Leading Tarmac & Groundworks Contractors in the South West

Commercial

Our commercial surfacing division is led by a knowledgeable and proactive team with extensive experience in delivering high-quality surfacing projects. From small-scale maintenance works to large commercial developments, we work closely with our clients to provide reliable, cost-effective solutions without compromising on quality or safety.

Commercial

Residential

As well as delivering high-quality surfacing solutions for commercial and highway clients, we are proud to offer the same professional service to homeowners across the South West.

Whether you're looking for a new driveway, private road, parking area or groundwork preparation, our experienced team will work with you from start to finish to deliver a durable, high-quality finish that enhances your property and stands the test of time.

Residential

Groundworks

Our groundworks division was established to support our surfacing operations, ensuring every project is built on the right foundations. Whilst surfacing remains our core focus, we also provide a range of groundwork services for both domestic and commercial clients.

Groundworks

Plant & Machinery Hire

We pride ourselves in always investing and updating our Plant and Machinery so that it is the best on the market. Our fleet of machinery is all sourced from leading manufacturers so that we are able to pass on an efficient and reliable service.

Plant & Machinery Hire

About Us

Devon Tarmasters is a trusted surfacing contractor delivering high-quality asphalt and groundwork solutions across the South West. From residential driveways to large-scale commercial developments and highway maintenance projects, we are committed to providing a professional, reliable service and exceptional workmanship.

Today, the business is led by an enthusiastic, forward-thinking management team with a clear vision for the future. We are passionate about continually improving the way we work, investing in our people, embracing modern technology and delivering the highest standards of quality, safety and customer service.

While building on the strong reputation Devon Tarmasters has earned over many years, we are committed to driving the business forward through continuous improvement, innovation and a genuine focus on our customers and our people.

Whether we're working for a homeowner, local authority, commercial client or principal contractor, our aim is always the same – to deliver safe, high-quality projects on time, on budget and to the highest standard.

What Our Customers Say

Thank you for your incredibly kind donation of the labour, materials, and machinery which were involved with tarmacking the back lane and helped towards the build of our new extension and access to our property. The extension was built to ensure that Frazer has all he needs as he battles with Late Infantile Battens Disease. The development of the extension has already proved invaluable. Thank you on behalf of Frazer and our family.

The Wilton Family

We took 4 quotes and this was the best value for money. All staff involved were exceptionally helpful, professional and friendly. I am delighted with the finished product and would highly recommend Tarmasters to anyone.

Mr Stuart Logan

Thank you to you and your site team for all the effort in delivering Ladysmith Junior School and South Molton Community College successfully on time. The Client (Education Funding Agency), their advisors Acadis and the schools themselves are delighted with the end result. Please pass on our thanks to your site team, your input and efforts have been greatly appreciated on what at times has been a demanding scheme. We look forward to working with you again in the very near future.

Graham Kingdon
BAM Construction Ltd

The Wilton Family

Latest News

We Now Offer Paco Patching Services!

10th February 2026

We’re pleased to announce that we are now an IKO-approved registered contractor for the delivery and installation of ironwork reinstatement using the IKO Paco Patching system. Paco Patching is a proven, permanent pothole and carriageway repair solution designed to deliver durable, high-quality results. The system uses a specialised cementitious grout combined with graded aggregate to…

Not all projects are asphalt!

5th August 2024

Since last May, we have been fortunate enough to play a huge part in delivering the new dual carriageway between Chiverton and Carland Cross, on the A30 in Cornwall. Laying aggregates through a paver is a relatively new concept, but one we were really excited to be involved in! A year later, a lot of…

What we have been up to!

2nd September 2021

Thankfully, things could only look up from the year 2020. We left behind a year of uncertainty and disruption, and we have been working on some really exciting new projects since the start of 2021. It’s always great for prospective and current customers to hear about what we have been working on and for us…

Introducing our sister company – DTM Grab Hire

7th January 2021

Here at Devon Tarmasters, we are constantly looking at ways to streamline our processes, and to make sure our customers get the best service from start to finish. Way back in 2019, before the world was turned upside down, the management board sat down to look at ways in which we could improve the groundworks…

Moving Forwards

1st September 2020

As we return to a “new normal”, it is an opportunity for us to reflect on how we have managed the challenges that have been thrown our way and how we have adapted to the task in hand. There is no denying that the entirety of the construction industry has been adversely affected by Covid-19,…

Keyworkers We Would Like To Say Thank You

7th May 2020

In the last 2 months, the Corona Virus has made us re-evaluate everything we have ever known or thought about our existence on this very fragile planet. I believe that as a country we have shown a huge sense of spirit, and I am hoping that the lessons we have learned during lock-down will follow…

Coronavirus Update

24th March 2020

Over the last few weeks, we have all been holding our breath, hoping that this Coronavirus pandemic will show signs of slowing down and we can all resume some kind of normality. Unfortunately, that hasn’t been the case, and we now need to take the appropriate steps to protect both our employees and our business.…

Out with the old – in with the new!

2nd March 2020

As we begin 2020, we decided that with a new year should come a fresh new look. Of course, we still have the same great product, and the same dedication to providing an outstanding and reliable service, just on a better-looking background. In the past year, we have invested heavily in updating our Plant and…

Limiting our carbon footprint

24th February 2020

Earlier in the year, the management board sat down to discuss how to do our bit in reducing our carbon footprint. Being viewed as a socially responsible company is important for us- we want our customers to trust that not only are we wanting to provide a great service, but we want to give back…

Past and present projects

17th February 2020

This year we have worked on a huge variety of projects, namely within the South West but also nationwide, and are proud to have a diverse list of jobs under our belt. No job is too big or small in this industry, and we are just as happy to quote and undertake small residential jobs…

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Unit 1, Ambrison House, Lornhaven Business Park, Dolbeare Road, Ashburton, TQ13 7FF.
Company Reg: 06661700