Extension Builders in Newhaven

Name: Extension Builder
Brand: MyBuilder
SKU: extension-builder
Rating: 5 (6 reviews)

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Some of our top rated extension builders in Newhaven

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5m2 limited
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Extension Builder in Newhaven
We are a professional building company covering all aspects of construction - residential and commercial. We differ from other builders as we help our clients with their interior design as we realise this is as important as the build itself as this creates the finished product. High quality workmanship and customer satisfaction are of the upmost importance. Our team take great pride in all they do and work together seamlessly to provide top quality build.
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H&C Brickwork
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Extension Builder in Newhaven
At H&C Brickwork we take pride in offering unbeatable quality and service across Sussex, setting the standard for exceptional brickwork solutions. We have been serving the county for over 31 years and as a team of passionate professionals, we are dedicated to ensuring our clients receive the finest craftsmanship and personalized attention that they deserve. We continuously strive to surpass expectations and leave a lasting impression, making our customers feel confident in choosing us for all their brickwork needs.
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Coaching with JAB
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Extension Builder in Newhaven
Master builder with over 20 years of experience designing high-end custom builds.
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CMC CONSTRUCTION
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Extension Builder in Newhaven
I’m a carpenter by trade. But have been in the business 10+ years. 5 of which working close with another builder and learning most of the trades which I can do to a very high standard.
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MCB CONTRACTING SERVICES LIMITED
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Extension Builder in Newhaven
At MCB Contracting, we take pride in delivering high-quality building, refurbishment, and maintenance services across the South East. With years of hands-on experience in both residential and commercial projects, we bring a professional, detail-driven approach to every job — from small repairs to full property refurbishments. Our team covers all aspects of construction, including: Home extensions & conversions Full refurbishments & fit-outs Brickwork, blockwork & structural alterations Kitchens, bathrooms & flooring Plastering, painting & finishing trades We’re known for our reliability, communication, and quality of workmanship. Every project is managed with care, clear timelines, and transparent pricing — ensuring you get results you can trust. Whether you’re updating your home, improving rental property, or managing a commercial project, MCB Contracting delivers the standard of work you’d expect from a professional, accredited contractor — on time and on budget.
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D C Read Builders & Landscapers
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Extension Builder in Newhaven
I am the owner and chief worker of D C Read Builders & Landscapers of which I have over 30 years experience in the building trade. I am a hardworking, honest individual and I take pride in the work I do, as do my team of tradesmen, most of whom I have been working alongside me for years.
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Jk services south limited
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Extension Builder in Newhaven
We undertake all building work and can supply all trades to complete jobs to a very high standard. We are trust worth and reliable and every job we undertake is done with professionalism and to the best of ours and the customers expectations.
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Sean Sharkey
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Extension Builder in Newhaven
We are a team of reliable and friendly builders, who offer a straight forward, courteous and efficient service. We believe in good time keeping, a clean and tidy environment with minimal disruption. We can build anything from a single bookshelf to a complete extension.
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ROR renovations & build
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Extension Builder in Newhaven
Hi I’m ross and I undertake all aspects of domestic work however small or big the project maybe. I have over 18 years experience in construction now which I use to provide a professional and friendly service to all of my customers.
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Will Clarke
No reviews yet
Extension Builder in Newhaven
Wallis Build LTD - Conering all your building needs across West Sussex. We carry out Extensions, brickwork, Full refurbishments, groundworks, patios, driveways, Electrical, Plumbing, Plastering, Internal/External Decorations.
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Top rated Extension Builders

Our Extension Builders in Newhaven, are rated 5 out of 5 based on 6 reviews from customers like you.

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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.