The cost of installing External Wall Insulation varies depending on several factors, including property size, chosen insulation material, labour, and additional services like scaffolding or render finishing. While the initial investment may seem significant, EWI offers long-term financial benefits by cutting energy bills and increasing property value.
🏠 Terraced house: £5,000 – £10,000
🏡 Semi-detached house: £8,000 – £12,000
🏚️ Detached house: £10,000 – £15,000+
These figures include insulation materials, professional installation, and external rendering, but prices may vary based on the region and the complexity of the project.
✅ Property Size & Surface Area: Larger properties naturally require more insulation material and labour, increasing costs.
✅ Choice of Insulation Material: Options like expanded polystyrene (EPS), mineral wool, or phenolic boards vary in price and efficiency.
✅ Rendering Finish: Silicone or acrylic renders offer different durability and aesthetic options, impacting the final price.
✅ Labour & Installation Complexity: Homes with irregular walls, additional architectural details, or accessibility issues may require more labour and scaffolding, increasing costs.
✅ Government Grants & Energy Schemes: Some homeowners can offset EWI costs through government incentives, such as the Energy Company Obligation (ECO) scheme.
Although the upfront cost may seem high, homeowners can recover their investment in 5-10 years through energy savings. The added comfort, protection, and increased property value also make EWI a financially smart home improvement.
Don’t wait to start saving on energy bills, improving your home’s comfort, and increasing its value. Contact us today for a free consultation and personalised quote!
See the difference for yourself! Check out our finished projects to discover how we’ve transformed homes with high-quality External Wall Insulation.
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EWI Specialist is a trusted option for local external house rendering insulation. We provide fully insured services at competitive rates, and we’re proud of our positive customer feedback.
