Describe your job with details to view a tailored list of tradespeople.
Post your job

Builders in Welwyn

Easily find verified Welwyn Builders. Just post your job to get quotes from MyBuilder's Builders in Welwyn.

A builder working on renovating a living room

How it works

Post your job for free

Post your job for free

Tell us about your job, and we’ll alert suitable tradespeople in your area. It’s simple and free.

Tradespeople respond

Tradespeople respond

Once your job is posted, you’ll get responses from interested tradespeople through the website.

Review profiles and choose

Review profiles and choose

Browse profiles, work history, and feedback, then choose who you wish to share your details with.

Some of our top rated builders in Welwyn

3428 Results

Sort by:

  • We are a family business Company that we work to give the best results and to leave the clients always happy . Our experience is over 20 years here and overseas. We undertake all the type of building work such as : Home Renovation /Refurbishments /Extensions / Loft conversions / Roofing/ Driveways/ Decking / Painting and Decorating. Etc We are also part of : Checkatrade , Federation of Master Builders FMB , Trust Mark .

    Get in touch
  • Paradigm Construction Over 30 Years Experience Building Homes 1.New Build 2.Loft Conversions 3.Extensions 4.Flats 5.Garages Gas works Electric works Plumbing Works Structural works All Building Works Undertaken

    Get in touch
  • Our principle services include - Property Refurbishment - Structural Works - Extensions - Roofing - Groundworks - Plumbing Works - Electrical Works - Brick Laying - Street Furniture - Property Conversions - Carpentery Works - Drainage - Strip out & Demolition - Fencing & landscaping - General Building

    Get in touch
  • The most agile and competent renovation company and designer you will ever meet. We do painting, cleaning, renovations, designer and industrial furniture services. Get in touch and schedule a quote.

    Get in touch
  • Builder in Welwyn

    I am good ground worker,painter and gardener

    Get in touch
  • Moss & Mould removal is a specialist cleaning and surface-restoration company delivering premium results with zero compromise. We don’t offer quick cosmetic washes — we carry out deep, professional moss and mould removal that protects your property, extends the life of your roof and restores the original finish of every surface we touch. Our process combines controlled low-pressure cleaning with professional biocidal treatments to safely eliminate moss, algae, lichen and black mould at the root — not just on the surface. The result is a visibly cleaner home that stays cleaner for longer. We work across all roof types, render systems, fascias, soffits, driveways and guttering, providing a complete exterior refresh service with meticulous attention to detail. Every job is carried out with commercial-grade equipment, strict safety standards and a clear, honest approach from start to finish. No rushed work. No hidden costs. No damage-causing pressure washing. Just reliable workmanship, long-lasting results and a reputation built on quality

    Get in touch
  • Builder in Welwyn

    I'm very good in this trade I'm very serious in motivate too work

    Get in touch
  • we are a team of several people, it depends on your needs, we generally make plasterboard walls, ceilings, coffered ceilings, pretty much everything related to plasterboard except plastering

    Get in touch
  • Builder in Welwyn

    We are a luxury interior design studio based in London, we work with developers, investors and homeowners on refurbishment, renovation, flips and staging projects. We aim to add value through design, for a better return on your investment. We help with a range of services such as technical drawing plans, elevations, lighting plans, material selection, FF&E selection and procurement and lastly staging. We believe in the space catering to its target audience and believe in doing our due diligence and research before we design. So if you are a developer, an investor, a builder or a homeowner looking for an interior designer, please reach out!

    Get in touch
  • Builder in Welwyn

    Good price good quality

    Get in touch
  • We have extensive experience in construction industry and provide following services New Build Internal Conversion Refurbishment Extension GRP or Pitched Roof Flooring Loft Conversion General Property Improvements Painting & Decorating Maintenance & Repairs

    Get in touch
  • Builder in Welwyn

    We offer high quality building services in all aspects of groundwork, bricklaying, plastering and rendering, extensions etc. We specialise in paving driveways, patios and decking, bathroom tiling and many others. As a director I have worked in the construction industry for the last 25 years and I have acquired many certificates and tickets which show the experience which we can bring to raise the quality of your homes. All our staff are highly trained and with extensive experience.

    Get in touch
  • We are a company with 10 years of experience in landscaping and building work .

    Get in touch
  • In the world of construction and bespoke carpentry, experience isn’t just an asset—it’s the foundation upon which lasting quality is built. For over three decades, Richard Parker has exemplified this principle, bringing his passion, skill, and unwavering commitment to every project he undertakes. As a master carpenter and general builder, Richard’s career is a testament to the value of traditional craftsmanship, steady innovation, and the importance of family legacy.Comprehensive Services: Carpentry, Joinery, and General Building Richard Parker offers a comprehensive range of services that cover every aspect of domestic and light commercial construction: Bespoke Carpentry: From custom shelving and wardrobes to hand-crafted staircases, doors, and windows, Richard creates pieces that are both beautiful and built to last. Joinery: Precision joinery for both structural and decorative purposes, including timber framing, roof structures, and intricate moldings. Extensions and Renovations: Complete home extensions, loft conversions, and property refurbishments that enhance both space and value. Kitchen and Bathroom Installations: End-to-end service for modernizing and upgrading the most important rooms in your home.

    Get in touch
  • KJC Construction is dedicated to delivering top-notch construction services. We specialise in various areas including drainage, all groundwork, driveways, patios, landscaping, fencing etc. Established several years ago, KJC Construction began with a vision of providing exceptional construction services tailored to client needs. With a small but dedicated team, we focused on delivering reliability and quality, earning a strong reputation in the industry. Over time, our expertise has expanded, enabling us to take on larger projects while maintaining personal attention to every client’s requirements. From humble beginnings, KHJ Construction has grown into a reputable construction service provider, continuously adapting to meet the needs of the industry and our clients. We believe in integrity, quality, and customer satisfaction. At KCJ, we are committed to sustainable practices, ensuring that our work respects the environment. We strive to deliver projects that not only meet client expectations but also contribute positively to the community and the surrounding landscape.

    Get in touch
  • Professional Workers in team

    Get in touch

4.7

Top rated Builders

Our Builders in Welwyn, are rated 4.7 out of 5 based on 178 reviews from customers like you.

Quality screening

Easily find verified local tradespeople. Just post your job to get quotes from tradespeople near you across the UK.

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

If you’re looking for a builder in Welwyn, MyBuilder is here to help with a directory of verified tradespeople that offer a wide range of building services.

Whether you need help with a small building project or a complete home renovation, you can start obtaining quotes from Welwyn building contractors on MyBuilder within a few clicks.

Services offered by Builders in Welwyn include:

  • Home extensions
  • Loft or room conversions
  • Garage installations or repairs
  • Building or repairing garden walls
  • Installing dividing walls
  • Building structures such as annexes or outhouses

Post your job for free on MyBuilder and describe the work you need. Then, builders in Welwyn who are interested will get in touch. Review profiles, see photos of their previous work, read customer feedback, and get quotes, all before deciding who to hire!

What are the hourly rates of builders in Welwyn?

Most builders in Welwyn charge a project fee rather than an hourly rate. For example, average building costs in Welwyn might look like this:

  • A standard home extension could cost around £30,000
  • Building a single garage with a pitched roof may range from £40,000 to £50,000
  • Constructing a new 3-bedroom house can run upwards of £300,000 depending on specifications and location

Project fees are usually defined by various factors, including:

  • The builder’s expertise, location and experience
  • The materials used
  • The size and scope of the project
  • How urgently the work is required

If you want to talk to a building contractor in Welwyn and request a quote, just post your job on MyBuilder today, and let local builders get in touch to discuss the job and how much it may cost.

Find a builder in Welwyn with MyBuilder

Save the scrolling and endless hours of research and let MyBuilder do the heavy lifting when it comes to finding a builder near you. If you need to hire a builder in Welwyn, just follow these simple steps:

Step 1: Post your building job on MyBuilder

Whether you need a small renovation, an extension, or a complete new build, simply post your job on MyBuilder to find building contractors and companies in Welwyn.

Once your job is posted, it will be shared with our directory of MyBuilder verified builders in Welwyn who can express their interest.

Step 2: Compare different builders in Welwyn

When Welwyn builders respond to your job post, take the time to compare their profiles, previous work, and customer reviews.

You can also ask them about their availability and request quotes before making your decision.

Step 3: Hire Welwyn builders with confidence

Now you’ve got the information you need, you can make a confident decision about which building contractor in Welwyn to hire!

On MyBuilder, every Welwyn builder that registers is verified through checks of ID documentation, company details, and skills assessments. This can help to give you peace of mind when hiring a builder for your project.

What to ask a Welwyn builder before hiring?

Hiring a builder is a big step to making your house a home, and before hiring one in Welwyn, it’s important to ask some key questions to help you find the right fit for your project:

What building qualifications do you hold?

Ask your Welwyn builder about any professional memberships or construction-related qualifications they have, such as NVQs or Level 2/3 diplomas in building trades. Proof of their health and safety training, like a CSCS card, is also useful to get.

Will all work comply with building regulations and planning permissions?

Make sure your builder is ready to meet all relevant building regulations and standards in Welwyn, throughout your project. They should explain how they’ll communicate with building control and approvals, too.

Have you completed similar projects in Welwyn before?

Understanding if a builder in Welwyn has worked on projects like yours can give insight into their familiarity with challenges specific to your type of build and location. It’s also quick to view images of a builder’s past works on their MyBuilder profile.

What is the estimated timescale to complete the project?

Ask your Welwyn builder for a detailed schedule. This should include important milestones in your project, like site preparation, foundation completion, structural framing, roofing, installation of utilities, interior finishes, and final inspections.

Do you provide guarantees or warranties for your work? Most building contractors and companies in Welwyn provide warranties covering their workmanship and materials for a specified period, offering reassurance that issues will be addressed post-project.

If you are still unsure on whether a builder is right for you, you can read this detailed guide on how to hire a new build specialist with all the tips and tricks you may need to find the right building professional in Welwyn!

FAQ: Common questions about builders in Welwyn

What types of building projects do you handle in Welwyn?

Builders in Welwyn typically undertake a range of projects, from home extensions and loft conversions to full new builds and renovations. It’s important to confirm that your builder has experience with the kind of work your project requires to ensure a smooth process.

Will you manage the entire building project in Welwyn, including subcontractors and scheduling?

Yes, many builders in Welwyn coordinate the whole project, managing subcontractors and scheduling all phases of work. This allows for streamlined communication and ensures that all trades work together efficiently, reducing delays and misunderstandings.

How do you ensure compliance with Welwyn building regulations and inspections?

A builder in Welwyn should be up to date with building regulations and arrange all necessary inspections and approvals for your project. They manage compliance from start to finish, helping avoid legal or safety issues.

Are building contractors in Welwyn insured?

Welwyn builders should hold public liability insurance and employer liability insurance. This protects you from financial risk should accidents or damage occur during construction.

Can builders in Welwyn provide a clear, detailed quote including materials, labour, and VAT?

A detailed quote breaks down the cost of labour, materials, permits, and other expenses. This transparency allows you to understand where your money is going and helps prevent unexpected costs during the build. It’s important to request a written quote from prospective Welwyn building contractors on MyBuilder before you proceed with hiring.

Other tradespeople in Welwyn

Cities