Extension Builders in Darwen

Name: Extension Builder
Brand: MyBuilder
SKU: extension-builder
Rating: 4.6 (10 reviews)

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Some of our top rated extension builders in Darwen

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Status Projects Ltd
No reviews yet
Extension Builder in Darwen
We have extensive experience in construction and specialise in extensions, driveways, conversions, HMO’s and new build or bespoke houses.we also do commercial works to pubs, retail, education and hospitals. The director has 20 years experience in the industry working for large and small organisations and has taken the good from the companies he has worked for and created this business. Take a look at our website and the uploaded pictures for some of the fantastic projects completed.
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Jk building
No reviews yet
Extension Builder in Darwen
My names jack I’m a bricklayer from Heywood. Time served, been bricklaying for almost 15 years and done everything from little pillars to million pound houses. I look forward to my journey on here and making all my customers happy with competitive prices & high quality work.
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Stevens brickwork
No reviews yet
Extension Builder in Darwen
We are extension specialists with over 35 years in the trade
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FERINA projects
Rating: 4 out of 5
Extension Builder in Darwen
FERINA Projects specialize in bar and Restaraunt fit outs and commercial office fit outs. Our domestic arm specialise in home extensions, loft conversions and bespoke joinery, this is from conception to completion. With a vast array of skilled operatives who have worked together for many years quality and trustworthiness cannot be surpassed.
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Latest review:
Conversions - General- 2 Mar 2024
The goods were moved but there was no careful consideration when the items were moved across. It became very difficult to reorganise everything.
CFL Joinery & Construction
No reviews yet
Extension Builder in Darwen
CFL Joinery & Construction is led by a fully qualified Level 3 Site Joiner/Carpenter (City & Guilds) with many years of hands-on experience across the construction industry. We combine expert knowledge, precision craftsmanship, and a genuine commitment to delivering high-quality workmanship on every project. Due to continued demand from returning clients and recommendations, we have expanded our services to provide a wider range of building solutions. Alongside professional joinery, we can assist with general construction including electrical installation, plumbing and gas works, bricklaying, and other associated trades, offering clients a reliable one-stop solution for their project. All work is completed to a high professional standard with close attention to detail from start to finish. We aim to offer competitive and transparent pricing and can often improve on previous quotes without compromising on quality. We pride ourselves on being friendly, reliable, and approachable, and we always do our best to accommodate urgent or time-sensitive work wherever possible. For enquiries, advice, or quotations, please get in touch by phone or email. We are always happy to help and discuss your project.
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Streamline Projects UK
No reviews yet
Extension Builder in Darwen
Welcome to Streamline Projects UK – your local, professional building firm tackling home extensions, loft conversions, and more throughout the North West region. Based in Atherton, we provide a level of customer service that is unrivalled across the Greater Manchester and Lancashire areas. We work closely with private homeowners and property investors alike to deliver exceptional design and building solutions you can depend upon. Our Vision To provide a full build service to a high standard from start to finish so people can enjoy their homes for years to come. Our Mission We provide a high level of workmanship from start to finish. Whether you can see it or not, every aspect of the job is finished to an impeccable standard. No cover-ups. No hidden surprises. Just showroom quality from foundations to finishing. Our Culture We promise honesty, transparency, and a high level of workmanship at every stage of the project. We foster great relationships with our tradespeople and clients alike, with open communication guaranteed.
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Primus Energy Ltd
Rating: 4.3 out of 5
Extension Builder in Darwen
Primus Energy serve North West England and North Wales - with a combined experience of over 60 years in fitting and repairing boilers, general plumbing, decorating and building works. An individual project manager will be assigned to make sure your works are done smoothly and to your satisfaction.
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Latest review:
Carpentry- 3 Aug 2024
Peter completed my job to a high standard. He quickly came out to quote up the job and I booked in with him within a couple of days. He was super helpful with offering advice as well as collecting the materials required for the job. Really happy with the work he did and would use again for future jobs.
CK Installations (North west) limited
No reviews yet
Extension Builder in Darwen
We are a family business based in Standish, undertaking all home improvements, mainly kitchens, extensions, loft & garage conversions. New kitchen showroom opening in April. Working heavily on repeat business and recommendations, we have a vast portfolio of jobs for you to view and beautiful photos and samples.
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Graham Smith
No reviews yet
Extension Builder in Darwen
Dry lining, Skimming walls and ceilings, waterproof rendering. Over 30 years experience.
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John Bailey
No reviews yet
Extension Builder in Darwen
I’m a fully time served nvq level 3 bricklayer , with over 25 years experience, also confident in all aspects of roofing and build and seal extensions.
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A senogles
No reviews yet
Extension Builder in Darwen
All aspects of joinery undertaken big or small and completed to a high standard . nvq level 3 in carpentry and joinery gold Cscs card first aid trained smsts qualified 18 years experience
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Vinny Anderton
Rating: 5 out of 5
Extension Builder in Darwen
I am a time served bricklayer with over 40 years experience. I can take on any job small or large including complete extensions including landscaping. I am happy to show potential customers any previous jobs that I have completed. I am a trustworthy honest reliable bricklayer and will not promise to take on any job that I cannot commit to or let you down.
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Latest review:
Removal of existing conservatory and erection of single storey extension across the full width of back of the house . Including pitched roof with sky lights, patio doors and window to rear and side. Existing rear doors and walls were also removed. Throughout the build I was regularly consulted on progress, any issues were discussed and alternative products sourced ( roof windows) The work was completed to a very high standard, any delays down to weather issues were always discussed .every week I was aware of the plan of work for the following week. Mr Anderton was very professional and reliable throughout the build.
C r joiners and builders
No reviews yet
Extension Builder in Darwen
I undertake any building and joinery work with a wealth of knowledge of the building trade as I served my time as a joiner from school . I undertake anything from roofs to kitchens , extensions to garage conversations, bathroom fit outs to loft conversions . I have a long list of happy customers which I can prove and have worked on some quite challenging and bespoke projects . I finish my work to the highest standard and will not leave the job until my client is happy .
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N.C.B Building
No reviews yet
Extension Builder in Darwen
I’m a local builder, that undertakes extensions, loft conversions, renovations etc. I’m a self employed sole trader, with over 25 years experience in working in the trade. I started out in the bricklaying trade but now class myself as a very competent multitrade.
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Esbp specialists ltd
No reviews yet
Extension Builder in Darwen
Esbp specialists Ltd are pleased to offer our services with over 35years in the industry All aspects of building work undertaken to high quality standards all work guaranteed and fully insured
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PJL Building Works
Rating: 5 out of 5
Extension Builder in Darwen
Hello I'm Paul. Thanks for reading our profile, We have 25 years experience in building, with vast experience in most trades. We are fully insured local builders, our line of work is residential and commercial Extensions, Garden walls, Structural alterations, New builds, Outbuildings, Conservatory bases, Conversions. I like too run my business the way I’d want a builder too treat me. Quality workmanship, Reliability, Site left clean and tidy daily, Minimum stress for customer, Everyone happy on completion of work.
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Latest review:
Extensions- 9 Jul 2026
If you want to do an extension Paul and his crew are right people for you. From the begining to the end you're being informed about the stage. If in doubt Paul is always responsive over the phone. Thank you for transforming our home.

4.6

Top rated Extension Builders

Our Extension Builders in Darwen, are rated 4.6 out of 5 based on 10 reviews from customers like you.

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

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

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

What are the hourly rates of extension builders in Darwen?

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

Find extension builders in Darwen with MyBuilder

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

Step 2: Compare different extension builders in Darwen

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

Step 3: Hire Darwen extension builders with confidence

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

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

What to ask a Darwen extension builder before hiring?

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

An extension builder in Darwen 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 Darwen 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 Darwen?

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 Darwen 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 Darwen 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 Darwen

Can an extension builder in Darwen help with planning permission?

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

Many Darwen 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 Darwen help with materials and finishes?

Yes, most extension builders in Darwen 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.