Common questions about EWI, render & facade work

External wall insulation is a layered system fitted to the outside of a building. Insulation boards are bonded and fixed to the wall, then covered with a reinforcement mesh and base coat, and finished with a coloured render. It improves thermal performance, weather protection and the appearance of the building in one go.

Yes – Stratford-upon-Avon is our home town. Limar Construction Ltd is based in CV37 and works on properties across Stratford and the surrounding villages every week.

Yes. We cover the whole of Warwickshire – Warwick, Leamington Spa, Kenilworth, Coventry, Rugby, Nuneaton, Alcester, Shipston-on-Stour and the rest of the county – with no extra travel charge.

Yes. For larger residential schemes, apartment blocks, commercial facades and developer projects we travel across the UK. Smaller one-off jobs are usually kept within Warwickshire and the West Midlands.

Both. We install EWI and render systems on single homes, semi-detached and terraced houses, bungalows, apartment blocks, schools, offices, retail facades and commercial developments.

Yes. We supply and install silicone, mineral, lime, decorative and brick-effect render finishes as the final layer of every EWI system, or as a standalone re-render where the wall doesn't need new insulation.

Yes – that's the easiest way to start. Send pictures of your walls, any existing render and the property as a whole to 07722 152609 on WhatsApp and we'll come back with a clear quote and any questions.

Yes. Limar Construction Ltd holds Public Liability Insurance and works to recognised installation standards on every project.

Yes, every quote is free and no-obligation. We're happy to assess by photos on WhatsApp or by booking an on-site survey for larger jobs.

Yes. We handle surveys, scaffolding, surface preparation, insulation boards, mesh and base coat, render finish, detail work and final sign-off. One team, one accountable contact.

Yes. We repair cracked, hollow or failing render, remove old failed systems, and correct poorly installed EWI. Where needed, we re-install the whole facade.

Yes – weekend work is available, and we welcome urgent enquiries. Get in touch and we'll do our best to fit you in.

It depends on the property size, weather and access. A typical UK semi-detached home often takes 2–4 weeks from start to finish, including scaffold, install and render. We'll give you a clear programme with your quote.

Done properly, EWI reduces condensation because internal wall surfaces stay warmer. The key is correct board specification, proper detailing around openings and a breathable finish where appropriate.

We have 10+ years of hands-on EWI and render experience across UK residential and commercial projects.

Yes – we take on managed-block work, housing schemes and main-contractor subcontract packages for EWI and re-rendering.

We work across the major manufacturers' colour ranges, so you have hundreds of colours to choose from. We'll bring samples or share a colour chart with your quote.

Almost always for solid-wall properties – EWI is one of the highest-impact items on an EPC assessment and often moves a property up a full band.