Property Suitability Check
Assessment of wall condition, access, external features, openings, roofline details, and project goals.
External Wall Insulation
Upgrade wall performance from the outside while refreshing and protecting the property exterior.
External Wall Insulation
External wall insulation adds an insulating layer to suitable outside walls and is finished with a protective render or external finish.
Sublime reviews wall condition, access, openings, roofline details, pipes, and finish requirements before planning a suitable installation route.
What This Service Includes
System and Finish Advice
Guidance on suitable insulation systems, render or finish options, and detailing around doors, windows, and services.
Installation and Checks
Professional installation planning, careful fitting, finish application guidance, and final quality checks.
Benefits
Reduced Wall Heat Loss
Helps improve thermal performance by wrapping suitable external walls.
No Internal Space Loss
Improves wall insulation without reducing room dimensions.
Improved Appearance
Can refresh the exterior while improving performance.
Fabric Protection
Adds a protective external layer to suitable building fabric.
Our Process
1. Initial Review
We discuss your property, goals, and external appearance requirements.
2. Survey
Sublime checks wall condition, access, openings, roofline details, and practical factors.
3. Recommendation
We explain suitable insulation systems and finish options.
4. Planning
The installation stages and preparation requirements are coordinated clearly.
5. Installation and Finish
The system is fitted and finished carefully for performance and appearance.
6. Final Checks
We review completed work and provide customer guidance.
Why Choose Sublime
Performance and Appearance
We consider energy efficiency and exterior finish quality together.
Detail-Led Planning
Openings, pipes, rooflines, and access are reviewed before work begins.
Long-Term Suitability
Sublime focuses on careful recommendations and installation support for lasting results.
Start Your Home Insulation Upgrade
Contact Sublime to discuss external wall insulation and find out whether your property is suitable.
FAQ's
It is an insulation system fitted to the outside of suitable walls and finished with a protective render or external finish.
No. Because it is installed externally, it can improve thermal performance without reducing room dimensions.
Yes. The external finish can refresh the look of the home while also improving wall performance.
No. Wall condition, access, external details, roofline, services, and property type all need to be reviewed first.
What Homeowners Have To Say...
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Sarah Wilson ★★★★★
Excellent company. I recently had retrofit assessment work completed by Sublime and could not fault them. The team was friendly, professional, and clear throughout. I would highly recommend them for retrofit services.
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James Harris ★★★★★
I was cautious about starting retrofit work, but Sublime made the process straightforward. They explained the assessment, EPC requirements, and next steps clearly, and I am really pleased with the results.
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Amelia Clarke ★★★★★
Thanks to the team at Sublime for improving the energy performance of my home. The work was completed quicker than expected, communication was excellent, and the service exceeded my expectations.
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Louis Parker ★★★★★
Great job. I was impressed with how the team communicated and the helpful advice they provided. The retrofit guidance was practical, professional, and tailored to my property.
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Olivia Morris ★★★★★
Professionalism at its best. The Sublime team carried out the assessment and planning with care, kept everything clear, and made the whole process feel simple.