Extension Builders in Hartfield

Name: Extension Builder
Brand: MyBuilder
SKU: extension-builder
Rating: 2.6 (5 reviews)

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Some of our top rated extension builders in Hartfield

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Big&small landscapes Ltd
Rating: 5 out of 5
Extension Builder in Hartfield
Big & small landscapes We are an established Landscaping firm based in Caterham, providing top quality garden and property transformation. With our team of experienced landscapers, this allows us to ensure all jobs no matter how big or small are completed to a high standard. We have featured in Channel 4's 'The Great Garden Revolution' and ITV's 'Love Your Garden'.
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Latest review:
Bricklaying- 24 Nov 2023
Professional and easy to deal with...did a good job...
alcon
No reviews yet
Extension Builder in Hartfield
Welcome. We are a Family Run business with 30 years experience in the Trade. We pride ourselves on the service and quality of all of our works and specialise in all aspects of building and home improvements. From concept to completion our aim is to provide the best friendly service and trouble free projects to all our customers at competitive rates. Call Sean for Free advice and quotations.
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Banff construction and landscaping Ltd
Rating: 5 out of 5
Extension Builder in Hartfield
Welcome to Banff Construction and Landscaping, where we craft living spaces with precision and flair. From intricate renovations to lush landscaping, we take pride in delivering top-notch craftsmanship. What sets us apart is our commitment to excellence and a unique Banff-inspired touch. Unlike others, we see each project as a partnership, tailoring our services to meet local needs.
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Latest review:
5 star! Banff and team completed a single story extension allowing us to expand are kitchen and open plan dining room. Regardless of us being extreamly fussy and changing our minds daily they where by our side to help make these possible. Always early and left the site spotless regardless the time of day I would highly recommend banff and his team who are respectful and trustworthy company, look forward to Banff doing our next project or our family and friends in the near future.
Smart windows
Rating: 5 out of 5
Extension Builder in Hartfield
Smart windows from MKD windows Group are a family run business covering Essex and Surrey. We specialise in UPVC , Wood & Aluminium. Offering quality products at quality prices. Reliable service, no pushy salespeople just a straight forward price! Certass registered with a 10 year insurance backed guarantee.
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Latest review:
Windows & Doors (uPVC & Metal)- 13 Mar 2026
Would highly recommend Dean, he removed my window and fitted French doors. Thank you.
A C PARKES LTD
Rating: 5 out of 5
Extension Builder in Hartfield
We are family run building company for more 20 years. We undertake any type of extension and renovation projects todo with domestic properties.
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Latest review:
Kitchen Fitting- 12 Nov 2019
Darren was punctual and efficient and work was carried out to our satisfaction.
Comer Construction
No reviews yet
Extension Builder in Hartfield
Small to large extensions and refurbishments. New kitchens and bathrooms.
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Jk services south limited
No reviews yet
Extension Builder in Hartfield
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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Image Of Icons
No reviews yet
Extension Builder in Hartfield
With my degree in architecture and 10 years of experience, I offer complete architectural services from start to finish. I'm good at every stage of the process, from coming up with initial ideas to finishing touches. I can create detailed plans using CAD drawing and turn quick sketches into real concepts. I also use 3D presentation and animation to show clients what the final result will look like. Over the years, I've managed projects from beginning to end, making sure every detail is just right and meeting high-quality standards.
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Limelight Building Co Ltd
Rating: 5 out of 5
Extension Builder in Hartfield
Limelight Ltd specialise in roofing and refurbishment of residential and commercial property throughout London, Kent, Surrey and Sussex. Our strong traditional values are based upon trust, integrity and commitment to our clients. The foundation of our success has always been the development and care of long term relationships, not only with clients, but also with our employees and suppliers
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Latest review:
Groundwork & Foundations- 18 Apr 2020
Hired Jeff to remove old shed, and prepare a new 2.8m x 4.8 m base. Jeff was very easy to communicate with, answered all my questions, the team turned up as planned on time, worked hard, completed all works requested, and ensured that any mess they made was fully cleaned up. Left all the old shed broken up, as requested. Jeff and the team were great and very please with the result. Highly reccomended
simon williams
No reviews yet
Extension Builder in Hartfield
Been in the construction industry for 40 years. Our attention to detail is our specialty. I treat clients homes as my own leaving tidy and clean as I can possibly making it. We are a trust worthy company that has pleased many of our clients in the past. I personally love my profession and helping clients dreams come true.
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D.W.S Contracting
No reviews yet
Extension Builder in Hartfield
I am a multi-trading builder with exceptionally high standards, priding myself on my reliability. From small to large projects, I work alongside other companies and tradesmen to complete your job exactly as you wish. Free, no obligation quotes.
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London’s maintenance team Ltd
Rating: 5 out of 5
Extension Builder in Hartfield
Established in 2014, we are a team of trustworthy, friendly, and fully trained tradesmen dedicated to handling all your maintenance needs—whether domestic or commercial. No job is too big or too small, and every project receives our full attention and commitment. With nearly a decade of experience, we ensure that your requirements are met in a prompt, efficient, and friendly manner. We pride ourselves on offering competitive rates, so please feel free to reach out for a free, no-obligation quote.
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Latest review:
Plumbing- 18 May 2026
Really good, no issues. Flexible on issues that arose on site. The actual issue required far more work but they were able to complete what I needed done for a bathroom to be stripped out. Really good would use again
Edward Jewell
No reviews yet
Extension Builder in Hartfield
ETJ Building Contractors, we set out to achieve the highest quality of work possible to satisfy the client to make sure they are happy at all times and make their project as easy as it can be for them, we have over 35 years of experience in all aspects of the building sector including extensions from the ground up all the way through to the second fix stage of electrics, we have a great team of highly skilled men on board who all have the same end goal in mind please don’t hesitate to contact us!
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dot builders
No reviews yet
Extension Builder in Hartfield
House Extension Loft Conversion New House Build Basement Work Brick Laying Carpentry Roofing
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Petar
No reviews yet
Extension Builder in Hartfield
Carpentry
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C.R.Ksteerconstruction
No reviews yet
Extension Builder in Hartfield
Hi, I’m Danny, the owner of C.R.K.Steer Construction. We specialize in landscaping, extensions, driveways, patios, fencing, and much more. With years of experience in the construction industry, we pride ourselves on delivering high-quality work and ensuring each project is completed to the highest standard. Customer satisfaction is at the heart of what we do. From start to finish, we focus on clear communication, reliability, and attention to detail to ensure your vision becomes a reality. No matter the size of the project, we approach every job with care, delivering results on time and within budget. If you’re looking for a trusted partner for your next project, I’d be happy to discuss your needs and provide a free, no-obligation quote. Please feel free to get in touch — I look forward to working with you!
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2.6

Top rated Extension Builders

Our Extension Builders in Hartfield, are rated 2.6 out of 5 based on 5 reviews from customers like you.

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What types of services are offered by local extension builders in Hartfield?

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

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

What are the hourly rates of extension builders in Hartfield?

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

Find extension builders in Hartfield with MyBuilder

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

Step 2: Compare different extension builders in Hartfield

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

Step 3: Hire Hartfield extension builders with confidence

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

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

What to ask a Hartfield extension builder before hiring?

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

An extension builder in Hartfield 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 Hartfield 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 Hartfield?

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 Hartfield 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 Hartfield 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 Hartfield

Can an extension builder in Hartfield help with planning permission?

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

Many Hartfield 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 Hartfield help with materials and finishes?

Yes, most extension builders in Hartfield 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.