Extension Builders in Welwyn Garden City

Name: Extension Builder
Brand: MyBuilder
SKU: extension-builder
Rating: 3.9 (16 reviews)

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Some of our top rated extension builders in Welwyn Garden City

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Mag Design & Build
No reviews yet
Extension Builder in Welwyn Garden City
At Mag Design & Build we pride ourselves on quality of work and the finished job. We take on all building work. Free quotes and easy option payment plans make the process simple and easy to work with.
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Nobel LUX LTD
No reviews yet
Extension Builder in Welwyn Garden City
We have 10 years experience in fitting kitchen and furniture for brands as Wren kitchen, Schimdt and other brands furniture and kitchen. As we are doing any extra jobs . We are doing most of the building works. We doing as well extension and refurbishment of your dream house .
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Prime Build Develop Ltd
No reviews yet
Extension Builder in Welwyn Garden City
We are a newly registered Ltd company with 20 years of experience working as subcontractors. Some of our works can be seen in our portfolio. Our latest project is the 2 room and bathroom loft conversion. We do renovation of offices and house interiors, bathroom & kitchen installation, construction of pergolas and terraces, garden houses, extensions, loft conversions. We are based in Essex but we also travel around. Feel free to ask questions and we will provide an approximate quote.
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Icknield Builders Ltd
Rating: 5 out of 5
Extension Builder in Welwyn Garden City
Icknield Builders have been established since 1962 A family owned builder and public works design, build and manage Main contractor whom serve the local community offering a high standard of building services to include: Groundworks ,concrete works ,brickwork ,fencing ,bespoke carpentry and joinery, electrical ,plumbing ,mechanical ,painting and decorating ,hardscaping and landscaping, windows and door (timber, crittle aluminium and UPvc ,All aspects of roofing ,facias and soffits -
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Latest review:
Foundations and outdoor 8x5mtr garden room complete Icknield builders ,fantastic company to work with, everything I asked for was done and more !! lads were lovely and perlite and always on time cannot recommend them enough would not hesitate to use them again .
K2W CONSTRUCTION SERVICES
Rating: 5 out of 5
Extension Builder in Welwyn Garden City
At F2K Construction & Service, we bring several years of experience delivering top-quality Construction services. More than two decades of experience ensure precision, reliability and attention to detail in every project.
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Latest review:
For the past few years K2W company has successfuly carried out a number of major repairs and refurbishments on my Properties to my greatest satisfaction. leaman pourquoi pour moi ?
Reach Perfection
No reviews yet
Extension Builder in Welwyn Garden City
Electrical- painting- bricklayer and most construction work apart from plumbing and generally I am a handy man with 7 years work experience in construction
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David Mario builders
No reviews yet
Extension Builder in Welwyn Garden City
Building Company for all your building needs whether its building to Garden work, Tiling or carpentry. No job too big or small. Get in touch for a quote.
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Perry earth works
No reviews yet
Extension Builder in Welwyn Garden City
No job to small or to big from Clearing to foundations we can do it. The customer comes first always and we value making the customer happy. The main part of our work is is excavations and foundation concrete works but we’re always happy for a challenge and if a customer asks for something a bit different to what we usually do I’m sure we can find a way to make it work.
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Eisa
No reviews yet
Extension Builder in Welwyn Garden City
At PowerPro Contractors your property is our priority.
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SMBuilding Company Limited
Rating: 5 out of 5
Extension Builder in Welwyn Garden City
20+years experience in construction.Working on all types of jobs;large,small and everything in between.Seasoned in extensions,brickwork,renovations,chimney removal,structural work and development,we ensure an exceptional finish. Competitive rates,we have natural drive to get jobs done. These qualities allow us to set out budgets,and time frames,allowing our clients peace of mind. See our about section,and soon you could be relaxing in the knowledge that your job will be done on time and budget.
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Latest review:
Bricklaying- 4 May 2016
Sean was polite, friendly, efficient, clean, tidy and his work was simply the best, I cannot praise Sean's work highly enough, if you want a great tradesman you can trust and someone will do exactly the job you want and more then hire Sean now. Sean is a rare find mark my words HIRE HIM .....
SGB Water Engineering
Rating: 5 out of 5
Extension Builder in Welwyn Garden City
SGB maintain an interactive IT process, to ease transparency and movement of information data, to all parties involved in any one project. We have a combined 25 years professional experience in the civil engineering / construction management. We are experts in water utilities management enabling us to offer a variety of services and solutions in this area.
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Latest review:
Plumbing- 9 Dec 2020
Work completed and problem has been resolved .
Aubrey Construction & Maintenance
New on MyBuilder
Extension Builder in Welwyn Garden City
Welcome to Aubrey Construction and Maintenance, a reliable, family-run building business in Hemel Hempstead. Established in 1989 by Stuart Marum in honour of his late mother, Audrey, With decades of experience we take pride in delivering high quality workmanship and treat every project with care and professionalism no matter the size. Our commitment to detail and customer satisfaction has earned us the trust of homeowners and businesses alike. We continue to build that legacy with every job we undertake.
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A&L Refurbishment UK
No reviews yet
Extension Builder in Welwyn Garden City
Welcome to A&L Refurbishment UK! We specialize in transforming homes across Buckinghamshire, Hertfordshire, and London. From full refurbishments and renovations to extensions and conversions, our team brings your vision to life with quality craftsmanship and attention to detail. Whether you're looking to modernize your space or create more room for your family, A&L Refurbishment UK is here to make your dream home a reality.
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Moss plumbing and Electrical
No reviews yet
Extension Builder in Welwyn Garden City
I have experience at all kind of building working 25 years at building industry.I have experience of big project building houses from ground with our group. I am gas enjeneer and electrical enjeneer I have experience of plumbing ,electrical, carpentry bathroom fitting . Kitchen fitting .repair of boiler and electrical fault finding. I can send you my job profile
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Building&Maintaining
No reviews yet
Extension Builder in Welwyn Garden City
All types of groundworks, plus repairing,painting and decorating properties.
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MARAS BUILDERS
New on MyBuilder
Extension Builder in Welwyn Garden City
At MARAS BUILDERS, we specialise in complete property refurbishments, delivering reliable and high-quality workmanship at very competitive prices. Our services include: Full property refurbishments Painting & decorating Bathroom refurbishment Kitchen refurbishment General building and renovation work Whether you’re looking to completely transform your property or simply refresh a single room, our experienced team is here to help. We take pride in providing professional workmanship, attention to detail, and excellent value for money. MARAS BUILDERS – Quality work, competitive prices, and a finish you can be proud of.
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3.9

Top rated Extension Builders

Our Extension Builders in Welwyn Garden City, are rated 3.9 out of 5 based on 16 reviews from customers like you.

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What types of services are offered by local extension builders in Welwyn Garden City?

Building an extension is a major milestone for any home. It’s not just about adding extra space, it’s a big step that can transform how you live day to day, opening up new possibilities for comfort, lifestyle, and family needs.

This is why it’s so important to find the right extension builders in Welwyn Garden City for you. They can help with a variety of tasks and projects, including:

Extending your home with an extra room
Two+ storey extensions
Adding partition walls to create more rooms
Building annexes or external structures

To find the right extension builder near you, simply post your job on MyBuilder. Explain the type of help you’re looking for, and then home extension builders in Welwyn Garden City who are available and interested can respond to your post.

Browse profiles, read customer reviews and get quotes from your chosen Welwyn Garden City extension builders, all before you decide who to hire.

What are the hourly rates of extension builders in Welwyn Garden City?

Before getting started with your extension project, it’s important to have a clear budget in place. On average, extension builders in Welwyn Garden City will charge between £16 and £42 per hour.

Single-storey rear extensions cost between £20,000 and £60,000 depending on size and finish.
The cost of double-storey extensions, which add more space and value, can range from £100,000 to over £170,000.
Larger wrap-around extensions that combine multiple extension types can range from £40,000 to over £120,000.

The cost of an extension will vary depending on your property. For instance, extending in certain areas may require structural adjustments to ensure stability, which can increase your material and labour costs.

To get an accurate price for your home extension, request detailed quotes from several Welwyn Garden City extension builders near you on MyBuilder. This allows you to compare what each quote covers and how much your Welwyn Garden City home extension project is likely to cost.

Find extension builders in Welwyn Garden City with MyBuilder

Hiring the right extension builder in Welwyn Garden City with MyBuilder couldn’t be easier. Just follow these simple steps:

Step 1: Post your extension project on MyBuilder

Whether you’re planning a single-storey extension, a loft conversion, or adding a new room, post your job on MyBuilder to find local Welwyn Garden City extension builders. Once your job is live, we’ll share it with home extension builders in Welwyn Garden City who can express their interest.

Step 2: Compare different extension builders in Welwyn Garden City

When you start receiving interest, review profiles of local Welwyn Garden City extension builders, check their previous work, and read real customer reviews. Ask about timelines, materials, and request detailed quotes.

Step 3: Hire Welwyn Garden City extension builders with confidence

After gathering all the information and quotes from your chosen home extension builders in Welwyn Garden City, compare their experience, guarantees, and costs before choosing who to hire.

You’ll also have confidence knowing that every tradesperson on MyBuilder is verified through several checks, including:

ID verification: When a tradesperson joins MyBuilder, we ask for a valid ID, such as a passport, ID card, or eIDAS certificate.
Company verification: For tradespeople operating under a company, we make sure every tradesperson has a registered business.

Did you know? Our continuous monitoring and complaints process ensures that tradespeople who don’t meet our standards are promptly removed from MyBuilder’s platform.

Welwyn Garden City extension builders are ready to help. Use MyBuilder today to find the right professional for your home extension.

What to ask a Welwyn Garden City extension builder before hiring?

Before hiring an extension builder in Welwyn Garden City or extension building company in Welwyn Garden City, ask a few key questions to make sure you’re choosing the right professional for your home extension project.

What qualifications and experience do you have as an extension builder in Welwyn Garden City?

An extension builder in Welwyn Garden City should have a strong track record with similar projects and relevant building qualifications or trade memberships, such as the Federation of Master Builders (FMB) or TrustMark.

Will my home extension meet all building regulations and planning requirements?

Your Welwyn Garden City extension builder should ensure the project complies with Building Regulations and, where necessary, handle or assist with planning permissions. Ask how they manage building control inspections and what documentation you’ll receive once the project is complete.

What experience do you have with similar extensions in Welwyn Garden City?

Ask to see examples of their previous work, or view examples of their work on MyBuilder. Ideally projects similar to yours in scale and design. This helps you assess the Welwyn Garden City extension builder’s ability to deliver a result that meets your expectations.

How long will the extension take to complete?

Extension project timelines can vary depending on size, complexity, and weather. A typical single-storey extension might take around 8 - 12 weeks. Request a detailed schedule so you know what to expect and when key milestones will be reached.

Do you offer a guarantee for your work? Most Welwyn Garden City extension builders offer a guarantee or warranty on their work, often between 1 and 10 years depending on the project and materials used. This gives you assurance that any issues will be resolved after completion.

If you still have questions about the professional you are looking to hire, we have a full detailed guide on hiring the right builder here.

FAQ: Common questions about home extensions in Welwyn Garden City

Can an extension builder in Welwyn Garden City help with planning permission?

Yes, many extension builders in Welwyn Garden City can guide you through the planning process. They can help prepare drawings, advise on local requirements, and liaise with your local council to ensure your project meets all necessary regulations.

Can an extension builder in Welwyn Garden City handle everything from design to construction?

Many Welwyn Garden City extension builders offer full design-and-build services, managing both the architectural planning and construction stages. Ask your builder whether they can provide a complete package or if you’ll need to hire an architect or designer separately.

Will an extension builder in Welwyn Garden City help with materials and finishes?

Yes, most extension builders in Welwyn Garden City can source materials and offer advice on finishes that suit your design and budget. You can also choose to supply certain materials yourself, just make sure this is agreed upon before work starts.