Extension Builders in Denmark Hill

Name: Extension Builder
Brand: MyBuilder
SKU: extension-builder
Rating: 4 (21 reviews)

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Some of our top rated extension builders in Denmark Hill

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Muresan Construction LTD
Rating: 5 out of 5
Extension Builder in Denmark Hill
I am a general contractor with over 15 years of experience in construction industry. My company's specialty is residential fit out and refurbishing. No matter how big or small is the project, we can take a project from inception to the final stage, from new additions to simple room designs. Our motto is "customer satisfaction first ".
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Latest review:
Bathroom Fitting- 8 Oct 2018
Lucian and his team are great, he was so helpful in the planning stages of our bathroom I wasn’t sure exactly how we wanted it but lucian offered his expert advise and the bathroom looks amazing. He was transparent with his prices and no surprise costs, quality of work was amazing! Highly recommend.
Nice Design & Build
Rating: 5 out of 5
Extension Builder in Denmark Hill
Quality general builder
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Latest review:
Decking- 16 Apr 2022
Adam is firstly a really lovely guy and we felt comfortable with him from the moment he came and did a very thorough assessment of the job. His work was very neat and clean. The job was done perfectly and we will definitely be using his services for other work on the flat.
DTS Builders Ltd
Rating: 5 out of 5
Extension Builder in Denmark Hill
All aspects of brick and block and stone work, new builds, extensions garden walls. Patios brick repairs, pointing. & refurbishments 20 years experience.
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Latest review:
Bricklaying- 28 Apr 2019
Dritan and his team we professional and completed a job well done. From the beginning Dritan was easy to work with , very friendly and approachable team. Dritan was extremely helpful in making a few suggestions to improve the wall and prevent future damage. I’m very pleased with the finished works. I would highly recommend Dritan and dts builders. Well done guys was great to work with you.
edildue
Rating: 5 out of 5
Extension Builder in Denmark Hill
Groundworks, Fromwork, steel fixing, casting , general builders, carpentery , tiles , concrete , wood floor
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Latest review:
Handyman- 6 Nov 2023
Michele and his team did an excellent job of improving the external area of our property. Very professional communication, job was done to a high standard at a fair price. Done in a very timely manner and would highly recommend.
Agnuss Construction Ltd
Rating: 5 out of 5
Extension Builder in Denmark Hill
We are a construction company that operates in the local area mostly, but we can also cover all the other areas of Greater London. Our Services include Extensions, Loft Conversions, Refurbishments, and basically all the aspects of building work. We specialise in residential and business projects.
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Latest review:
Agnuss Construction carried out and completed our house renovation, kitchen extension and loft extension successfully. Elio and his father, Mario were very communicative throughout and very reliable. The works were carried out on time and on budget. I would be happy to recommend Agnuss Construction and use them again in the future.
ANACOND LTD
Rating: 5 out of 5
Extension Builder in Denmark Hill
Throughout the years in construction my father has gathered well balanced team with broad range of experience in every aspect of the job. After acquiring my engineering degree and some experience elsewhere, I re-joined my father once again to provide the service we are both proud of. Our background and experience in construction, design and engineering allows us to provide our clients with high quality service and ensure smooth work-flow of each project. Attention to detail is the key!
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Latest review:
Ground floor rear extension and Loft conversion. First and Second fix works including drainage, structural (block work, wood work and steel work) electrical, plumbing, plastering and tiling. All works completed to a very high standard, we found Arnolda's and his team very helpful, thoughtful and pro-active nothing seemed to be too much trouble for him, we are more than happy with AnA's Construction Developments.
Ndreu builders
Rating: 5 out of 5
Extension Builder in Denmark Hill
Hello,I have 23 years working in construction. I am specialised experience within painting and decorating. I also complete domestic and commercial property refurbishments, silicon rendering, driveway and patio installations, plastering and gardening. I mostly take on all kinds of multi trade work. Please don’t hesitate to contact me for any enquiries.
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Latest review:
Handyman- 20 May 2026
He’s friendly and completes the job with care.
M Murphy Build
Rating: 5 out of 5
Extension Builder in Denmark Hill
Hello! My name is Mick. I have many years experience in all areas of construction. I enjoy what I do & love creating new spaces for people, so it has to be of high quality or else there would be no satisfaction in it for me! I have done extensions, sunrooms, renovations, lofts, bathrooms, kitchens and new builds.
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Latest review:
Extensions- 21 May 2019
Excellent workmanship, completed extension with bathroom in good time. Very pleased with the work!
Jjrconstructionservices
Rating: 5 out of 5
Extension Builder in Denmark Hill
JJR construction services limited company with 10 years of construction & refurbishment experience
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Latest review:
(Jjr construction services) have been part of our new build housing project. They have completed all building work . The project was designed to a high spec which required attention to detail at the highest finishing level. The team also assisted with other jobs to including decking, fencing and decorating. Great job and a asset to be part of the team
K & M Roofing Solutions LTD
Rating: 5 out of 5
Extension Builder in Denmark Hill
K & M Roofing Solutions LTD is a UK-based building and roofing contractor providing a wide range of construction, roofing and property maintenance services. We specialise in all aspects of roofing, including flat roofs and pitched roofs, roof repairs, full roof replacements, waterproofing systems, leadwork, fascias, soffits and guttering. In addition to roofing, we also carry out general building works, external repairs, remedial works, and ongoing property maintenance. Our approach is practical and transparent — we provide clear scopes of work, honest advice and detailed quotations, focusing on long-term solutions rather than temporary fixes. Whether it’s a small repair, preventative maintenance or a larger refurbishment project, every job is completed with care and attention to detail. We work with homeowners, landlords and managing agents, and all works are carried out in accordance with recognised industry best practice. Customer satisfaction, reliability and quality workmanship are at the core of what we do.
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Latest review:
Roofing (Flat)- 1 Mar 2026
Kamil came and viewed the leak and quoted to re surface the flat roof with the hydronylon system. Kamil was professional, tidy and kept me up to date on his work. I feel he wanted to do the best job at an affordable price. Would recommend.
AJT Construction Beckenham Ltd
Rating: 5 out of 5
Extension Builder in Denmark Hill
AJT CONSTRUCTION WE BUILD WHAT WE LOVE, AND WE LOVE WHAT WE DO With today’s uncertain economy choosing the right builder for your project has never been more important.From conception to final build and completion it is vital to work with a company that understands your needsand has expertise to deliver on time and within budget. For over 30 years, we have built an enviable reputation in Beckenham and the surrounding areas, successfullymanaging projects in the construction industry
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Latest review:
Extensions- 23 Mar 2022
Dealing with Jason was an absolute delight. He was punctal, provided some great advice and introduced me to a great conservatory manufacturer. Would definitely use him again for further building work. Highly recommend.
Goodwood Fitch
Rating: 5 out of 5
Extension Builder in Denmark Hill
Goodwood Fitch is a Design, Build and Project Management company based in Wandsworth with extensive joinery facilities where we manufacture our high quality windows, doors and other joinery. Whether it's a stylish new bathroom, replacement windows and doors, a structural alteration to combine a kitchen and reception room or a whole house renovation our team has many years of experience creating beautiful spaces and happy clients in Wimbledon, Fulham, Clapham and beyond.
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Latest review:
Restoration & Refurbishment- 10 Feb 2021
Eugene and his team were great throughout the process, very communicative and helpful explaining the processes involved in work and step-by-step plans. Would highly recommend.
Nenad Jevtic
Rating: 5 out of 5
Extension Builder in Denmark Hill
I've start working in the building industry 15 years ago. Over the years working in the industry I have moved up the lader and for last 4 years worked as project manager for different building company's . I have vast experience in designing and working on projects to highest standards to meet deadlines and within the budget . I have team of highly experienced tradesman and we always go extra mile to meet customers needs.
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Latest review:
Conversions - General- 6 Feb 2019
Nanad and his team have been wonderful from day one. We have had them with us a number of weeks doing all the jobs they quoted for and more, they are fast efficient and courteous of the fact we lived in for a lot of the work. Everything has been finished to a great standard and we are thrilled with our house which has been completely transformed. We have already recommended them to friends and will continue to do so and hopefully have them back in future. They are creative, solve issues that crop up easily and without fanfare extremely hardworking and all round an excellent team! Thank you for everything! Emma and James
Handyman
Rating: 5 out of 5
Extension Builder in Denmark Hill
Welcome to handy paul, your go-to experts for all your home improvement needs in the heart of Mitcham serving the vibrant community of sutton Merton, London. With a wealth of experience under our belts, we specialise in transforming spaces with our comprehensive range of services, including Bathroom Fitter, Kitchen Fitters, Flooring, and Painters & Decorators etc.Our commitment to quality and customer satisfaction is second to none, ensuring that every project we undertake is completed to the highest standards.Choosing handy paul means choosing a partner who values your input and works tirelessly to exceed your expectations. We believe in open communication and collaboration, ensuring that you're involved in every step of the process. Our team is not only skilled but also friendly and approachable, making your renovation journey as smooth and enjoyable as possible.So, if you're in Mitchamor anywhere in <Merton, sutton,London, and you're ready to embark on a home transformation journey, look no further than handy paul. .manny thanks paulo
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Latest review:
Fencing- 27 May 2026
Excellent service from start to finish. Replaced 5 fence panels quickly and professionally, arrived exactly on time and had everything completed by 2pm. Friendly, hardworking and no fuss at all. Also removed and cemented in a fence post after finishing the fence work. Left everything tidy and did a great job, reasonably priced — highly recommend!
Safeway Build Ltd
Rating: 5 out of 5
Extension Builder in Denmark Hill
At Safeway Build Ltd, we pride ourselves on delivering exceptional craftsmanship and reliable service in every project we undertake. Led by Florin, a highly trained professional with over 20 years of experience in the construction industry and a proud member of the Federation of Master Builders (FMB) since 2014, our company is built on trust, quality, and attention to detail. Working alongside trusted electricians and plumbers, we offer a complete service that ensures every aspect of your project is handled with care and expertise. Much of our success has come from referrals and repeat clients, a testament to the satisfaction and confidence our customers have in our work. At Safeway Build Ltd, we don’t just build — we build lasting relationships, turning your vision into reality with professionalism, transparency, and dedication. Whether you are looking for loft conversions, extensions or a refurb, all our services are carried out carefully, efficiently and to an exceptionally high standard of quality. We are happy to undertake any domestic work. At Safeway Build Ltd, no job is too big or too small.
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Latest review:
Kitchen Fitting- 10 Feb 2026
Florin and team were a joy to work with. Very communicative and worked to a great timeframe. Lots of little extra jobs were completed at no extra charge. Cost for job was reasonable and the tiling was immaculate - would definitely use Florin again. Would highly recommend!
Mile Kresojevic
Rating: 5 out of 5
Extension Builder in Denmark Hill
Hi, I am experienced self-employed carpenter with 10 years in various projects, working directly for clients while entrusted for their property. Good English, punctual, trustworthy and a reliable time keeper. Can provide references on request.
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Latest review:
Carpentry- 5 Dec 2017
Mile was prompt in supplying a quote and fitted us in within days. He was tidy in his work, pleasant to deal with and reasonable with his quote, we will use him again should we need any carpentry work.

Top rated Extension Builders

Our Extension Builders in Denmark Hill, are rated 4 out of 5 based on 21 reviews from customers like you.

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

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 Denmark Hill 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 Denmark Hill who are available and interested can respond to your post.

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

What are the hourly rates of extension builders in Denmark Hill?

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

Find extension builders in Denmark Hill with MyBuilder

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

Step 2: Compare different extension builders in Denmark Hill

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

Step 3: Hire Denmark Hill extension builders with confidence

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

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

What to ask a Denmark Hill extension builder before hiring?

Before hiring an extension builder in Denmark Hill or extension building company in Denmark Hill, 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 Denmark Hill?

An extension builder in Denmark Hill 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 Denmark Hill 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 Denmark Hill?

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 Denmark Hill 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 Denmark Hill 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 Denmark Hill

Can an extension builder in Denmark Hill help with planning permission?

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

Many Denmark Hill 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 Denmark Hill help with materials and finishes?

Yes, most extension builders in Denmark Hill 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.