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Lower heating bills without losing internal space.
Is External Wall Insulation Right for Your Property?
External wall insulation is becoming more and more popular among homeowners — it lowers heating bills, keeps your house cooler in summer and warmer in winter, and cuts your carbon footprint, all without losing an inch of internal space.
It works best on properties with a single-skin exterior wall — without a cavity, you don't have the option of cavity insulation, or the outer block work that helps trap heat. External wall insulation gives that same thermal performance from the outside instead, with a big increase in your home's efficiency.
Consultation To Completion
From free assessment to a finished, insulated wall — here's what to expect.
Our Process
- Free Quote & Assessment: Call or email and we'll assess whether your property suits external wall insulation.
- Site Visit & Written Quote: We visit, take measurements, and give you a written quote — no pressure, no obligation.
- Insulation Boards Fitted: External wall insulation boards are fitted to your property, ready for the finish coat.
- Rendered & Finished: Finished with silicone render, cutting your heating bills for good.
Finishing Your Insulation
Once we've fitted your external wall insulation, the next step is choosing your finish. We recommend our K-Rend silicone render — see our Silicone Render page for the full range.
What Our Customers Say
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Excellent and reliable rendering service
Had external walls re-rendered. Ryan was a pleasure to deal with throughout the process. I was happy with the quote and didn't feel the need to get any others. Would highly recommend.
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Re-rendering to front of house
A very good company. Excellent communication from the enquiry to the last day of work. Turned up on time and explained what would be doing that day and the following. Would certainly recommend Ryan to anyone.
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The best renderer on the block
There's a saying that is often banded around 'you've tried the rest now try the best' — but it sums up Ryan and his work. Ryan has just rendered my house and I am over the moon with the finish and workmanship.
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Great job, recommended!
Fantastic work from Ryan. He was courteous, professional and carried out the rendering work to the highest standard. He also left the property clean and provided advice for keeping the rendering in good condition. Highly recommended.
Frequently Asked Questions
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Cost depends on the size of the property and the insulation thickness needed — the most accurate figure comes from a free, on-site quote.
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Grant schemes and eligibility change over time and depend on your circumstances — we can point you toward where to check current government schemes, but we'd recommend confirming eligibility directly with the scheme provider rather than relying on general advice.
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It changes the external appearance and thickness of your walls slightly (window reveals, door thresholds), and it's a bigger job than internal insulation — we'll talk you through exactly what to expect for your specific property.
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For most single-skin properties, yes — the heating bill savings and comfort improvement are significant. It depends on your property type and how long you plan to stay, which we're happy to discuss honestly.
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Yes — that's exactly how the system works. We recommend silicone render as the finish coat once your insulation is fitted.
Ready to Cut Your Heating Bills?
Call 07739 046562 or email info@therenderingcompanyessex.com for a free, no-obligation quote.
Get a Free Quote