Extension Builders in Newhaven

Name: Extension Builder
Brand: MyBuilder
SKU: extension-builder
Rating: 4 (4 reviews)

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Some of our top rated extension builders in Newhaven

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Clarks Building and Design
Rating: 5 out of 5
Extension Builder in Newhaven
Hi, I have worked since 1986 within the Building industry and all that encompasses, all work Guarantee for complete confidence, fully Insured, references as required, 54 years of hands on experience between me and my son, all photos are our own work not dragged off internet, Pride myself on delivering high quality, cost efficient service, All types and trades of building works covered including blueprint reading and reports, Garden path to a Full design and Build Project, fully versed with all Building Regulations and happy to deal with all local Authority’s on your behalf, No job to big or small, Thank you for taken your time to read. Best Wishes Steve Clark.
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Latest review:
Landscaping- 30 Jun 2026
A great all round process. From the off Steve quoted fairly and gave good suggestions, whilst listening to what we wanted. We did delay the start date for the boys to squeeze in a friend's promised patio, but Steve offered to do an extra for me free of charge to show thanks for accommodating his work schedule. The rip out and then installation process was well thoughtout and delivered very well. Steve explained why certain aspects were the way they are, and he grew to understand my tradesmen background just needed a bit of talking to, which Steve does very well. His son Charlie has an excellent eye for detail and delivered some really lovely touches, without asking for them. An honest, hardworking, personable, and skilled group of tradesmen. I would recommend the team without question. Don't be put off by their 6ft 5 stature, they are really lovely guys that want nothing but for their clients to be happy with their work Thank you Steve, Charlie, and Sid
Kwikfield construction Ltd
Rating: 5 out of 5
Extension Builder in Newhaven
We are a small family run business farther and son, With 40 years experience in the building industry undertaking the full aspect of your construction requirement's. We have been trading for six years growing the company every year, we employ full time staff to give us full continuity within our workforce, we operate our own plant and machinery with our own workshop and yard.
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Cdg surrey limited
Rating: 4.8 out of 5
Extension Builder in Newhaven
We are experienced builders from the ground up with a strong in-house workforce that carry out plastering ,rendering ,brickwork , roofing ,window, door and bifold door installations,conservatory insulated roofs, decoration and all your building requirements from refurbishments to new build and extensions . Established since 2008. We are certified velux window installers and are also Fensa registered and have a government trust mark for endorsed quality . We also provide warranties. We cover sussex and surrey . I personally have lived in Pevensey bay for over 15 years and have carried out many projects locally , We cover the two counties comfortably with our tradesman living in both areas . References are readily available upon request . Give us a try you won't be disappointed ! Please check out our conservatory roof replacement division website site www.ecoroofingse com We have fitted over 1200 new highly insulated roofs . Now with a u value of 0.15 and full building control approval.
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Latest review:
Conservatories- 26 Jun 2026
Excellent, a job well done.
Baldwin Builders
No reviews yet
Extension Builder in Newhaven
Established over 30 years, Baldwin Builders are members of the Federation of Master Builders, certified British Gypsum plasterers and always offer quality assured work from restoration, building work, plastering and property maintenance. We pride ourselves on providing a professional, prompt service right through to the finishing touches, working with you through all stages, to ensure costs are kept within budget. Reliable tradesmen paying attention to your requirements, to achieve your aim.
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Regency Construction
No reviews yet
Extension Builder in Newhaven
Hello, my name is Michael and I own Regency Groundworks, we specialise in groundworks & landscaping, whilst also having a strong background in general building, extensions & steels. I started Regency Groundworks in 2022, taking on smaller domestic work and sub contracting through larger builders. I myself have over 13 years of experience and knowledge with an extensive background in civil engineering, groundworks and general building. We operate a small team of 2-3. Myself, James and we occasionally bring in a labourer when required. We are fully insured, offer labour & installation warranty & product manufacturer warranty. We aim to offer competitive prices, with a professional before and after care service. Our works include: Groundworks & drainage, concrete slabs, footings & RC works, resin surfacing & driveways, general building, landscaping & labour supply. We look forward to discussing your next project with us.
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HillCarp
No reviews yet
Extension Builder in Newhaven
We are a local family run company specializing in carpentry and building services
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Artistra Renovations Ltd
Rating: 4.7 out of 5
Extension Builder in Newhaven
A renovations company that works for you. Hassle free, responsive and experienced. Contact us for all of your building needs.
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Latest review:
Extensions- 17 Aug 2021
Long overdue feedback, the pictures/ decor has changed since below but just wanted to share the feedback. Crew are super, we’re with us through pandemic and worked tirelessly when materials were short and jobs were delayed.. simon is a fair guy, busy but still gives you time to share his creative side. Nothing was too much of a bother. Workmanship is A* and I have huge OCD. I would recommend Simon and team to anyone. And we spent a fair amount of money, everything was reasonable priced with no surprises. With Covid, the whole team were mindful and with a short delay due to restrictions got back on track.. every single one of the team were nice/ hard working and rarely do you find a team that can do the demolition yet have the finesse of the final touches. Sorry for the delay in feedback..
RA Group (Sussex) LTD
No reviews yet
Extension Builder in Newhaven
A well established carpentry construction and garden room business that produces quality work and maintains great relationships with clients before, throughout and after a project is completed.
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N Weston plastering
No reviews yet
Extension Builder in Newhaven
I’ve had my own business of an on for years i love my work I get a lot of satisfaction from it.
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Profix South East
No reviews yet
Extension Builder in Newhaven
With over 35 years mastering every facet of the building trade, we've tackled it all—from high-stakes commercial developments to bespoke private homes, lightning-fast emergency responses to complete, transformative refurbishments. There's hardly a challenge we haven't conquered or a skill we haven't perfected.Our expert team proudly serves the entire South East, fully insured, highly skilled, and always primed for action. Whether it's a minor repair or a major overhaul, we deliver quality craftsmanship with reliability you can trust.Ready to bring your vision to life? Give us a call today and let us handle the rest—your project, professionally fixed!
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G.w brickwork & groundwork
No reviews yet
Extension Builder in Newhaven
I have extensive building experience spanning across 2 decades. My work consists of commercial (universities & stadiums) and residential projects working for a FTSE 250 organisation. I specialise in: -New builds -masonry maintenance (repointing) -patios -extensions and garden walls -feature work such as chimneys, piers & stonework/stone masonry
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CL BRICKWORK LTD
Rating: 5 out of 5
Extension Builder in Newhaven
CL Brickwork LTD - 25 years of experience within all aspects of construction. With amazing communication and work carried out to the industries highest standards we believe we can make any project stress free.
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Latest review:
Bricklaying- 22 Oct 2023
I chose this trader because he was local and responded quickly and politely to my enquiry . He was also able to provide a detailed quote listing all materials and labour charges and the final bill was exactly as agreed. The job started on the day agreed and finished on time, the end result was high quality and I could not have expected better. A team who worked tidily and were thorough in clearing up. Very positively recommended, I would use them again without hesitation.
COLLAKU LONDON LIMITED
No reviews yet
Extension Builder in Newhaven
COLLAKU LONDON LIMITED is a London-based construction company delivering reliable,compliant,and high-quality building services across London and the surrounding areas.We specialised in RC slabs,groundworks,foundations,new builds,loft conversions, and home extensions. We provide homeowners,developers,and commercial clients with trustworthy construction partners across London and throughout the Uk.
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Flowstar
Rating: 5 out of 5
Extension Builder in Newhaven
Hi my name is Ernie, I have over 10 years of experience in plumbing and heating. I undertake all sorts of general plumbing jobs, from changing taps, fitting bathrooms to Full heating from boilers to air source heat pumps.
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Latest review:
Plumbing- 7 Apr 2024
Very pleased. Ernie provided a competitive quote and kept me informed all the way through the process. I needed the job done urgently and he was very flexible and helpful in getting it done. Would recommend him to others and will definitely be asking for his help for future plumbing work.
T Dexter Construction Ltd
No reviews yet
Extension Builder in Newhaven
General Builder. Based in London and the south east
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Southdowns building contractors
No reviews yet
Extension Builder in Newhaven
Building company that undertakes any form of building work, extensions, landscaping, new builds
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Top rated Extension Builders

Our Extension Builders in Newhaven, are rated 4 out of 5 based on 4 reviews from customers like you.

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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 extension builders in Newhaven?

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 Newhaven 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 Newhaven who are available and interested can respond to your post.

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

What are the hourly rates of extension builders in Newhaven?

Before getting started with your extension project, it’s important to have a clear budget in place. On average, extension builders in Newhaven 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 Newhaven extension builders near you on MyBuilder. This allows you to compare what each quote covers and how much your Newhaven home extension project is likely to cost.

Find extension builders in Newhaven with MyBuilder

Hiring the right extension builder in Newhaven 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 Newhaven extension builders. Once your job is live, we’ll share it with home extension builders in Newhaven who can express their interest.

Step 2: Compare different extension builders in Newhaven

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

Step 3: Hire Newhaven extension builders with confidence

After gathering all the information and quotes from your chosen home extension builders in Newhaven, 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.

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

What to ask a Newhaven extension builder before hiring?

Before hiring an extension builder in Newhaven or extension building company in Newhaven, 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 Newhaven?

An extension builder in Newhaven 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 Newhaven 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 Newhaven?

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 Newhaven 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 Newhaven 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 Newhaven

Can an extension builder in Newhaven help with planning permission?

Yes, many extension builders in Newhaven 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 Newhaven handle everything from design to construction?

Many Newhaven 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 Newhaven help with materials and finishes?

Yes, most extension builders in Newhaven 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.