Services
Four clear service routes for warmer, greener, and more energy efficient homes.
Complete Home Energy Improvement Support
Sublime provides UK-focused retrofit, insulation, heating, renewable energy, and funding guidance through four simple service categories.
Each category brings related services together so homeowners, landlords, and property managers can understand the right route without navigating dozens of separate pages.
Choose a service category below to see what is included, the benefits, and how Sublime can help from first enquiry through to survey, installation planning, and handover.
Retrofit Services
Whole-house retrofit support for warmer, greener, and more energy efficient UK homes.
Insulation Services
Loft, roof-room, internal wall, and external wall insulation to reduce heat loss and improve comfort.
Heating & Renewable Energy Services
Efficient heating, smart controls, low-carbon heat, and solar PV services for modern UK homes.
Government-Funded Schemes
Guidance on current grant and funding routes, including Warm Homes and the Boiler Upgrade Scheme.
Why Choose Sublime?
Complete Energy Improvement Support
Sublime looks at the whole property and helps identify improvements that work together, from insulation and ventilation to heating and renewable energy.
Clear Guidance from Start to Finish
We explain your options, check suitability, and guide you through each step so energy upgrades feel manageable.
Warmer, More Comfortable Homes
Our services are designed to help homes retain heat, reduce draughts, and maintain a more consistent indoor temperature.
Our Process
1. Initial Enquiry
You contact Sublime with your property details and the type of support you need.
2. Property Review
We review your home, heating setup, insulation levels, EPC position, and suitability for different measures.
3. Recommendation
Our team recommends suitable improvements based on your property, budget, and funding eligibility where applicable.
4. Installation Planning
We coordinate the work, explain the process, and make sure installation is planned properly.
FAQ's
Sublime provides clear pricing based on your property type, size, and assessment requirements. We confirm the cost before any work begins, so you know exactly what is included.
A Retrofit Assessment is a detailed property survey covering condition, occupancy, ventilation, heating, insulation, and energy performance. Our qualified assessors use it to recommend the right improvements for your home.
Yes. We support landlords with Retrofit Assessments, Energy Performance Certificates, and improvement planning to help properties meet current EPC standards and future energy efficiency expectations.
We offer Retrofit Assessment, Retrofit Coordination, Retrofit Installation, Energy Performance Certificates, Airtightness Testing, and factor temperature calculations, with packages tailored to each property.
Timescales depend on the size of the property and the scope of works. A standard assessment is usually completed in one visit, and our team will explain the next steps and project timeline clearly.
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.