Extension Builders in Holland Park

Name: Extension Builder
Brand: MyBuilder
SKU: extension-builder
Rating: 4.2 (20 reviews)

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

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 Holland Park

3548 Results

Sort by:

BOTNARI CONSTRUCTION
Rating: 4.7 out of 5
Extension Builder in Holland Park
We at BOTNARI CONSTRUCTION provide a service of maximum quality and client satisfaction . Having over 25 years experience in the field we have completed jobs big and small to the best standard .
Get in touch
Latest review:
Garden Maintenance- 19 May 2026
Fantastic service . Very good job
Urban Construction Management Limited
No reviews yet
Extension Builder in Holland Park
We have been in business since 2015, and working with a number of leading contractors within the construction industry in the country. We have carried out works from new builds to refurbishments, and specialise in loft conversions and extensions, garden rooms, kitchens and bathrooms, and structural alterations. We have all the relevant insurance - employment liability, public liability and professional indemnity cover. We are certified by Construction Line, CHAS, Safe Contractor and BMTrada (Fire Door Installer).
Get in touch
Zamir Merko
Rating: 5 out of 5
Extension Builder in Holland Park
Hello my name is Zamir, I have over 20 years experience in the building trade. When I complete a job I like to leave the customer very happy.
Get in touch
Latest review:
I was very happy with the finished job He was very good and made sure that it was done properly. He came in 1 day to quote me and started the next day and finnished in 2 days
Dino design Ltd
Rating: 4.8 out of 5
Extension Builder in Holland Park
We founded DINO DESIGN out of a pure passion for building. We are two brothers who work together in sync and is a collaboration we're proud off, we construct roofs extensions and loft conversions to an amazing standard which can be seen in the work we do. We like to push boundaries in our field making a project built by DINO DESIGN stand out from the rest. DINO DESIGN is a name you can count on and trust to deliver your project from the paper its drawn on to the material its built from. Explore the rest of our site to learn more about what we offer, and get in touch with any questions. We specialise in: • Single & double-storey extensions • Loft conversions & dormers • Full property refurbishments • Kitchen transformations • Open-plan structural alterations • Landscaping and outdoor works
Get in touch
Latest review:
Conversions - General- 22 Apr 2026
Had a fantastic experience with Dino Design for an en suite removal. They understood exactly what I wanted and were very responsive throughout, giving me daily updates about how the work was going. So happy with the result- would 100% recommend :)
Plastering and Rendering
Rating: 5 out of 5
Extension Builder in Holland Park
plasterering and Renderering specialist, K-rend - silicone render - insulations, EWI system, Micro cement. drylining, and full refurbishment. Over 20 years experience.
Get in touch
Latest review:
Plastering- 7 Aug 2023
Festim was efficient, punctual and did a very nice job rendering my wall. Highly recommended.
Ionut negru
Rating: 5 out of 5
Extension Builder in Holland Park
Hi. My name is Ionut Negru and I am a skilled worker in the field of painters and decorators, tiles, laminate flooring and besides that i also do a same things related to plumbing, electrical and carpentry. I am a person who wants to make the customer satisfied and happy. I always offer good prices end high quality Thank you for your cooperation.
Get in touch
Latest review:
Bathroom Fitting- 17 Dec 2025
Jonny installed a new bathroom for us and this was done to a very high standard. He was very professional, punctual and polite and talked us through areas of the project which we weren't too sure how to proceed with. I would definitely use Johnny again and would highly recommend him.
Cool Dudes Construction
Rating: 5 out of 5
Extension Builder in Holland Park
We do all sort of house renovations including new build extensions and loft conversions , bathrooms . Your satisfaction is our job
Get in touch
Latest review:
Extensions- 13 Dec 2025
Most perfect guys to do the job. Nothing was to much trouble, very professional, we are absolutely in love with our extension and will 100% recommend and use cool dudes in the future.
DF Construction
Rating: 5 out of 5
Extension Builder in Holland Park
DFGC are commercial and residential refurbishment specialists. We've created partnerships with high profile companies to complete large scale projects, in the South East of England - shown on my profile. We are known for a wide range of undertakings, from complete refurbishments, extensions, bathrooms, driveways, to name a few. There's very little we can't do, with regards to construction. We're a one stop shop for all your construction needs - we can take your vision and make it a reality.
Get in touch
Latest review:
Extensions- 13 Dec 2021
Couldn't recommend Domi & Emile enough. They have great building knowledge and kept us informed and up to date throughout the whole building process. The job was finished to a high standard and they even came back free of charge to tie up a few snags a few weeks later. Great builders and a great team!
singhbuilder
Rating: 5 out of 5
Extension Builder in Holland Park
Hi my name is Dil Singh, I'm a runing own business with 10years + experience, Multi skilled in all aspects of as a certified electrician, roofing and building.Able to deliver a high standard of work. All new work can be done guaranteed,References avalible on request. I done plenty jobs like electric work: change the consumer unit, wiring, design and inspection and testing, fault finding, loft conversion, extensions. I never let down my customers. Job done guaranteed from a to z by me.
Get in touch
Latest review:
Electrical- 26 May 2021
Happy with replacement programmer. Dil came straight back the next day when there was a problem and rectified.
Landi Builders Ltd Uk
Rating: 5 out of 5
Extension Builder in Holland Park
I am a professional, reliable, and hardworking builder dedicated to delivering high-quality workmanship and excellent customer service on every project I undertake. I take great pride in my work and always aim to complete every job to a high standard, ensuring that my customers are fully satisfied with the finished result. I understand that choosing a builder is an important decision, and I always strive to provide a service that is trustworthy, professional, and stress-free from start to finish. My approach to building work is simple: be reliable, communicate clearly, work safely, and deliver quality results. I believe that professionalism is just as important as workmanship. Turning up on time, being respectful of a customer’s property, keeping the work area tidy, and maintaining clear communication throughout a project are all essential parts of the service I provide. I treat every job, large or small, with the same level of care, attention, and commitment. I have experience in a wide range of building and property improvement work, including general building, repairs, maintenance, renovations, interior improvements, exterior work, and property upgrades.I am happy to take on both small jobs and larger projects.
Get in touch
Latest review:
Kitchen Fitting- 8 May 2026
Keri did an excellent job in fixing our cooker extractor pipe. Easy to talk to, nice approach and work in a timely manner. If we need them again for our home, will definitely contact them again.
Building Dimensions
Rating: 4.9 out of 5
Extension Builder in Holland Park
Family run company with 25+ years experience in Building/ Decorating. Registered member of Fairtrades since 2002, guaranteeing a high standard of work. Our company provides a friendly, reliable, and professional service
Get in touch
Latest review:
Extensions- 10 Oct 2022
Gary and Keith are excellent builders who know what they are doing. The did a great job building our extension and stuck to the brief, bearing with me changing my mind. They are not the quickest, but the job will be good when it gets done eventually.
Vokrri construction ltd
No reviews yet
Extension Builder in Holland Park
Yes, I offer a guarantee
Get in touch
Grzegorz Toma
No reviews yet
Extension Builder in Holland Park
Hello everyone, my name is Greg and I’m from Poland, I provide all builder’s and handyman’s services with many years experience, I’m responsible person and hard worker, I have all my own tools and van , drop me a short text for more info
Get in touch
SCO ELECTRICAL & BUILDING LTD
No reviews yet
Extension Builder in Holland Park
SCo is a family run business with experts in multiple trades. With a focus on electrical work, we offer 24/7 call outs for electrical problems. We cover all aspects of electrical installation, additions, and maintenance. We also offer building related services, such as, complete property renovations, maintenance, and additions. Please don’t hesitate to contact us.
Get in touch
PrimeUKContractorsLtd
Rating: 5 out of 5
Extension Builder in Holland Park
Prime UK Contractors is a London-based construction company providing high quality work for a reasonable price. Our projects are always finished on time. Our priority is the satisfaction of our clients. Our team consists of skilled, experienced builders who will help you execute your dream project.
Get in touch
Latest review:
I recently used PrimeUK Contractors Limited for conversion works at our studios in Camden, and I couldn’t be happier with the results. The project timeline was set at six weeks, and the team delivered right on schedule. Pavlo and his team had a clear understanding of the scope and what needed to be achieved, going above and beyond to make the project a success. The quality and attention to detail in their work were outstanding, and my entire team was thrilled with the final result. Their pricing was competitive and fair, which was another bonus. When we have more work in the pipeline, Pavlo and PrimeUK will definitely be my first call. Highly recommend!
Alexi Construction Ltd
Rating: 5 out of 5
Extension Builder in Holland Park
At Alexi Construction, we take immense pride in being your trusted partner for a wide array of high-quality property solutions across the UK. Our commitment to delivering perfection to your proposition and exceeding all expectations is at the core of everything we do.
Get in touch
Latest review:
Great work from start to finish, Suren was professional, reliable, and delivered high-quality service on time and on budget. Communication was clear throughout the works, and the final results exceeded expectations. Highly recommend Alexi construction to anyone looking for real quality work.

4.2

Top rated Extension Builders

Our Extension Builders in Holland Park, are rated 4.2 out of 5 based on 20 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 Holland Park?

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 Holland Park 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 Holland Park who are available and interested can respond to your post.

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

What are the hourly rates of extension builders in Holland Park?

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

Find extension builders in Holland Park with MyBuilder

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

Step 2: Compare different extension builders in Holland Park

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

Step 3: Hire Holland Park extension builders with confidence

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

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

What to ask a Holland Park extension builder before hiring?

Before hiring an extension builder in Holland Park or extension building company in Holland Park, 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 Holland Park?

An extension builder in Holland Park 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 Holland Park 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 Holland Park?

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 Holland Park 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 Holland Park 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 Holland Park

Can an extension builder in Holland Park help with planning permission?

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

Many Holland Park 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 Holland Park help with materials and finishes?

Yes, most extension builders in Holland Park 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.