Extension Builders in Blackfriars

Name: Extension Builder
Brand: MyBuilder
SKU: extension-builder
Rating: 4.3 (17 reviews)

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Some of our top rated extension builders in Blackfriars

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Rares Cristian Lupu
Rating: 5 out of 5
Extension Builder in Blackfriars
I am a sole trader working for myself for more than 10 years. Family experience over 35 years. I deliver all services from painting, dexorating, bathrooms, kitchens, full house builds, loft conversions, rear / side extensions, landscaping, plastering and plumbing/electric. Reliable and respectful to all my clients!
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Latest review:
had an excellent experience working with Cristian on my bathroom project. From start to finish, his work exceeded all expectations. Cristian was professional, attentive to my needs, and incredibly detail-oriented. His craftsmanship and commitment to quality were evident in every aspect of the project, and he transformed the space beautifully. He kept communication clear and made sure everything was completed on time and according to my vision. I am thrilled with the results and highly recommend his services.
O G Electrical
Rating: 5 out of 5
Extension Builder in Blackfriars
O G electrical is based in Belvedere and Part P registered with Napit and the Electric safety register. All electrical work undertaken, with 25 years knowledge and experience. Re wires , fuseboards , under floor heating , Cctv , lighting , fire alarms , garden and drive lights,commercial fit outs, 3 phase, extract fans all Electrical installs carried out. Installations to new build houses/apartments throughout London and Kent Inspection and testing Eicrs All work guaranteed.
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Latest review:
Electrical- 1 Dec 2020
Olly was cheerful even though confronted with an ancient wiring system and a difficult problem. He came back for a second day and sorted it. There was a callback which he sorted quickly and without complaint
Fixer/dryliner
No reviews yet
Extension Builder in Blackfriars
Professional wall/ceiling fixer dryliner with 5 year experience
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LG Construction & Design UK
Rating: 5 out of 5
Extension Builder in Blackfriars
LG Construction & Design Uk is a family business in London.We pride ourselves on high quality workmanship and customer satisfaction.We believe in keeping the customer happy and providing them a great service and high quality with competitive price. LG Construction £ Design UK - Building your dream
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Latest review:
Extensions- 13 Jun 2020
Carlos and Luzianna did our kitchen extension in 2017 and we were very pleased with the quality of the work they did. We hired them again in 2019 to redo our living room and front garden. Again we were pleased with the result. In both cases we were living in the house during the construction and they did everything they could to be considerate and clean. We would definitely recommend them.
More Space Building Services
No reviews yet
Extension Builder in Blackfriars
Our company is a dedicated family run business with many years experience supported by a team of hard working and skilful craftsman in the fields of New Build, Brickwork, Brick Pointing, Carpentry, Kitchen Fitting , Flooring, Roofing, Loft Conversion, Extension, Painting & Decorating, Tiling, Bathrooms, Ground workers, Basement Water Proofing and block Paving.
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Vland Ltd.
Rating: 5 out of 5
Extension Builder in Blackfriars
Hi, We are family owned business providing building construction services for private and commercial customers.We have a team of professional tradesman who cover every aspect of building industry. Our main goal is to do our job to the highest standard and to make all our clients happy and satisfied.
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Latest review:
Extensions- 15 Dec 2021
Valdemar and his team of workers were outstanding. I have never known builders to be so thorough, honest and just generally nice people. They can be trusted and gave honest opinions. They were in tune with the building control requirements and worked very hard always arriving on time and working solidly throughout the day. They may be a bit pricey but you definitely got what you paid for - First class workmen ship.
Knight Building Services
Rating: 5 out of 5
Extension Builder in Blackfriars
I'm a builder who has spent many years in training to get my experience along with on site work. I cover all areas of the construction industry with a competitive price for a competitive market. I am hardworking and I aim to please. Customer satisfaction is number 1 priority.
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Latest review:
Joinery & Cabinet Making- 30 Jan 2025
Mark is a top guy. Listened to what we were after, came up with solutions, was punctual, clear in his communications and delivered exactly what we wanted. Excellent quality work, clean and tidy. Using again without hesitation.
Avalon London Projects
New on MyBuilder
Extension Builder in Blackfriars
Our Experience: At Avalon, our team brings over three decades of expertise in construction and interior design. We’ve successfully delivered a wide array of projects, from comprehensive home renovations to tailored interior design solutions. Our portfolio reflects diverse styles and spaces, underscoring our commitment to quality and meticulous attention to detail. Where We Work: Based in London, we serve clients throughout the city and surrounding regions. Our team is adaptable and prepared to travel to bring your vision to fruition, ensuring convenience and accessibility for all our clients. Our Special Skills: • Comprehensive Trade Expertise: Our seasoned professionals are adept in various trades, including painting, decorating, joinery, plumbing, and electrical work, ensuring seamless project execution• Interior Design Proficiency: Our skilled interior designers collaborate closely with you to create spaces that are both visually appealing and practical. • Efficient Project Management: We recognize the significance of adhering to timelines and strive to complete projects promptly without compromising on quality
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LondonHome-Improvements
New on MyBuilder
Extension Builder in Blackfriars
We are a reliable and experienced refurbishment and restoration team based in London, specialising in full property renovations from start to finish. Our services include: • Full house refurbishment • Bathroom installation and renovation • Kitchen fitting and installation • Plumbing and electrical work • Tiling (bathrooms, kitchens, flooring) • Flooring (laminate, wood ) • Painting and decorating • General building and maintenance work We take pride in delivering high-quality workmanship with attention to detail on every project, whether it’s a small upgrade or a full property transformation. We understand that your home is important, so we always work professionally, keep the site clean, and complete jobs on time and within budget. Customer satisfaction is our priority, and we aim to build long-term relationships through trust, reliability, and excellent results. Our Guarantee We offer a 6 month workmanship guarantee on all completed work for your peace of mind. This covers installation faults and workmanship issues. Materials supplied by clients and general wear and tear are not included. Get in touch for a free quote — we’re happy to discuss your project.
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Da Hora Construction LTD
No reviews yet
Extension Builder in Blackfriars
London-based specialists in residential renovations and extensions, delivering tailored, well-executed construction with attention to detail.
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10/ten construction ltd
Rating: 5 out of 5
Extension Builder in Blackfriars
Hi I am Landi, 33 years old, I’m in construction industry over 15 years. Build your future with us! We are constantly developing our skills and expanding the knowledge, so as to provide you with modern and effective services. Our team is always up-to-date with all the most important novelties in the field, what makes it possible for us to apply innovative techniques and use professional tools. Thanks to that, we can perform complete refurbishment perfectly. If you choose us to be your building contractors, you can be certain that every project will be precisely planned and carried out. 10/TEN CONSTRUCTION LTD
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Latest review:
Carpentry- 6 Dec 2024
We recently had Landi around to quote on a number of jobs we needed doing around our house. We booked him to fix our roof, which was leaking water - he and his team did an absolutely fantastic job. They were responsive, thorough and did a great job. We won't hesitate to recommend him to anyone and get him back for any work we need doing.
FF Solutions Ltd
Rating: 5 out of 5
Extension Builder in Blackfriars
FF Solutions Ltd is a London based building company with an excellent reputation. Delivering project managed high standard workmanship with customer focus. FF Solutions provides a complete service from design to completion or working in partnership with your chosen architect. whether your looking to refurbish one or two rooms or need to completely renovate your property we are able to help.
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Latest review:
Extensions- 2 Aug 2019
FF Solutions did a fantastic job on our single storey extension with ensuite. Jay would give me daily updates as to what works were taking place and his attention fo detail is fantastic. His suggestions for cerfain aspects of the works were spot on especially our new shower room finishes. His prices were very reasonable considering rhe high spec of his workmanship. His lads were all excellent and polite and on a whole we had made the right choice choosing FF Soltions. I would 100% recommend Jay and his lads to my friends and anyone reading this feedback.
Z&S Builders Ltd
Rating: 4.7 out of 5
Extension Builder in Blackfriars
Z&S builders are an equal opportunities employer. We are diverse workforce made up of hardworking, experienced people . We provide our customers the best service. Our quality of work is higher and we never compromise with the quality.
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Latest review:
Painting & Decorating- 16 Sep 2021
Don’t trust them they lying in every bit we send them back on the first day of the work
ASECO Electrical Solutions
Rating: 5 out of 5
Extension Builder in Blackfriars
I'm a qualified and self employed electrician with over 10 years experience in electrical industry. I specialise in all aspects of domestic and commercial installations. With me you will get high quality standard of work and reliable services at competitive price.
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Latest review:
Electrical- 29 Apr 2022
Did really great work for a fair price. Will definitely use again. Very informative and he helped get plugs in the right place
Urastar Construction Ltd
No reviews yet
Extension Builder in Blackfriars
Interior and Exterior Works, Extension and Loft Conversions, Renovations, Refurbishment, Civil Engineering Consultancy
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Rafa360
Rating: 5 out of 5
Extension Builder in Blackfriars
Hello, I'm Rafa360. I'm experiencing digger and dumper driver. I have many years of experience with groundwork, demolition, construction sites. I have private mini digger and many other tools whatsoever you need to do your work. Rafa360 based in Greenford London offering service of Groundwork Mini digger and dumper Digging foundation for extension Digging trenches Demolition Shed removal Wall removal Concrete path, base removal Concreting Shed base Retaining wall Handyman Fencing Driveway Garden cleaners Garden Levelling Tree stump removal And many others Nothing job is too big or to small no hesitate to invite me if you need to do your task with good quality and responsibilities person. Regards Rafa360
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Latest review:
Groundwork & Foundations- 13 Feb 2026
Rafa is a good tradesman and worked well. Would hire him again.

4.3

Top rated Extension Builders

Our Extension Builders in Blackfriars, are rated 4.3 out of 5 based on 17 reviews from customers like you.

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

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

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

What are the hourly rates of extension builders in Blackfriars?

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

Find extension builders in Blackfriars with MyBuilder

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

Step 2: Compare different extension builders in Blackfriars

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

Step 3: Hire Blackfriars extension builders with confidence

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

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

What to ask a Blackfriars extension builder before hiring?

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

An extension builder in Blackfriars 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 Blackfriars 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 Blackfriars?

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 Blackfriars 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 Blackfriars 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 Blackfriars

Can an extension builder in Blackfriars help with planning permission?

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

Many Blackfriars 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 Blackfriars help with materials and finishes?

Yes, most extension builders in Blackfriars 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.