Welcome to Renderwarm

Improve the Look of Your Home, Save Energy and Reduce Your Heating Bills with External Wall Insulation by Renderwarm Ltd in Coventry and Surrounding Areas

For an energy saving, cost-effective way to improve the look of your home, choose external wall insulation from Renderwarm Ltd in Coventry. You will benefit from a hard wearing, weather proof surface, which will also help reduce your heating bills and have a positive environmental impact. Our services have a range of benefits, and are all solutions to saving you money as well as improving your home to the best of our ability. All products used within our services are high quality in order to create long lasting effects. Here at Renderwarm we work by a strict do the job right – or don’t do it at all, mentality!

Installation Experts

Outstanding Customer Service

Energy Efficient

Save Money

Environmentally Friendly

Save Energy in Your Home Today!

Our number one focus at Renderwarm is providing outstanding customer service, from giving you wall insulation services to a high standard and quality, to being here for advice on what would work best for your home. We work to get the job done right the first time round, in order for minimal disruption in your home and everyday life. Always leaving your home the way we left it, we take all mess with us whilst cleaning as we go in order to keep on top of things! (we get that no-one wants to live on a construction site)



  • Very friendly staff who were happy to help. Prompt and reasonable quote. More than satisfied with the outcome, looks fab. Good after compilation service as well. Would recommend

  • Renderwarm were very reasonably priced and helpful when having my house rendered and one side insulated. David and the team were prompt and I can certainly recommend

  • We had our house rendered by Dave and his team and what can we say. What a transformation it has made! Our house was tired and ageing and now it looks like a different house! Renderwarm were very professional and cannot rate them higher. Would always recommend to anyone looking for a fantastic service and finish. Thanks guys!

15 Year Guarantee

Did you know that Renderwarm are approved installers for Johnston’s/ppg? We are one of the UK’s biggest EWI and Render suppliers – our team work around the clock to deliver high quality External Wall Insulation and Rendering services. All of our external wall insulation work comes with a 15 year guarantee, so you can rest easy knowing if something wasn’t right – you’re covered and in safe hands! All of our rendering work comes with a 10 year guarantee (covered by Johnston’s/ppg) Call Renderwarm today on 07495 408 813to speak with a member of our friendly team for more information on our services, and to book in for a consultation!


Get in Touch

Our Services

Contact us

Unit 4/A,
Level 13, 2 Elizabeth St,
Meriden Works, Birmingham Rd
Millisons Wood
West Midlands