Extension Builders in Lostwithiel

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Some of our top rated extension builders in Lostwithiel

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Main Construction
Rating: 5 out of 5
Extension Builder in Lostwithiel
We at Main Construction provide a quality service with quality workmanship in the building industry. All work guaranteed. With fully insured tradesmen. For all your building plastering painting & decorating needs plus much more. Family business over 35 years experience in the building industry
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Latest review:
Michael built our outside wall and built a fish pond, he also built my shed and plastered the front room walls. The work was finished to a very high standard, he was on time every day and when he left made sure everything was clean and as he found it. I will certainly use him again for work.
NJM Building & Plastering Services
Rating: 5 out of 5
Extension Builder in Lostwithiel
All aspects of General building, Plastering,Extensions,Renovations, Roofing andFencing the list goes on. Very competitive rates I have 12 years experience, 6 of which I was employed and then self employed ever since. Also my father helps on any big jobs vicevirser! He also has 30 years experience. I am new to this site (27/2/28) Happy to quote for anything, no job to big or to small Can provide more photos on request.
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Latest review:
This is the 3rd project Nick has worked on for us, most recently completing a 2 storey extension. He assisted on the project from the groundwork’s up to finishing touches including flooring and a decorative patio. Nick is conscientious and takes great pride in achieving a first class finish. We would not hestitate to use him again or recommend him to anyone else.
Tavistock plastering service
Rating: 5 out of 5
Extension Builder in Lostwithiel
We are a plastering business in Tavistock with over 15years experience in the building industry. We aim to give our customers a cost effective plastering solution delivered on time and within budget so why not get in touch for your free no obligation quote.
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Latest review:
Plastering- 25 Oct 2019
Brilliant! 5* for speed of response, quote, coming two days later and having the whole room done by 2pm - including tidying up! All with excellent humour and good chat. Definitely use them again 👍
james gibbs
No reviews yet
Extension Builder in Lostwithiel
Builders with 15yrs experience.
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ATC Building services
Rating: 5 out of 5
Extension Builder in Lostwithiel
We are a family run business with over 15 years experience specialising in extensions and refurbishment projects . We also carry out all aspects of bricklaying and patio laying. our main aim is to bring the customers vision to reality
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C J Boyce Building Contractor
No reviews yet
Extension Builder in Lostwithiel
I am a general builder that has lots of experience in masonary and carpentry work but can carry out any job to a high level of craftsmanship that is required
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R j builders
No reviews yet
Extension Builder in Lostwithiel
All aspects of construction except gas and electrical works
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TT Building
Rating: 4.7 out of 5
Extension Builder in Lostwithiel
Hello and welcome to TT Building, We have over 30 years experience in the building and renovation trade, we have worked for various companies over the years including English Heritage, we undertake all aspects of building work including carpentry, loft conversions, upvc windows, doors and conservatories, also all types of flooring. We are fully insured.
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Latest review:
Hard Flooring- 6 Jun 2024
Tony did a fantastic job of fitting our laminate flooring. Thanks so much Tony!
JD & SON BRICKLAYING.
Rating: 5 out of 5
Extension Builder in Lostwithiel
Small team dedicated to the cause in getting the job done correctly in the first instance.Trading for the previous 10 years subcontracting on major new build sites in Plymouth and surrounding areas undertaking ANY wet trades,aswell as tiling,plumbing,landscape gardening also small roofing jobs.No job too big anything can and will be done with JD Building Services We haven’t really been using our account here as we have been to busy. We look forward to hearing from you. All the best
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Latest review:
Stonemasonry- 4 Apr 2025
Top quality stonework. Very pleased with James work.
MK Remedial Construction Ltd
Rating: 5 out of 5
Extension Builder in Lostwithiel
MK Remedial Construction Ltd has delivered remedial construction across Cornwall and Devon for 30 years. Our skilled team tackles structural defects, damp issues, traditional and modern plastering and complex refurbishment. With efficient, durable solutions, blending modern techniques with traditional craftsmanship to keep properties safe and long-lasting for years to come.
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Latest review:
Conversions - General- 1 May 2026
Job went exceptionally well, Mark was communicative at all stages offering resolves on the spot for the inevitable hiccups. His team were careful and engaging and they all arrived on time every morning. Mark even went above and beyond after the job was finished to help me with the final finishing. Highly recommended and will be using again.
Tyler gorman
Rating: 4.4 out of 5
Extension Builder in Lostwithiel
My name is Tyler, I’ve been a landscaper groundworker for over 10 years. Joined up with another company to make a full build team with over 30 staff, subbies and employed. Any references pixtures etc will be happy to send.
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Latest review:
Landscaping- 22 Apr 2026
Very professional, did my entire patio efficiently and to a very high standard. Listened to exactly how I wanted it to look, and always replied to me in a timely manner
HTCARPENTRY
No reviews yet
Extension Builder in Lostwithiel
I’ve got 9 years experience on site work predominantly doing carpentry but have experience in other aspects of site work. I’ve carried out work from the ground up covering all areas of carpentry from simple studwork to finishing details there’s no job to big or to small. I cover the whole of Cornwall based around Newquay and Penzance. Follow my instagram for photos of work carried out - CARPENTRY CREATIONS CORNWALL Fully insured.
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Anthony Henwood
No reviews yet
Extension Builder in Lostwithiel
Self employed plaster/builder 35 years experience Honest tradesman
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Spindrift Services
New on MyBuilder
Extension Builder in Lostwithiel
We are Spindrift Services, established in 2026 after many years working individually as sole traders and successfully collaborating together for the past four years. Michael is a classically trained carpenter with 25+ years of experience in the industry. He has extensive knowledge across all aspects of construction and has completed a wide variety of projects, including doors, kitchens, bathrooms, roofing, extensions, conversions, outbuildings and much more. Liam has over 10 years experience, originally specialising in landscaping and external construction projects such as fencing, patios, walling, pergolas, and luxury treehouses. He later progressed into interior renovations, property conversions, and full rebuilds. We also specialise in the installation and remediation of fire doors and have worked extensively with hospitals, schools, and student accommodation across the UK. We pride ourselves on delivering high-quality workmanship with a premium finish while treating every client’s home with the same care and respect as we would our own. Reliability, professionalism, clear communication, and attention to detail are at the heart of everything we do. Please take a look through our gallery to see examples of our completed projects
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FpM-Build-Projects
No reviews yet
Extension Builder in Lostwithiel
Solo Handy Man Builder…Hardworking individual with creativity and knowledge who takes pride in providing a good service…Generally I work on small projects, domestic builds, alterations, renovations, extensions and landscaping. General home DIY from flat pack to kitchen fitting assembling including any other internal work.
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TH Building Services
No reviews yet
Extension Builder in Lostwithiel
Over 20 years experience within the trade. Have completed many extensions, new builds and conversions. Deal mostly in all aspects of masonry construction now such as blockwork, brickwork, stonework, etc
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What types of services are offered by local extension builders in Lostwithiel?

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

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

What are the hourly rates of extension builders in Lostwithiel?

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

Find extension builders in Lostwithiel with MyBuilder

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

Step 2: Compare different extension builders in Lostwithiel

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

Step 3: Hire Lostwithiel extension builders with confidence

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

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

What to ask a Lostwithiel extension builder before hiring?

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

An extension builder in Lostwithiel 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 Lostwithiel 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 Lostwithiel?

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 Lostwithiel 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 Lostwithiel 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 Lostwithiel

Can an extension builder in Lostwithiel help with planning permission?

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

Many Lostwithiel 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 Lostwithiel help with materials and finishes?

Yes, most extension builders in Lostwithiel 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.