Extension Builders in West Sussex

Name: Extension Builder
Brand: MyBuilder
SKU: extension-builder
Rating: 4.4 (7 reviews)

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

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Some of our top rated extension builders in West Sussex

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BAYTREE RENOVATIONS LTD
Rating: 5 out of 5
Extension Builder in West Sussex
Baytree Renovations offer a professional multi skilled team and friendly service. Specialising in creating extra space in and around your home, we offer a complete service from design assistance to the build and sign off for extensions, new or replacement Conservatories and Orangeries, including fully insulated warm roofs as well as refurbishment projects. NICEIC registered Electricians, we are also Certass registered for windows and doors. We are pleased to offer insurance backed protection.
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Latest review:
Conservatories- 4 Oct 2018
Chris was very helpful with good advice.unfortunatly.we decided not to progress with the work . Nothing to do with Chris who I would recommend I pressdee
Lee osborn
No reviews yet
Extension Builder in West Sussex
30 years experience- bricklaying from doing gardens walks to house building. Etc Clean honest precise every job completed is favorable to my customers
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Ben Jack Construction Limited
No reviews yet
Extension Builder in West Sussex
We have 20 years experience in all aspects of construction from bathroom and kitchen refurbishments to extensions and all others in-between. Our work is carried out to a very high standard and in a very clean, tidy and methodical manner. We always strive to ensure that the job is dealt with professionally from start to finish and that we always liaise with the customer throughout their project. Please contact us for free quotation.
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Laker Brickwork & Construction
No reviews yet
Extension Builder in West Sussex
We are a local building company who prides ourselves on quality workmanship and customer satisfaction. We specialise in brickwork, stonework, extensions and new builds.
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JPW carpentry
Rating: 5 out of 5
Extension Builder in West Sussex
Hi everyone, I’m a carpenter based in Chichester. Happy to travel. We take on all aspects of carpentry works and also landscaping, before training as a carpenter I had a landscaping business doing fencing, deckings etc so happy to take on those landscaping jobs too👍 follow us on Instagram Facebook and tiktok to see our work: @jpwcarpentry
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Latest review:
Hard Flooring- 18 Jan 2026
Great job from Joe and James. Replaced carpet with wood flooring and always found solutions to problems encountered along the way.
Creative interior projects limited
No reviews yet
Extension Builder in West Sussex
Hi, welcome to CIP
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Bradstone Developments
No reviews yet
Extension Builder in West Sussex
Bradstone Developments are an experienced construction company carrying out quality property renovations including home extensions, loft conversions, kitchens, bathrooms, driveways, patios and more. Contact us today for a free, no obligation quote or visit our website for a full list of services.
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7SB ROOFERS & BUILDERS LTD
Rating: 5 out of 5
Extension Builder in West Sussex
At all seasons builders and roofers we are a family run company. With a passion for bespoke loft conversions extensions and landscaping. Inspired by traditional craftsmanship. We cut every roof by hand. Ensuring a truly tailored finish. Friendly,reliable,and always on hand with expert advice. We bring dedication to every structural or planning challenge. Let us help you transform your home
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Latest review:
Sam was very professional. On time and did everything to a high standard.
Artistra Renovations Ltd
Rating: 4.7 out of 5
Extension Builder in West Sussex
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..
Refurb Superb
Rating: 4 out of 5
Extension Builder in West Sussex
Refurb Superb is focused on providing high quality building and maintenance services in and around the west Sussex area and aim to bring a professional and reliable service with a personal touch.
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Latest review:
Conversions - General- 2 Dec 2016
These guys are a find! A very professional and reliable team delivering to high standards at a reasonable price. We hired Refurb Superb to convert our garage into a third bedroom and couldn't be happier with how it's turned out. Work started on time, delivered on budget, completed ahead of schedule and communication was great throughout the project. Just as important is that these are decent trustworthy builders that I was happy to have a key to my front door. I'd have no problem recommending these guys to anyone and will certainly have them back if I need them.
Complete Carpentry & Maintenance Ltd
Rating: 4.7 out of 5
Extension Builder in West Sussex
Complete is a multi-award winning construction company that offers a turnkey service whilst ensuring the highest standards and work practices are maintained . Respecting you and your home, we are not your ‘typical’ builders! As a team we have more than 100+ years combined experience, this knowledge is used to ensure a stress free process, our experience helps to eliminate any hidden surprises. 150+ Testimonials online and accredited by FMB & Trading standards.
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Latest review:
Carpentry- 31 Aug 2024
The units are in great condition and still function well. I receive positive comments on the units from others. They are a good storage solution for tight spaces and look very neat and tidy. Thank you
Ava Solutions
Rating: 5 out of 5
Extension Builder in West Sussex
Ava solutions is a plumbing and property specialist that offers high standards we have a dedicated plumbing team along with other tradesmen to fulfil your requirements around the house from refurbishments to extensions and HMO’s. Bathrooms are our specialty and where we started out and have a dedicated fitting team. All works are carried out by individual professionals in there field, and not a one man does all giving you the best possible Finnish. We are able to offer plenty more reviews and pics via other sites/socials
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Latest review:
Bathroom Fitting- 21 Aug 2019
Love my new bathroom. Bretts team were helpful and polite. Would recommend Brett and employ him and his team again if needed.
Jake Fitzpatrick
No reviews yet
Extension Builder in West Sussex
I am a bricklaying improver based in Arundel with 3 years of experience 1 year of domestic and 2 years of commercial site work, my qualifications include a level 3 technical “general onsite construction t-level” with an occupational specialism of brickwork, I also hold a valid construction skills and certification scheme card which includes a CITB health safety and environment test. As I am still working towards gaining more experience I will be offering services at a reduced price, however I can assure customers that my quality of work will be indistinguishable to that of others in this field. Im willing to undertake any jobs including brickwork, groundwork’s and extensions.
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Traditional builders
Rating: 5 out of 5
Extension Builder in West Sussex
Hi there, if you’re looking for highly skilled workmanship and a reliable workforce then look no further. We undertake Extensions, Ground Works, Drainage, Sewage treatment plants, All aspects of bricklaying And landscaping
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Latest review:
Groundwork & Foundations- 26 Sep 2025
The team maintained excellent communication throughout. They provided a clear and accurate quote, and were exceptionally polite, prompt, and professional. When it came to the work itself, they were clearly experienced and highly knowledgeable about what they were dealing with. They delivered exactly what I needed—efficient, reliable, and completely hassle-free. Highly recommended.
R and L carpentry and construction
Rating: 5 out of 5
Extension Builder in West Sussex
Hi I’m Ryan from R&L carpentry.. I frequently get told I’m a methodical person when working.. Im definitely very OCD.. I won’t bodge something even if you ask me to.. i also like to discuss options and try to help make the best job which works for your budget but also a top notch finish
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Latest review:
Kitchen Fitting- 7 Apr 2026
Ryan was great and really knowledgable. Installed the cupboards and worktops exactly as we needed. Highly recommend.
D&D building services
No reviews yet
Extension Builder in West Sussex
Hi, Im a general builder. Ive worked on multiple high end builds mainly in surrey and leatherhead. Im very comfortable with carpentry, roofing, blockwork, structural alterations and etc. My priority is to make sure I constantly carry out all work to the highest standard possible, to ensure the customer is satisfied, to ensure whether im working inside a finished home or inside a building site, that i keep a clean working area not only for my safety but others around me to. Thanks Diogo
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4.4

Top rated Extension Builders

Our Extension Builders in West Sussex, are rated 4.4 out of 5 based on 7 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 West Sussex?

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 West Sussex 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 West Sussex who are available and interested can respond to your post.

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

What are the hourly rates of extension builders in West Sussex?

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

Find extension builders in West Sussex with MyBuilder

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

Step 2: Compare different extension builders in West Sussex

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

Step 3: Hire West Sussex extension builders with confidence

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

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

What to ask a West Sussex extension builder before hiring?

Before hiring an extension builder in West Sussex or extension building company in West Sussex, 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 West Sussex?

An extension builder in West Sussex 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 West Sussex 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 West Sussex?

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 West Sussex 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 West Sussex 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 West Sussex

Can an extension builder in West Sussex help with planning permission?

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

Many West Sussex 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 West Sussex help with materials and finishes?

Yes, most extension builders in West Sussex 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.