Builders in Welwyn

Name: Builder
Brand: MyBuilder
SKU: builder
Rating: 4.6 (176 reviews)

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Some of our top rated builders in Welwyn

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ZaxBuildingServices
Rating: 4 out of 5
Builder in Welwyn
I specialise in all aspects of brickwork, whether it be extensions, garden walls, repointing (including heritage / lime work) & also landscaping. I also cover other aspects of building including patios, fencing & decorating. Reliable, clean & polite.
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Latest review:
Bricklaying- 25 May 2026
Brilliant job done by Zack, he was on time every day, polite and did a great job of building my new steps with handrail, repairs to the brickwork around my home and extending some steps that were already in situ, he also gave good advice on materials and made sure I was happy with the choice, he has provided me some great designs for landscaping my garden and I will definately be using Zack again.
SBM Construction
No reviews yet
Builder in Welwyn
Having the heritage of a family business, SBM Construction offers 25 years of experience to Private home owners, Landlords, Developers and main contractors of our services. Fully qualified in our specialist field of brickwork, Masonry and structural applications, we build everything from extensions to garden walls. • Fully insured / Public Liability. • Repairs and Insurance work is welcomed.
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AJ services
No reviews yet
Builder in Welwyn
Hi, my names Amir iv been working in the building industry with my father for many years and have gained a-lot of experience. Always looked after our clients and its a huge pleasure to me and my team to be working in this industry. I am dedicated to provide the best customer service to all clients and hand in the highest quality work. Have been in this industry over 20years and all jobs have been handled with care and most of our clients are satisfied and happy, let us handle all your problems and stress and il guarantee you that you well be happy at the end of the completion. Please don't hesitate to ask any questions il do my beat to be helpful as much as i can.
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AA UK Building Services Limited
No reviews yet
Builder in Welwyn
We are experienced qualified builders with over 16 years experience in construction, electrical and plumbing services. Offering an extensive range of services to meet all your needs at a high level of quality and at competitive prices. We offer no obligation quotes and advice for all your building needs.
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Deluxe contractors ltd
No reviews yet
Builder in Welwyn
We assist clients in an array of repairs from a kitchen door to a full extension. Our team consists of skilled electricians, roofers, plumbers, glaziers, experienced builders and more. Deluxe service Deluxe quality Reasonable prices
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Osda Construction
No reviews yet
Builder in Welwyn
OSDA construction is dedicated basement specialist service with over 35 years in construction. We are diligent, hardworking and look forward to constructing and building your new home. With services that cover but are not limited to the following: * Underpinning * Basements * Formwork * Steel Fixings * Groundworks * Drainage * Swimming Pools * All Associated Concrete Works
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D&mo construction ltd
No reviews yet
Builder in Welwyn
Hi my name is Dorian and I do painting and decorating, I'm very professional in this job, in evry house I paint the costumer is oules happy
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Building services 4U LTD
No reviews yet
Builder in Welwyn
professional builders. on the market for over 20 yrs. we work any where in London and around it. we do any type of building work including bathrooms kitchens extensions etc. we as a builders are very flexible with the costumer. costumer always comes in the first place and try our best to keep him happy. we also work with other big branches like Wickes and B&Q. on electrical side we have a team of electrician that works on site every day so we are looking to extend ourselves a little. very capable team of builders and electricians.
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High tech process Ltd
No reviews yet
Builder in Welwyn
I am an qualified electrician with 35 years experience. Commercial and domestic, Three phase and single phase. Able to build complete industrial control panel conventional and PLC control. Domestic complete rewinding and alterations. Latest level 3 BS 7671:2018
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J.NAKO CONSTRUCTION COMPANY.LTD
New on MyBuilder
Builder in Welwyn
Professional carpentry services completed to the highest standard with attention to detail. Reliable, hardworking and committed to ensuring every customer is fully satisfied with the finished result.
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S-TIB CONSTRUCTION LIMITED
No reviews yet
Builder in Welwyn
With 20+ years of comprehensive experience operating across the UK and Continental Europe, we stand as a cornerstone of quality in the construction sector. Our long-standing history is built on a commitment to safety, efficiency, and successful project delivery, ensuring our clients receive top-tier service backed by unparalleled international knowledge.
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JIMGOS Maintenance LTD
Rating: 4.4 out of 5
Builder in Welwyn
Jimgos Maintenance Ltd is a London-based property maintenance company delivering reliable, high-quality services across a wide range of trades. We specialise in residential and rental property works, supporting homeowners, landlords, and managing agents with both reactive and planned maintenance. * Gas & heating – boiler installations, servicing, gas safety certificates (CP12), heating system repairs * Plumbing – leak detection, pipework repairs, bathroom installations, drainage solutions * General building & refurbishment – tiling, plastering, painting & decorating, kitchen and bathroom upgrades We understand the importance of compliance, safety, and clear communication, especially when working within tenanted properties. Our team ensures all work is carried out in line with current UK regulations and industry standards.
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Latest review:
Plumbing- 23 Jun 2026
Was sent all the information about the job and did not give a complete quote, and there was an added charge for the materials used. - Quote was paid Also did not communicate that they were going to be later than the window given for their arrival time
Carry on laying
No reviews yet
Builder in Welwyn
My name is John,I’m 43 and live in Watford I have been bricklaying/landscaping for 23 years now. I have a good friendly team of professional tradesmen who are reliable and very hard working Over the years we have been involved various small and large projects,varying from garden works to new builds.we are also lucky enough to have been part of a number of film and media projects 🎥 We love what we do and always compete jobs to a high standard,we take great pride in every job we are lucky enough to be involved in
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Regen fm ltd
No reviews yet
Builder in Welwyn
We are a commercial and residential facilities management company We cover the following services; All statutory compliance under service agreements, commercial and residential: L8 water treatment Fire alarm systems Smoke vent systems Sprinkler systems Emergency light systems With/without service agreements commercial and residential: All electrical installation, repairs, maintenance, EICR and fixed wiring etc insepection/certification All heating system installation, modifications, repairs, maintenance All gas installations, repairs, maintenance and gas safety certification HIU install, repairs and servicing MVHR installation, repairs, servicing and certification BMS modifications, install, servicing AC install, servicing, maintenance and certification AHU modifications, servicing, maintenance Chiller unit modifications, install and maintenance Residential glazing Loft conversions Extensions Commercial cleaning Pest control And more... We provide only award winning engineers and contractors that do not cut corners and get the job done first time and right with no comebacks
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Sajmon Paczkowski
No reviews yet
Builder in Welwyn
I have been working for 8 years in the painting and decorating industry where i had to paint and re decorate customers houses with 100% satisfaction from my side and their side, my area where i can work is mainly around london but i can also consider jobs that are a bit further, painting and decorating is my strongest attribute but i can also do other jobs like laminate flooring drop ceilings etc. Im very punctual honest and i take big pride in the work that i do
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Ciprian Bunea
No reviews yet
Builder in Welwyn
Restoration Specialist. I’m repairing any kind of wooden windows and doors with the last technology of timber repair care. I’m also certified by Repair Care International and Fensa . I will bring back to life any damaged windows and doors. I replace glass, change sash cords, weights, pulleys. Drought proof for any type of windows and doors.
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4.6

Top rated Builders

Our Builders in Welwyn, are rated 4.6 out of 5 based on 176 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.