Extension Builders in Cranbrook, South East England

Name: Extension Builder
Brand: MyBuilder
SKU: extension-builder
Rating: 2.3 (3 reviews)

Easily find verified Cranbrook, South East England Extension Builders. Just post your job to get quotes from MyBuilder's Extension Builders in Cranbrook, South East England.

Select a service

How it works

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

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

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 extension builders in Cranbrook, South East England

490 Results

Sort by:

McKees Design and Build
Rating: 5 out of 5
Extension Builder in Cranbrook, South East England
McKees Design & Build is a family run business with over 25 years experience in creating beautiful functional spaces that you will enjoy for years to come. Our dedicated team specialises in a wide range of services, including kitchen and bathroom refurbishments, stunning extensions, and seamless garage and loft conversions. We also offer expert painting and decorating as well as outdoor services like paving and fencing. We take pride in our attention to detail and dedication to customer satisfaction, ensuring a smooth and enjoyable refurbishment process from start to finish.
Get in touch
Latest review:
Bathroom Fitting- 13 May 2026
Very well. Identified the problem quickly and completed the job same week. Would use him again.
Walkers Refurbishments
No reviews yet
Extension Builder in Cranbrook, South East England
I carry out full refurbishment projects, kitchen and bathroom installations, electrical work as I’m fully qualified electrical contractor NICEIC registered. I have a full tool kit of professional tools to carry out the work. I can work with budgets, trustworthy and reliable contractor have around 15 years experience. Have a good track record of satisfied customers just new to My Builder. I have been out for a year now looking to get started again with new clients.
Get in touch
PROSPA CONSTRUCTION LTD
No reviews yet
Extension Builder in Cranbrook, South East England
At Prospa Construction Ltd, we pride ourselves on delivering high-quality building and refurbishment projects with professionalism, precision, and care. Based in the South East, we work with clients across the region to bring their visions to life — from commercial refurbishments and fit-outs to bespoke residential builds. With a hands-on approach and a strong focus on communication, we ensure every project runs smoothly from start to finish. Our experienced team is committed to safety, quality workmanship, and completing every job on time and within budget.
Get in touch
Slimm Construction ltd
Rating: 4.2 out of 5
Extension Builder in Cranbrook, South East England
Our speciality is our ability to embrace the clients design requirements and to provide a complete professional service and to deliver a first class quality product using traditional and modern methods of construction. I pride my self on getting things done for the best price possible.
Get in touch
Latest review:
Extensions- 14 Jun 2018
Andy Slimm agreed to build our retirement house. Unfortunately, six months later our dream has turned into a nightmare. For the early part of the build he was helpful and wanted to do a good job. He promised much and we trusted him with everything. When he went over the deadline he started to cut corners and build 'off plan’ in order to save money and try and finish. Suddenly, the day after we had parted with most of the final payment; he took his men off site without warning and abandoned us. We had to carry on renting as the house was unliveable. Three months later we have had to move into our unfinished home which is deemed “unsafe“ due to the mistakes that have been made. Multiple roof leaks, damaging the interior, creating damp and mould problems. Unfinished roof, drainage. Sewage smells in the house due to an unvented toilet system.2 metre deep/2 metre wide hole at the back of the house full of water, unfenced and uncovered. Building control have asked for his structural calculations where he did not build to architect's plans. We have requested many times that he come back, rectify/finish the work and provide the structural engineer's calculations. He refuses, so no other option but to use other builders and to sue Andy for damages. Such a sad and disastrous end to our dream. We have never written a negative review before, however, we feel strongly that we need to warn others as we do not want other clients to go through the traumatic time we have.
Claremont Building Services
No reviews yet
Extension Builder in Cranbrook, South East England
We are a team of Builders with over 25 years experiance between us specialising in some of the following Joinery / Carpentry Plastering / Rendering Roofing Refurbishments
Get in touch
We Trust Property Services ltd.
New on MyBuilder
Extension Builder in Cranbrook, South East England
We are a reliable and professional plumbing company dedicated to providing high quality plumbing, maintenance and repair services for residential and commercial customers. We pride ourselves on delivering honest workmenship, a dependable service and lasting solutions at competitive prices. We cover all aspects of plumbing including blockages, unvented/vented hot water cylinders, heating repairs, leak detection, maintenance and emergency call-outs. At We Trust Plumbing, we understand the importance of keeping your home or business running smoothly, which ids why we offer dependable services you can trust whenever you need us. You Trust, We Deliver.
Get in touch
C P Jones building and plumbing
Rating: 5 out of 5
Extension Builder in Cranbrook, South East England
We are a Sussex based building, plumbing and heating company. We specialise in extensions, garage conversions, kitchens and bathroom fitting. We under take the full job with fully qualified tradesmen.
Get in touch
Latest review:
Bathroom Fitting- 7 Nov 2023
A great service. My bathroom was such a state. I was ghosted by several builders. Now it's beautiful. Thank you
Concept Infrastructure Limited
Rating: 5 out of 5
Extension Builder in Cranbrook, South East England
We are a family run business with over 30 years experience in all aspects of the Building Industry and we are all fully qualified tradesemen. We are a flexible and versatile Company that will always spend that extra time in looking after our customers needs. In our experience by completing Projects on time, in budget and to the customer’s requirements, we continue to receive repeated business from our customers. “Basically, From Concept to Completion we've got it covered”
Get in touch
Latest review:
Extensions- 6 Aug 2020
I’ve lost count of how many times we’ve said how lucky we were that we chose Bryan and his team to build our kitchen extension. The team went above and beyond to ensure as little disruption as possible, as we remained living at home whilst the work took place. During this difficult time, Bryan did everything possible to source the materials required to finish our build before our baby arrived and some how he managed it! His team were really friendly and the family miss having them around. They always tidied up after themselves before leaving too. What we thought was going to be a stressful time was in-fact the opposite. Bryan managed the whole process, kept us updated throughout and made sure the build remained on budget. The level of finish is of the highest standard, better than we could have imagined and I can’t recommend Concept enough. We will undoubtedly be using them again for work in the future. Thanks again to Bryan and his Team.
Custom builds
No reviews yet
Extension Builder in Cranbrook, South East England
We are a building company based in Kent undertaking all building and construction works specialising in extensions, conversions, loft conversions, bricklaying and carpentry
Get in touch
Blose Architectural Services
Rating: 4 out of 5
Extension Builder in Cranbrook, South East England
Blose Architectural Services is focused on delivering projects on time, on budget and to the highest quality by using innovative design solutions. We work with householders, contractors and other professionals specialising in finding technical solutions that take projects from the drawing board to completion. We excel in preparing and submitting planning and building regulations applications, helping our clients realise their dream projects.
Get in touch
Latest review:
Architecture- 24 Jun 2025
Absolutely disaster. He did not complete the job after receiving his full payment and could not get hold of him again. I had to deal with the council and application. Scam!
F l slegg project management and building
No reviews yet
Extension Builder in Cranbrook, South East England
Small building company. Chartered builder with 30 years experience. Honours degree in building surveying and nebosh health and safety certificated. Free quotations for all types of buildings works. Newbuilds, extensions, refurbishments. Project management. All operatives fully qualified to city and guilds standard.
Get in touch
B.E Martin & Sons Ltd
No reviews yet
Extension Builder in Cranbrook, South East England
We specialise in house builds, extensions & loft conversions. Plus general property maintenance
Get in touch
Trojanconstruction
No reviews yet
Extension Builder in Cranbrook, South East England
Trojanconstruction is a family run firm building extensions and undertakeing everything from garde ing work 2 full house refurbishments i have a very skilled and experianced team at your service
Get in touch
Cousin’s brickwork
No reviews yet
Extension Builder in Cranbrook, South East England
I am reliable and honest , genuine and 25 years experience, easy to get on with and a family man
Get in touch
Daniel fissenden
No reviews yet
Extension Builder in Cranbrook, South East England
Hi I'm a city&guilds bricklayer been building houses flats and extensions for aprox 40 years my work covers foundations, super structure ie brick work carpentry, and roofing patios and drives etc still working now just need morehouse to hear from you soon ,thanks dan
Get in touch
JPD PILING & GROUNDWORK LTD
Rating: 4.8 out of 5
Extension Builder in Cranbrook, South East England
We are a specialist piling & groundwork company / new build & extensions builder & include Lanscaping with 25 years experience.
Get in touch
Latest review:
Groundwork & Foundations- 20 Sep 2018
JPD boys came to rescue us when we were almost stuck with our RC foundation on our project, we got a very competitive quote from them and the job was done to a very high standard. Not only did they helped with that, they also gave us a quote for the block work, again this was done without snagging. We will definitely use them over again and recommend them to anyone anytime.

2.3

Top rated Extension Builders

Our Extension Builders in Cranbrook, South East England, are rated 2.3 out of 5 based on 3 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 extension builders in Cranbrook, South East England?

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 Cranbrook, South East England 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 Cranbrook, South East England who are available and interested can respond to your post.

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

What are the hourly rates of extension builders in Cranbrook, South East England?

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

Find extension builders in Cranbrook, South East England with MyBuilder

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

Step 2: Compare different extension builders in Cranbrook, South East England

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

Step 3: Hire Cranbrook, South East England extension builders with confidence

After gathering all the information and quotes from your chosen home extension builders in Cranbrook, South East England, 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.

Cranbrook, South East England extension builders are ready to help. Use MyBuilder today to find the right professional for your home extension.

What to ask a Cranbrook, South East England extension builder before hiring?

Before hiring an extension builder in Cranbrook, South East England or extension building company in Cranbrook, South East England, 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 Cranbrook, South East England?

An extension builder in Cranbrook, South East England 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 Cranbrook, South East England 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 Cranbrook, South East England?

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 Cranbrook, South East England 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 Cranbrook, South East England 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 Cranbrook, South East England

Can an extension builder in Cranbrook, South East England help with planning permission?

Yes, many extension builders in Cranbrook, South East England 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 Cranbrook, South East England handle everything from design to construction?

Many Cranbrook, South East England 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 Cranbrook, South East England help with materials and finishes?

Yes, most extension builders in Cranbrook, South East England 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.