Extension Builders in Penryn

Name: Extension Builder
Brand: MyBuilder
SKU: extension-builder
Rating: 5 (2 reviews)

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Some of our top rated extension builders in Penryn

229 Results

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Kuggar stonemason
No reviews yet
Extension Builder in Penryn
I’ve been in the trade for 40 years I carry out new builds extensions renovation I work to high standard
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DKP Groundwork & Landscaping
Rating: 5 out of 5
Extension Builder in Penryn
We are a family run business of 20+ years who take care in every job we do. we undertake all your building and landscaping work from House extension Patio / Path Drainage Fencing Decking Stone or block walling Garden Outbuildings Turfing & More Please contact us for a free quote Many Thanks
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Latest review:
Dan at DKP Groundworks was great from start to finish. We had a complete garden transformation. Dan took what we wanted and gave us ideas along they way to give us our dream garden. He was clear on pricing from beginning to end. Gave us the choice to order bits ourselves or let him organise orders and delivery’s. He done a real solid professional job all round. We had concrete and soil removed, drainage put in, walls built, patios laid, fencing and new turf, all done by Dan. Thanks Dan, we love our new garden 🙂
Sam Faulkes
No reviews yet
Extension Builder in Penryn
TF
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Karl Purcell Carpentry Ltd
No reviews yet
Extension Builder in Penryn
Hello , I’m Karl Purcell, Director of Karl Purcell Carpentry Ltd , we are a Truro based business with 25 years of experience in the building industry undertaking all aspects of building from a kitchen make over to complete home renovation/refurbishment , we pride ourselves on an honest,professional and reliable service
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ANNED DEVELOPMENTS LTD
No reviews yet
Extension Builder in Penryn
Anned Developments is a multi-disciplinary construction company delivering high-quality renovations, extensions, and new builds. With all trades working directly for us, we provide a complete service covering project management, engineering, and every phase of construction. We support both private clients and public-sector organisations, delivering reliable, fully managed building solutions.
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Cornish Traditional Builders
No reviews yet
Extension Builder in Penryn
My name is Joe I have been a builder for 24 years. I like to be clean and prompt. I enjoy my job, meeting new people and helping them with their homes or projects.
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EWPM
Rating: 5 out of 5
Extension Builder in Penryn
We are a well established construction company and offer a complete build contractor service. We undertake various projects ranging from small patios to complete renovations. We pride our selves on completing a good job with a friendly service and competitively priced. Please give us a call today for a non obligation quote. We look forward to hearing from you. Many thanks Edward Winter
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Latest review:
Extensions- 14 Mar 2023
Great guy. Very informative and comes with good suggestions on the project.
J.A.B Landscape Construction
Rating: 4.9 out of 5
Extension Builder in Penryn
My name is Ben Rickard I am a landscaper/mason who has been in the general building trade for 10+ years, working on all types of projects mason and carpentry. I work with another Landscaper/mason (Joe Sands) who has had 6+ years experience in the industry, we both offer a wide range of services, anything not listed can be discussed just ask us, we specialise in block/brick/stonework/plastering/slabbing/fencing/decking and all other landscaping aspects.
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Latest review:
Bricklaying- 27 Apr 2026
Simply amazing. Reliable, and excellent attention to detail. Very tidy brickwork, it's just a shame I didn't find them sooner. I'll definitely be saving their number and going direct from now on.
Shaun Yates General Building and Plastering
Rating: 5 out of 5
Extension Builder in Penryn
Established in 1988, we have covered Cornwall for 30years. We have a wealth of knowledge covering groundworks to roof. We aim to please, and make the job stress free for you. We are clean, tidy, and polite. Can cope with a 10min roof repair to a complete extension, a tap washer to a complete bathroom installation. No job is too small. NO VAT!! Please call me for advise
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Latest review:
Roofing (Pitched)- 17 Apr 2025
Shaun was easy to contact and completed the job quickly.
Crofty Construction Ltd
No reviews yet
Extension Builder in Penryn
At Crofty Construction, we bring hands-on expertise, local knowledge, and a commitment to quality to every project we take on. Based in Cornwall, we specialise in residential building work — from extensions and renovations to structural repairs and bespoke finishes. With over 20 years of experience, our team combines practical know-how with a friendly, professional approach. We’re proud to offer clear communication, reliable timelines, and a clean, respectful worksite. Whether you’re planning a small upgrade or a major transformation, we’ll guide you through the process with transparency and care. We hold full SMAS Worksafe accreditation, are Gold members of Constructionline, and our team is SMSTS, CPCS, and CSCS qualified — ensuring your project is delivered safely, professionally, and to the highest standards. We’re fully insured, compliant with all building regulations, and happy to provide references from previous clients. If you’re looking for a builder who values craftsmanship and community, Crofty Construction is here to help.
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MAG CARPENTRY AND CONSTRUCTION
No reviews yet
Extension Builder in Penryn
We build to an exceptionally high standard, delivering quality craftsmanship across all aspects of building works. We are a friendly, approachable team while remaining highly professional, flexible, and committed to maintaining the same high standard of work on everything from the smallest jobs to full new-build projects.
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T W Picco
No reviews yet
Extension Builder in Penryn
I am Toby Picco and I operate as an independent, general builder. I have over 10 years experience in the building trade and can provide a one stop solution, covering all your building requirements.
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K.Jose & T.Rice
No reviews yet
Extension Builder in Penryn
Tim Rice and Kevin Jose. Carpentry and building. Free quotations/advice. 60 years experience between us, many happy customers. References available, previous projects can be visited. We have a full team of qualified tradesmen at our disposal to ensure all aspects of your project can be completed to the highest standard.
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Wood Design and Carpentry
Rating: 5 out of 5
Extension Builder in Penryn
Our Goals: To produce the highest quality finish on all products To enhance your home with the natural feel of wood To provide a fair pricing policy To ensure you are happy with the job
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Latest review:
Carpentry- 20 Aug 2026
Easy to download app. Immediate posituve response. Being new to area this app is most useful. Hoping the job is satisfactorily completed and if so look forward to using app again.
JC Construction
No reviews yet
Extension Builder in Penryn
Skilled in brick work and block work houses or extensions, patios and brick paving with 20 years experience
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Trevorrow Timber
Rating: 5 out of 5
Extension Builder in Penryn
Hi! I’ve been working as a carpenter and joiner for the last 15 years and a site Forman for 6 years on new builds, extensions and conversions. As an traditional oak framer by trade you can expect the highest quality of workmanship. I’m approachable, professional, honest and reliable. I have great contacts with trades, suppliers and building control to ensure your job get done on time and to budget. Look forward to working with you! Ben Trevorrow
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Latest review:
Carpentry- 3 Sep 2020
I would recommend Ben to anyone who wants a first class piece of joinery. Ben made 2 large double doors and replaced a section of decking. He moved his work around as the job was urgent, turned up when he said he would and worked late into the evening to get the job done. A first class service. Will most definitely use him again. Thank you, Ben.

Top rated Extension Builders

Our Extension Builders in Penryn, are rated 5 out of 5 based on 2 reviews from customers like you.

Quality screening

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

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

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

What are the hourly rates of extension builders in Penryn?

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

Find extension builders in Penryn with MyBuilder

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

Step 2: Compare different extension builders in Penryn

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

Step 3: Hire Penryn extension builders with confidence

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

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

What to ask a Penryn extension builder before hiring?

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

An extension builder in Penryn 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 Penryn 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 Penryn?

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 Penryn 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 Penryn 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 Penryn

Can an extension builder in Penryn help with planning permission?

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

Many Penryn 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 Penryn help with materials and finishes?

Yes, most extension builders in Penryn 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.