Covering London & Home Counties
Knowledge base · Insights

Honest insights from the trade.

In-depth guides on rendering systems, external wall insulation, grant funding and what to look out for when specifying or commissioning work. Written by approved applicators with hands-on experience — not by marketing teams.

EWI installation in progress showing yellow base coat with embedded mesh
Featured · Grant funding

ECO4 & the Great British Insulation Scheme: who actually qualifies for EWI funding in 2026

A plain-English breakdown of UK government grant funding for external wall insulation in 2026. Eligibility, how much you can actually get, what the process looks like, and the common reasons applications get rejected.

10 min read Updated 2026
Coming soon
Render systems

Silicone vs Monocouche: which is right for your property?

A side-by-side breakdown of when each system makes sense — by property type, exposure, budget and longevity goals.

Coming soon 2026
Coming soon
For architects

Specifying EWI for fire safety: A1 mineral wool vs EPS in 2026

Building regulations, BS 8414, the 11m and 18m height thresholds, and which insulation systems satisfy what.

Coming soon 2026
Coming soon
Project planning

How to vet a renderer before you hire them

Five questions to ask before signing a contract. The red flags that mean walk away. How to verify approved applicator status.

Coming soon 2026
Coming soon
Heritage

When you should use lime render (and when you absolutely shouldn't)

Lime render is essential for listed buildings — and the wrong choice for most modern homes. Here's the honest distinction.

Coming soon 2026

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