Extension Builders in Castleford

Name: Extension Builder
Brand: MyBuilder
SKU: extension-builder
Rating: 4.4 (7 reviews)

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Some of our top rated extension builders in Castleford

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GWT Construction Limited
Rating: 1 out of 5
Extension Builder in Castleford
We undertake a large cross section of construction services including renovation, restoration, extensions, conversions and new builds. GWT Construction employs multiple skilled tradesman in groundwork, landscaping, masonry, brickwork, carpentry, joinery, plastering, rendering and roofing which allows us to carry out the above mentioned projects proficiently. We have over 60 years of experience on many prestigious projects and hope you entrust us with your valued work.
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Latest review:
Extensions- 21 Dec 2021
Would not recommend these to anybody. They consist of Father Tony, Gareth (GWT) son and Ted - son. They started our New Build in March this year with a finish date Mid September. The schedule was amended and another date provided of the first week of November, this was amended to the 17th of November. We requested a finish date, they didn't provide one, so we accepted that they would leave site. They have left us with lots of problems, took a deposit for Air Source Heating but did not pay it over to them. We needed the build to be completed by the latest the end of January, we have not got the second fix done yet, no interior. We would estimate there is three to four months work yet, which makes it March 2021 ( A year when 6 months was quoted). There has not been any delays due to supplies and Covid, we have had a kitchen sat on site for 3 Months in line with there latest schedule. We strongly recommend that these be given a wide birth. They have passed on comments about ourselves, making it difficult for us to access tradesmen.
Oliver Gilley
No reviews yet
Extension Builder in Castleford
I am a 2yr joinery apprentice I am wanting to take my own little jobs on I am very handy I can take on doing different jobs, I am not just a joiner I have covered all trades to a small degree.
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v a froggatt builder
Rating: 5 out of 5
Extension Builder in Castleford
Hello my name is Adam...I am a tradesman first and foremost with over 35 years of building experience. Fully qualified in brickwork and stonework. Reliability guaranteed.
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Latest review:
Bricklaying- 16 Dec 2024
Replaced the lintels above our window and patio doors. Did a really good job, very neat. Thanks a lot
Doability Limited
No reviews yet
Extension Builder in Castleford
I'm your versatile builder, dedicated to making your visions a reality. With a rich construction background, I handle everything from household repairs to joinery work. I design and construct additions that blend perfectly with your existing space. As a renovation maestro, I transform outdated areas with a keen eye for design and a commitment to quality. What sets me apart is my customer-centric approach—transparent communication, attention to detail, and a dedication to meeting deadlines.
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phillip ross-williams
Rating: 4.7 out of 5
Extension Builder in Castleford
We are a locally owned and operated business based in York, with over 25 years of industry experience. Our team is equipped to manage a wide range of projects, from expansive wrap-around home extensions to small garden patios. We pride ourselves on our strong reputation and have built a substantial client base that readily endorses our work. We encourage potential customers to visit any of our previous or ongoing projects to gain insight into our quality and professionalism.
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Latest review:
Conversions - General- 19 Aug 2025
Phill did a great job! Very happy with all!
GPM Masonry Ltd
No reviews yet
Extension Builder in Castleford
For home extensions, new builds to bespoke hard landscaping. Specialist in stone masonry and building restoration services. Friendly, local builders delivering a high standard of finish and clean working.
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Mr Craig Smith
No reviews yet
Extension Builder in Castleford
Mainly new build but also done plenty of extensions and walls. Have also laid paving slabs . Can lay brick block and stone
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Virtue Developments York Ltd
No reviews yet
Extension Builder in Castleford
At Virtue Developments, we bring your vision to life with quality craftsmanship and a commitment to excellence. From residential builds and renovations to commercial projects, we handle every detail with care, professionalism, and clear communication. Our experienced team works closely with clients to deliver projects on time, on budget, and to the highest standard. Whether you’re planning a new home, an extension, or a complete refurbishment, trust us to build spaces that inspire and endure.
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JB CONSTRUCTION LANDSCAPING & GROUNDWORKS LTD
No reviews yet
Extension Builder in Castleford
Why Choose JB Construction Landscaping and Groundworks Ltd? ✅ Experienced Professionals Our skilled team brings years of hands-on experience in both residential and commercial projects, ensuring every job is completed to the highest standards. ✅ All-in-One Service From initial design to final clean-up, we handle every stage of the project — so you only need to deal with one trusted contractor. ✅ Quality Guaranteed We use premium materials and proven techniques to ensure your landscaping and groundwork will look great and last for years. ✅ Customer-Focused Approach We take pride in our communication, reliability, and commitment to customer satisfaction. No job is too big or too small — and your input matters at every stage. ✅ Competitive Pricing We offer fair, transparent quotes with no hidden fees. Exceptional work shouldn’t come with a premium price tag. ✅ Fully Insured & Accredited Peace of mind comes standard. We're fully insured and adhere to all safety and quality standards in the industry.
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Halo1
No reviews yet
Extension Builder in Castleford
Qualified bricklayer with 30 years experience. Experienced with various house building ie renovation to new build. Good with brick or stone materials. Have good knowledge of old and current NHBC stand practices.
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SGR Masonry
Rating: 4.9 out of 5
Extension Builder in Castleford
Hi, my name is steve, i am a fully skilled mason bricklayer-with over 30 years excperiance-i take great care and pride in the work i do- and give 100% in everything i do.
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Latest review:
Bricklaying- 27 May 2021
absolutely fantastic service. the job was completed within in 2 days of the quote and to a high standard. did exactly what was requested and made sure all rubble was removed and cleared for me also, highly recommend as even finished off a couple of small bits which were not requested . Amazing team, would definitely hire again.
Rossington Property Care
No reviews yet
Extension Builder in Castleford
Worked in the building trade for over 38 years. Competent bricklayer, ground worker, most joinery tasks and roofing.
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REVERE DESIGN AND BUILD LIMITED
No reviews yet
Extension Builder in Castleford
Welcome to Revere Design & Build, we are a Harrogate based building specialist with over 20 years experience of delivering a wide variety of projects across Yorkshire and the North East. Our team of professional building contractors thrive on challenges and diversity and our services include everything from structural building services such as underpinning and crack stitching to building extensions and new build houses.
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D&J windows
No reviews yet
Extension Builder in Castleford
We do pvc doors windows and compasite doors
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Stuart Construction
No reviews yet
Extension Builder in Castleford
Stuart Construction is a family run and locally reputable Construction Company serving the Yorkshire and surrounding area. We take a comprehensive approach to project management, providing our clients with a wide range of services to cover their needs from the ground up. Get in touch today to learn more about what we can offer you and to receive your free quotation.
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Hawk Lodge Developments
No reviews yet
Extension Builder in Castleford
We are a highly skilled company specialising in renovations, extensions, garage, loft and basement conversion, barn conversions, Oak Frames/ Orangeries, restoration to properties & all aspects of joinery. We have been successful in the building industry for over 25 years with excellent craftsmanship and dedication to our wonderful clients. We have no exception to our quality and service. Member of The Guild of Master Craftsmen
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4.4

Top rated Extension Builders

Our Extension Builders in Castleford, are rated 4.4 out of 5 based on 7 reviews from customers like you.

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

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

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

What are the hourly rates of extension builders in Castleford?

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

Find extension builders in Castleford with MyBuilder

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

Step 2: Compare different extension builders in Castleford

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

Step 3: Hire Castleford extension builders with confidence

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

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

What to ask a Castleford extension builder before hiring?

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

An extension builder in Castleford 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 Castleford 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 Castleford?

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 Castleford 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 Castleford 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 Castleford

Can an extension builder in Castleford help with planning permission?

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

Many Castleford 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 Castleford help with materials and finishes?

Yes, most extension builders in Castleford 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.