Retaining Walls
Retaining wall construction for development, commercial and infrastructure projects across Exeter, Devon and the South West.
Retaining Wall Contractors in Exeter and Devon
Well-built retaining walls create stable, usable ground and protect everything built around them.
Sloping sites and level changes are a common challenge on development projects across Devon. At JMJ Groundworks, we construct retaining walls that hold ground securely for the long term, whether as part of a wider groundworks package or as a standalone service. From excavation and foundations through to drainage and backfill, our team takes care of every element of the wall, so it performs as designed for years to come.


Why Choose JMJ Groundworks for Retaining Walls?
A retaining wall is only as strong as what's beneath and behind it. We build every element properly.
Built to the Design
We work closely with structural engineers and designers, building each wall accurately to the specified design and setting out.
Strong Foundations
Every wall starts with a properly excavated and constructed foundation, sized for the load it needs to carry.
Drainage Built In
Water pressure behind a wall is one of the most common causes of failure, so we install effective drainage and free-draining backfill as standard.
Own Plant and Experienced Teams
With our own excavators from 3 to 13 tonnes and consistent teams, we can work efficiently on tight and sloping sites.
Case Study
Retaining Walls at School Close
Retaining structures for a modular housing development in Bampton
As part of the groundworks for School Close, a modular affordable housing development for Mid Devon District Council, our team constructed king-post retaining walls to manage the level changes across the site. Built alongside the foundation pads, drainage and external works, the walls created stable, usable ground around the new homes, and all our works were delivered to the tight programme dates set for the development.

What we offer
We construct a range of retaining structures to suit different sites, loads and level changes.
King-Post Retaining Walls
Steel posts with concrete panels, ideal for development sites with significant level changes and limited space.
Gabion Retaining Walls
Stone-filled wire baskets that are free-draining and flexible, well suited to embankments and landscaping.
Reinforced Concrete Retaining Walls
Cast-in-place reinforced concrete walls for higher retained heights and heavier loads.
Drainage and Backfill
Drainage pipes, free-draining backfill and weep holes to relieve water pressure and protect the wall over its lifetime.
Block and Masonry Retaining Walls
Blockwork retaining walls for boundaries, gardens and smaller level changes, built on properly designed foundations.
Trusted Across the South West
Read reviews from our valued clients.
Posted on Google![]()
lewis franklinTrustindex verifies that the original source of the review is Google.
We recently worked with JMJ Groundworks Ltd on the installation of a new wash bay at our premises, along with improvements to our car park, and we couldn’t be happier with the result. From start to finish, the team were professional, reliable, and highly skilled. The quality of workmanship is outstanding and everything was completed to a very high standard, on time, and with great attention to detail. They were well organised on site, communicated clearly throughout the project, and were a pleasure to work with. JMJ Groundworks delivered exactly what they promised, and the finished wash bay and car park have made a significant improvement to our operations and site appearance. It’s clear they take real pride in their work and run their business properly. We would not hesitate to recommend JMJ Groundworks Ltd to anyone looking for a dependable and high quality groundworks contractor and we look forward to working with them again in the future. LewisPosted on Google![]()
Chris JoyceTrustindex verifies that the original source of the review is Google.
Joe and the team at JMJ Groundworks are great to work with. Incredible work ethic and really high quality work. Couldn't recommend them enough.Posted on Google![]()
Eva NeitzertTrustindex verifies that the original source of the review is Google.
Joe and his team were fantastic. They worked incredibly hard to provide us with a drainage solution. Communication was clear from the outset. The team was professional and courteous. Would highly recommend.Posted on Google![]()
Joel HayesTrustindex verifies that the original source of the review is Google.
Amazing service. Went above & beyond.Posted on Google![]()
BARRY GEORGETrustindex verifies that the original source of the review is Google.
Very professional from quote through to completion. Very happy client.Posted on Google![]()
Sandy WinskillTrustindex verifies that the original source of the review is Google.
Excellent service, very quick and professional, we would recommend JMJ Groundworks to anyone.Posted on Google![]()
Alex WilceTrustindex verifies that the original source of the review is Google.
Joe gave us 5 star service from beginning to the end of the project. He was very friendly, professional and informative and did a great job building our patio on an awkward piece of land. I would highly recommend him.Posted on Google![]()
murchie69Trustindex verifies that the original source of the review is Google.
First time working with Joe and his team and hopefully won’t be the last. Very polite and approachable in dealing with a high profile client. Definitely recommend.Posted on Google![]()
John BensonTrustindex verifies that the original source of the review is Google.
We recently employed JMJ to fix a blocked drain and to repair the blockwork around it. Joe came out, gave us a quote and then did the work. We were very impressed not only with the workmanship, which was excellent, but with his whole approach. He kept us informed all through the work, so that we understood what he was doing and why. We would have no hesitation in recommending him. John Benson, Blair Atholl Management Co. Ltd 28/04/2023Posted on Google![]()
David HarveyTrustindex verifies that the original source of the review is Google.
Just finished working on a demolition and remediation project along side JMJ, very professional, look forward to them being on site at the next project
Need A Retaining Wall in Exeter and Devon?
Whether you’re managing a multi-phase development or a one-off infrastructure upgrade, we’re ready to help.

