based in AL10 9GS,
Hatfield
Extension Builder covering Harpenden
Member since Feb 2025
ID Checked
Our professionalism and high standards speak for themselves. Priding ourselves on attention to detail and customer service, we will stride to exceed your expectations. 30+ years' experience. Insurance work undertaken; public liability covered. A...
Based in AL5 2JN,
Harpenden
Extension Builder covering Harpenden
Member since Oct 2022
ID Checked
Father and son building company 40 years experience no job too big or small free no obligation quotes look forward to hearing from you
Based in AL5 4PA,
Harpenden
Extension Builder covering Harpenden
Member since Jan 2025
ID Checked
over 10 year experience Builder with competitive price! we do Interior desige, Extension, Renovation, Loft conversion, Landscape. Pavement, New Build
Based in AL5 4PB,
Harpenden
Extension Builder covering Harpenden
Member since Jul 2021
ID Checked
At BridgePoint Builders Network, we take pride in ensuring all work gets completed to a high standard, maintaining customer satisfaction, this is done by our connections with outstanding local tradesman, Allow us to take away the hassle and uncertai...
Latest Extension Review
"They did excellent job and they were very honest and professional in doing their job. I am glad of appointing them and I wish the very success for this company."
Reviewed by Raad on 2nd Sep 2025Based in IG10 2NW,
Loughton
Extension Builder covering Harpenden
Member since Jul 2025
ID Checked
2Rok cons is a dynamic and experienced team, committed to providing excellence in general building and constructions, lateral thinking and innovation solutions to our clients. With a portfolio covering a wide range of construction projects, we are pr...
Latest Builder Review
"2Rok cons ltd has just finished creating our dream Kitchen. From our first meeting to finishing the project, they listened to what we wanted and gave us design and material guidance for our kitchen extension. We are very fussy wit..."
Reviewed by Craig on 27th Jul 2025Based in WD7 7LW,
Radlett
Extension Builder covering Harpenden
Member since Nov 2023
ID Checked
Hi , I am working on construction from 25 years, I have a team of 5 people, all together we can perform any work in construction, is doesn’t matter if is inside or outside of the house, we a located in Hemel Hempstead.each one we have 2,3 qualificati...
Latest Bricklayer Review
"Very pleased with work"
Reviewed by Isy on 30th Jun 2025Based in HP3 8PD,
Hemel Hempstead
Extension Builder covering Harpenden
Member since Mar 2025
ID Checked
More then a decade of experience in uk domestic building i am a excelent carpenter and I have big experience in roofing (pich roof flat roof etc) good skill in painting,tiling,plastering,drylining etc We are a complete team with including all the spe...
Latest Log Cabins / Timber Framed Building Review
"A fantastic and amazing friendly customer care and service , together with a very perfessional 100 % 100% craftsmanship, very reliable delivered on his work ,I will be using his services again,I will be highly recommending his s..."
Reviewed by David on 26th May 2025Based in HA5 4HR,
Pinner
Extension Builder covering Harpenden
Member since Mar 2023
ID Checked
We are a small family business and have over 40 years experience We carry out work in Herts Beds Bucks We carry out Fencing and Gates Repairs and Renewals External/Internal Repairs and Decorating We are fully insured and our inspections quotes and ad...
Latest Chimney Building / Repair Review
"Very happy, will definitely use Gary again."
Reviewed by Rita on 14th Apr 2025Based in HA8 6SD,
Edgware
Extension Builder covering Harpenden
Member since Mar 2025
Public liability insurance
Based in Chalfont St Giles, Tommy Custom Builds are your trusted local experts for all things building and renovation. From extensions and refurbishments to new builds and outdoor projects, we bring quality craftsmanship and a hands-on approach to ev...
Latest Builder Review
"On time, to spec exactly what we needed. No fuss or hassle. 5/5 job."
Reviewed by Matthew Niyazi on 26th Mar 2025Based in HP8 4RA,
Chalfont Saint Giles
Extension Builder covering Harpenden
Member since Nov 2024
Public liability insurance
18 years in the building game, I work in various locations mostly being , Luton, St Albans,harpenden,Milton Keynes, I am a bricklayer by trade but multiple sorts of work undertaken.
Latest Brick / Block Paving Review
"Excellent, professional service - great work. Very polite, respectful and considerate. A pleasure to have Ross working at my home."
Reviewed by Allison on 19th Mar 2025Based in LU2 8AA,
Luton
Extension Builder covering Harpenden
Member since Nov 2024
ID Checked
Brother construction is truly trustworthy team to build up your dream houses. We do all kind of work Extensions Loft conversions Bathrooms renovation Plastering Skimming Painting Roofing Electric Feel free to conact with us Free qoutes also availa...
Latest Extension Review
"They completed the job as promised and I was satisfied with their work."
Reviewed by Nadira on 18th Mar 2025Based in UB4 0BZ,
Hayes
Extension Builder covering Harpenden
Member since May 2024
ID Checked
♻️ ADS WASTE MANAGEMENT ♻️ ADS strive to deliver very high standards to the work we provide as well as the customers satisfaction. We are very comparable with our prices. We will 100% quote match within reason. ????FACILITY MANAGEMENT ????...
Based in AL3 6EU,
St Albans
Extension Builder covering Harpenden
Member since Oct 2020
Our Customers will always come first! Prestige Renovations is a well established building company that has built up an enviable reputation in the local area. We pride ourselves on our commitment to provide a professional and speedy service at all tim...
Based in AL3 6PQ,
St Albans
Extension Builder covering Harpenden
Member since Aug 2022
ID Checked
A high class builder serving the 3 home counties specialing in extensions, renovations, loft conversions, kitchens and bathrooms, garden rooms
Based in AL5 4RA,
Harpenden
Extension Builder covering Harpenden
Member since Jan 2024
Anything regarding bulder works as assistant. I'do plaster board, roof tiles etc
Based in AL5 5FE,
Harpenden
Extension Builder covering Harpenden
Member since Jul 2025
Established general builder of 26 years, experienced in all refurbishment and extension and alteration projects. We have an eye for detail and can execute a great finish. A wealth of references are available.
Based in AL5 1EX,
Harpenden
Extension Builder covering Harpenden
Member since Oct 2023
ID Checked
We are a Hertfordshire & Bedfordshire based construction company working in the local area for over 100 years, now in our 4th generation! We undertake our own developments as well as contract work for clients. We have a diverse portfolio of completed...
Based in AL4 8EE,
Wheathampstead
Extension Builder covering Harpenden
Member since Jul 2023
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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