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Tell us about your job, and we'll alert suitable extension builders in Knebworth. It’s simple and free.
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卡塔尔世界杯亚洲赛程表
Once your job is posted, you'll get responses from interested extension builders through the website.
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Review and choose
Browse profiles, work history, and feedback, then choose who you wish to share your details with.
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Taylor building solutions
103 reviews •100%positive评级Extension Builderworking inKnebworthTrade Member since 2019Thanks for viewing our page if your looking for a friendly family run carpentry and building firm then your at the right place. We undertake all types of work no matter how small an pride ourselves on attention to detail. We specialise in extensions and conversions and haveread more
Latest Conversions - General feedback review:
Reconfigure shed
Dealt with Simon throughout. The whole team are extremely hard working. I am totally satisfied with their work. The job was left clean and tidy. I was kept updated with when the various trade would be attending. The complete job finished...
Bydon_94on28thOct, 2022
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D.J Home Improvements
33 reviews •100%positive评级Extension Builderworking inKnebworthTrade Member since 2018D.J Home Improvements provides reliable and trustworthy service completed to a high level of standards because I believe you don't need to move, Just improve. I have got 18 years experience in the building trade satisfying clients. We are a team that will get your job doneread more
Latest Extensions feedback review:
Kitchen, dinner extension
我们非常满意的工作丹和他的fantastic Team, Dan, Leigh, Micky, Tom have done. I can honestly say there is not one single thing we have been unhappy about. The standard of work is phenomenal. Everyone that has seen...
Bykaren25313on28thJan, 2022
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S D Wager Brickwork and Building Services
80 reviews •100%positive评级Extension Builderworking inKnebworthTrade Member since 2013S.D. Wager are an experienced building contractor trading for over 30 years we always work to a high quality standard and aim to complete jobs on time and on budget. We are a family run business and offer a friendly and personal service to to all our customers. We are alsoread more
Latest Bricklaying feedback review:
Re-build/ stabilise a small brick wall
Really pleased with the job, service and communication. I needed a wall rebuilding quickly as it is at a rented property. Steve came over quickly and quoted a reasonable price. The work was completed on the day he said it would be done....
Bycoophomeson16thNov, 2022
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Nick's Authentic Carpentry and Building
3 reviews •100%positive评级Extension Builderworking inKnebworthTrade Member since 2011We're a new company but have the experience and knowledge of any other company.We're professional, organised, and give our customers what they expect and deserve. Being proud workers and undertaking everything thats thrown at us, Our focus is the job we're on!read more
Latest Carpentry feedback review:
Door easing/ trimming
Highly recommended and friendly carpenter. The job was done within 24 hours of posting. He gave me a time and even called to say he was on his way. Price was very reasonable indeed. Job was done to my total satisfaction with 100%...
Bychris-mon31stAug, 2011
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JDL Construction
2 reviews •100%positive评级Extension Builderworking inKnebworthTrade Member since 2011JDL Construction Limited are a Hertfordshire based building company offering both domestic and commercial services. We specialise in all aspects of construction including Home Extensions, New Builds, Garage Conversions as well as specialist Brickwork Contractors. Ourread more
Latest Conservatories client reference:
Jamie is polite and reliable and does a good clean neat job and I would recommend him to anyone. Jamie has build conservatory bases for us and our customers are always pleased with the outcome. The quality of work is very good . Work is...
Reference taken byMyBuilderon6thJan, 2011
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Michael Biggs
No reviews yetExtension Builderworking inKnebworthTrade Member since 2022Quick, efficient and neat work. Team of two. Can do everything start to finishread more
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Lee Construction Builders Ltd
7 reviews •100%positive评级Extension Builderworking inKnebworthTrade Member since 2008Lee Construction Builders LTD are your local Builders in Stevenage. We offer free quotations and can build your project for a fixed price. All our team are fully qualified and experienced tradesmen that have seen and dealt with every building challenge possible. We have aread more
Latest Bricklaying feedback review:
Brickalying -front wall of the house
Lee has done a very neat job, as good as perfect. I am really pleased with his ideas, suggestions, quote, quality of work. And also very very pleased that he worked around my strict deadline. Definitely going to call him for any other...
Byanon-230112001504483037on26thMay, 2016
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Maytrix Construction Limited
2 reviews •100%positive评级Extension Builderworking inKnebworthTrade Member since 2013Maytrix Construction Ltd was formed in 2012, our management team and key staff has over 90 years of combined experience delivering high end construction projects, so you can be confident that our unique blend of expertise and experience means we deliver schemes to the exactread more
Latest New Builds client reference:
New build brickwork and block work done on budget and on time. Workmanship excellent. Maytrix kept me informed on progress and were very helpful tradesmen who were always on time.
Reference taken byMyBuilderon28thJan, 2013
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Taurito建筑商
5 reviews •80%positive评级Extension Builderworking inKnebworthTrade Member since 2022We are a Family run Building company that specialise in Full House Renovations, Extension, Garage Conversions, Kitchens & Bathrooms as well as Painting & Decorating!read more
Latest Bathroom Fitting feedback review:
New bathroom & cloakroom fitting
Absolute crap. Do not hire unless you want your house to look like crap. Has no clue about anything. Never takes any responsibility of any of his staff he hires. I’ve had tools stolen. Wasted so much money buying materials half of which...
Byanhar35186on10thDec, 2022
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Imperium Build
No reviews yetExtension Builderworking inKnebworthTrade Member since 2019Bricklayer for 26 years doing my own building work for last 12 years extension new builds al aspects of building start to finish,paving patios.internal steel worksread more
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Landmarx
2 reviews •100%positive评级Extension Builderworking inKnebworthTrade Member since 2017Small friendly family run business with over 30 years construction and refurbishment experience. We offer all types of building services wether it is a small maintenance job to a new build . We work on commercial and residential buildings. We also provide project managementread more
Latest Kitchen Fitting client reference:
Keith has helped design and fit our kitchen/utility room. Has re felted the flat roof on my garage and extension. He is currently fitting all my doors, skirtings and door linings. He boarded up and plastered doors where we have removed...
Reference taken byMyBuilderon13thFeb, 2017
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DMS Home & Gardens Ltd
No reviews yetExtension Builderworking inKnebworthTrade Member since 2017Covering all aspects of building work from groundworks up to roofing, alterations, renovations, conversions, Landscaping & property maintenance. I am a reliable builder/tradesman, who is professional, tidy and committed to ensure your project runs as smoothly asread more
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N.N2 GENERAL BUILDING
No reviews yetExtension Builderworking inKnebworthTrade Member since 2022General building. EXTENSION, LOFT CONVERSION,GARDENS DESIGN,KITCHEN, BATHROOM, ROOFING,PLASTER &RENDERING, DECORATING, DRIVEWAY, PLUMBING, ELECTRICITY...read more
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The Datchworth Group
31 reviews •97%positive评级Extension Builderworking inKnebworthTrade Member since 2018Yates Home Improvements & The Datchworth Group, are sister companies, that together achieve a wide range of construction projects. whether you wish for an extension or loft conversion to a new construction building, we can complete the project from start to finish. Allread more
Latest Plastering feedback review:
Plaster the bathroom
Fast, well priced and good enough.
Bycasadeltgon15thSep, 2021
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C Jennings Building
No reviews yetExtension Builderworking inKnebworthTrade Member since 2021We are a building company based in Hertfordshire. We carry out general building work including steel installations, building & garage conversions, extensions and new build garages.read more
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DJ Cox Building Services Ltd
No reviews yetExtension Builderworking inKnebworthTrade Member since 2019All building work, extensions, loft conversions, electrics, plumbing, plastering, bricklaying, patios, drives, bathroom & kitchen fitting, fencing.read more
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Mc Donald Ltd
No reviews yetExtension Builderworking inKnebworthTrade Member since 2020Mc Donald offer a wide range of services that cover the entire project. From concept to completion. Our wide range of capabilities means you’ll always have our in-depth expertise, experience and know-how at your disposal. By providing every service under one roof, Mcread more
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Bennett's restoration
No reviews yetExtension Builderworking inKnebworthTrade Member since 2023We are a family run business with over 20years experience we pride ourselves on our work and have a passion for making our clients happyread more
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LC Construction
No reviews yetExtension Builderworking inKnebworthTrade Member since 2019I have been running my own building and construction business for approx 30 years, with over 35 years of industry experience. I am a fully skilled carpenter by trade but have vast amounts of knowledge and experience in all aspects of building and construction works. Theread more
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J.S Building
No reviews yetExtension Builderworking inKnebworthTrade Member since 2016你好,我的名字詹姆斯ive been in the building trade for the past 12 years. I specialise in extensions, patios and drive ways. I have managed to build up quite a portfolio of jobs i have either managed or completed myself for other companies i have worked for but now i amread more
What can extension builders do?
MyBuilder is the simplest way to find a reviewed and vetted extension in your local area. We can connect you with local extension builders near you, so you can choose the ideal tradesperson for your project with confidence.
Whether your plans are big or small, we can help you find a skilled extension builder to support you with your job. Your contact details are only shared with tradespeople you want to speak to, so you can check out their credentials, read honest customer reviews and get free quotes to compare.
There are lots of jobs that extension builders can help with, including:
- Extending your home with an extra room
- Two+ storey extensions
- Adding partition walls to create more rooms
- Building annexes or external structures
Top Extension Builder Reviews
Extension Builders working near Knebworth in Hertfordshire have an average review score of99% positive based on 3,395 homeowner reviews.
Trusted by experts
Don’t just take our word for it, homeowners love MyBuilder too. We’re proud to be rated by Mumsnet.
Towns near Knebworth
- Welwyn
- Stevenage
- Welwyn Garden City
- Hertford
- Hitchin
- Hatfield
- Ware
- Harpenden
- Letchworth Garden City
- St Albans
- Hoddesdon
- Luton
- Buntingford
- Baldock
- Potters Bar
- Much Hadham
- Broxbourne
- Arlesey
- Henlow
- Waltham Cross
- Radlett
- Shefford
- Waltham Abbey
- Harlow
- Sawbridgeworth
- Barnet
- Abbots Langley
- Enfield
- 伯翰姆伍德
- Hemel Hempstead
Knebworth areas
- Woolmer Green
- Mardleybury
- Deard's End
- Datchworth
- Datchworth Green
- Gover's Green
- Painter's Green
- Raffin Green
- Old Knebworth
Other trades in Knebworth
- Architectural Designers
- Bathroom Fitters
- Bricklayers
- Carpenters & Joiners
- Carpet & Lino Fitters
- Chimney & Fireplace Specialists
- Conservatory Installers
- Conversion Specialists
- Damp Proofing Specialists
- Decking Specialists
- Demolition Specialists
- Driveway Pavers
- Electricians
- Extension Builders
- Fascias & Soffits Specialists
- Fencers
- Flooring Fitters
- Gardeners
- Gas Engineers
- Groundworkers
- Guttering Installers
- Handymen
- Heating Engineers
- Insulation Installers
- Kitchen Fitters
- Landscape Gardeners
- Locksmiths
- 阁楼转换专家
- New Home Builders
- Painters & Decorators
- Plasterers
- Plumbers
- Repointing Specialists
- Restoration & Refurb Specialists
- Roofers
- Security System Installers
- Stonemasons
- Tarmac Driveway Specialists
- Tilers
- Tree Surgeons
- Waste Clearance Specialists
- Window & Door Fitters
- All Builders
- All Tradespeople
Ask an Extension Builder
Our vetted professionals answer your home improvement questions
- Idea of cost for second floor extension only
- Conservatory or extension
- Tying in to existing brickwork/ continuous cavity in new + old walls
- Hi, what is the basic prize of an extension per sq m ? what does it include ? how do you know if the tradesman chosen doesn't over charge you? and how to you pay the job before or end of the work .