Extension Builders in Chalfont St Giles

Name: Extension Builder
Brand: MyBuilder
SKU: extension-builder
Rating: 3.2 (9 reviews)

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O BEIRUT LIMITED
No reviews yet
Extension Builder in Chalfont St Giles
Loft conversion, Extensions, kitchens,bathrooms and decorating
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Home Renovations Ltd
Rating: 5 out of 5
Extension Builder in Chalfont St Giles
We're a building company specializing in house extensions, loft conversions and refurbishments. Our clients come from New Malden, where we're based, but also surrounding areas. The vast industry experience enables us to provide valuable advice, professional services and individual approach, benefiting our customers. As we understand trust and credibility are crucial when undertaking such projects, we arrange viewings and provide customers with references and photos of our most recent projects.
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Latest review:
Extensions- 24 Jun 2017
We had a large piece of work done by Johan and his team. It was a 4m single storey rear extension with new kitchen installation, converting the old kitchen into a downstairs bathroom and utility room, plus other bits and bobs like new boiler, rear patio. We got quotes from a few builders, Home Renovations weren't the cheapest, they were actually towards the higher end. But we went and saw their previous work and spoke to some of their other clients. The work was done to a high quality and the clients seemed to be happy so we decided to go with them. Johan's team are very hard working, professional and polite. Pawel and his team of builders, bricklayers, plumbers, electricians, etc. would turn up before 8am and finish at 6pm working solidly throughout the day. There is Magda as the project manager who keeps you in the loop, and answers any of your questions (which we had many). There is Michaela on the finance side who keeps you up to date with the budget. Our budget went over by 5% with "variations" (extra work or materials) but it was always communicated why and the work wasn't done without our approval. Pawel would give his recommendations but the final word would always be ours. But these things can add up. Overall we were very happy with the build, it was done to a very high standard. They also finished it before time. They said it would take 12 weeks in fact they finished it in 10 weeks which was amazing as you would normally expect these things to go over.
Nomarice
No reviews yet
Extension Builder in Chalfont St Giles
Hi, I’m Moh’d – a reliable, detail-driven construction worker, wall painter, and handyman. While I’m a registered nurse by profession, I’ve built strong hands-on experience and high proficiency in property maintenance through years of part-time work. Whether it’s transforming gardens, refreshing interiors with a clean paint finish, or handling general repairs, I bring the same care and precision to your home as I do in my clinical work. I’m friendly, punctual, and always make sure the job is done right – with quality, safety, and cleanliness as top priorities. Get in touch for a free quote or to chat about your next project!
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Price and Perkins Ltd
No reviews yet
Extension Builder in Chalfont St Giles
Principal Building Contractor. New Build, Refurbishment and Fast-Track Fitting-out. Contract values £100K to £3Million. Fully insured, Employer’s, Contractor’s All Risks, Professional Indemnity and Public Liability to £10Million. Bonafide formal quotations and tender submissions within 5 working days. Highly skilled workforce and professionally qualified management team.
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Zen Construction
No reviews yet
Extension Builder in Chalfont St Giles
I’ve been working in the construction and property improvement industry for over 12 years, gaining hands-on experience across a range of jobs from full house renovations to smaller repair and maintenance projects. I’m based in London and cover surrounding areas. I specialise in Demolition, Carpentry, Bricklaying, Laminate Flooring, Extensions, Driveways, with a strong eye for detail, reliable workmanship, and a focus on delivering high-quality results. I take pride in being honest, hardworking, and easy to communicate with—clients know they can trust me to get the job done right the first time. If you’re looking for someone dependable, skilled, and committed to quality, I’m ready to help.
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Elvis Torba
New on MyBuilder
Extension Builder in Chalfont St Giles
Hi, I’m Elvis, a professional bricklayer with over a decade of experience in all aspects of brickwork and masonry. I take pride in delivering high-quality workmanship, whether it’s garden walls, extensions, repointing, repairs, patios, or new builds. I’m reliable, hardworking, and always make sure every job is completed to a high standard with attention to detail. Customer satisfaction is very important to me, and I always aim to keep work areas tidy, finish on time, and provide honest, competitive pricing. I cover local surrounding areas and am happy to take on both small repairs and larger projects. If you’re looking for a trustworthy bricklayer who takes pride in their work, I’d be happy to help.
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PARM G BUILDERS & CONTRACTORS LIMITED
No reviews yet
Extension Builder in Chalfont St Giles
Hi, am parm hope u guys are fine I just want to say I love my work and I love to make people’s happy with my work so give us chance for all type of work extensions bathrooms paints electrics plumbings laminate flooring skirtings doors tiles thank you
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Build Four Four Limited
No reviews yet
Extension Builder in Chalfont St Giles
Build Four Four is a full service building construction company dedicated to building and improving residential and commercial structures according to client needs and desires. We specialise in transforming your home into what you always wanted. Be it a loft conversion, extension or a new build from scratch. You can be rest assured that at BFF, quality, precision and excellence comes first. Based in Hertfordshire but also covering London and Essex, the team at BFF is ready to give your space whatever updates it requires. Just give us a call or enquire online today and we’ll get back to you as soon as we can with a quote.
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E&S building construction LTD
No reviews yet
Extension Builder in Chalfont St Giles
We are a family run construction company dedicated to meeting all your construction work needs to high standard
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synergic design studio
No reviews yet
Extension Builder in Chalfont St Giles
My name is Sanjay Venkatakrishnan and I am an Architectural Assistant (Part 2) with a Master's degree in Architecture (RIBA Part 2) from the University of East London. I have extensive experience working with various architectural software such as Rhinoceros 3D, Autodesk AutoCAD, Autodesk Revit, Lumion, V-Ray, Enscape, and Adobe Creative Suite.
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D&M CONSTRUCTION BRO. LTD
No reviews yet
Extension Builder in Chalfont St Giles
Over the 25 years D&M Construction Bro. Ltd has grown the business working for clients across London, who only demand the highest level of workmanship and service.Our best domain is quality and trust. Whether you are looking for profesional company to build extension, conversion, full refurbishment or bespoke new build home, we are here to help.
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NexLevel Contractors Ltd
Rating: 5 out of 5
Extension Builder in Chalfont St Giles
We are a small, family owned, London based building company with an excellent reputation for workmanship and customer service. Our people hold many trade specific accreditations such as Gas Safe Register and NICEIC and should give you the comfort that you are dealing with professionals. We are accredited by the of Federation Of Master Builders & full members of TrustATrade. With a team of qualified professionals we offer a complete service for all of your domestic & commercial needs.
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Latest review:
Restoration & Refurbishment- 11 Jan 2018
Dorian Lula and his team completed in excellent terms full flat renovation. Dorian is very accommodating and his communication is fantastic as we didn’t have any misunderstandings ... I am glad I have met him and for sure I will be keeping in touch for my next project. Special thank you to this site for this fantastic opportunity as I feel I got a very good deal Yours truly Violeta Ku
Costa Boyer Ltd
Rating: 4.8 out of 5
Extension Builder in Chalfont St Giles
Costa Boyer Ltd provides specialist for complete building solutions:/conservatory/replacement windows/doors/home improvements/kitchen/garage conversion/house extension/garden shed/wooden decking/parquet/painted house/water leak/35 years experience building site. SCHUCO/ GQA Qualification Certificate of achievement in SCHUCO Curtain Wall/ GQA Level 3 Certificate in glass related operation/ GQA Level 3 NVQ Fenestration Installation, NVQ level 6, Covid-19 Essential: Infection Prevention and PPE
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Latest review:
Conservatories- 14 Apr 2026
Really professional, thorough and quick. A great job! And a one year guarantee.
Jackson construction
No reviews yet
Extension Builder in Chalfont St Giles
I’m a general building company we do complete extensions, kitchens, bathrooms and carpentry, Patios and driveways
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FILIP
No reviews yet
Extension Builder in Chalfont St Giles
Hi, I'm Filip, I have over 10 years of experience in construction, I do everything related to the construction of houses, but also everything related to courtyards and gardens (driveways and landscape). Im a professional worker. Don't hesitate to contact me. Thank you
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PLANNING APP LTD
Rating: 5 out of 5
Extension Builder in Chalfont St Giles
We create architectural drawings. We are specialised in applications for planning permission and building regulations and co-operate with local structural engineers for structural calculations, party wall surveyors and building companies. Our projects include extensions, lofts, garages, house&flat conversions in different councils all around London. If you are thinking of extending, converting, or splitting your property do not hesitate to contact us for a free first consultation & quotation.
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Latest review:
CAD / Drawings- 23 Sep 2020
Marius has been doing a great job and put in an extra effort to ensure we were happy with the outcome. I can not recommend Marius highly enough, especially as he managed to fix an issue with the council that we had from someone else drawings. He was patient and very well prepared. Went an extra mile and gave us different ideas/options. He was flexible with timings and most importantly with price. Had by far the best quote and did an exceptional job.

3.2

Top rated Extension Builders

Our Extension Builders in Chalfont St Giles, are rated 3.2 out of 5 based on 9 reviews from customers like you.

Quality screening

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What types of services are offered by local extension builders in Chalfont St Giles?

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 Chalfont St Giles 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 Chalfont St Giles who are available and interested can respond to your post.

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

What are the hourly rates of extension builders in Chalfont St Giles?

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

Find extension builders in Chalfont St Giles with MyBuilder

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

Step 2: Compare different extension builders in Chalfont St Giles

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

Step 3: Hire Chalfont St Giles extension builders with confidence

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

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

What to ask a Chalfont St Giles extension builder before hiring?

Before hiring an extension builder in Chalfont St Giles or extension building company in Chalfont St Giles, 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 Chalfont St Giles?

An extension builder in Chalfont St Giles 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 Chalfont St Giles 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 Chalfont St Giles?

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 Chalfont St Giles 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 Chalfont St Giles 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 Chalfont St Giles

Can an extension builder in Chalfont St Giles help with planning permission?

Yes, many extension builders in Chalfont St Giles 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 Chalfont St Giles handle everything from design to construction?

Many Chalfont St Giles 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 Chalfont St Giles help with materials and finishes?

Yes, most extension builders in Chalfont St Giles 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.