

You're in safe hands.
Over 50 years of combined experience delivering insulation, damp remediation, heating and renewables across Wales and the South West. Fully accredited, fully insured.
What we do
Our services
From cavity wall insulation removal to solar PV. Every measure your property needs.

Cavity Wall Insulation Removal
Old or failed cavity wall insulation could be costing you money, and damaging your home.

Loft Insulation
Up to 25% of your home's heat is lost through an uninsulated loft.

Cavity Wall Insulation
Properly installed cavity wall insulation cuts heating bills and reduces condensation.

Internal Wall Insulation
For solid-wall homes, internal insulation transforms thermal performance.

Remedial Wall Ties
Failed wall ties compromise your home's structural integrity. Replacement is faster than you think.

Damp & Mould Remediation
From penetrating damp to chronic mould: diagnose, treat, prevent.

Ventilation & Extraction
Most modern damp problems are ventilation problems. We fix the cause, not just the symptom.

Boilers & Heating
A-rated boilers, full system upgrades, radiator replacement and pipework.

Heating Controls
Smart controls cut bills without changing your boiler.
Air Source Heat Pumps
The future of home heating: installed and commissioned by accredited engineers.
Solar PV
Generate your own electricity. Cut your bills. Future-proof your home.
Why CRS
Right Tools. Right Price. Right Experience.
The contractor behind the check: fully certified, fully insured, and trusted across Wales and the South West.
The Right Tools
We use specialist insulation extraction machinery, ensuring a first time fix for all properties.
The Right Price
We quote for a complete service with a competitive pricing structure to fit around your budget.
The Right Experience
CRS are a fully certified company and our staff hold accreditations recognised throughout the industry.
CRS: you're in safe hands
Over 50 years of combined experience delivering insulation, damp & heating done right.
Our Support
How CRS Energy Can Support You
From funding to installation, we deliver every step of your home energy upgrade.
Government-Backed Funding:
For BUS scheme and Warm Homes Wales.
Accredited & Compliant:
TrustMark registered, PAS 2030/2035.
Peace Of Mind:
All installations backed by independent guarantees/warranties.
End To End Service:
Everything managed in house, no middlemen, no confusion.
Local Authority Partnerships:
Working with councils and regional authorities to deliver funded energy upgrades.
Energy Efficiency Improvements:
Installing high-quality measures designed to reduce energy costs.
Home Comfort Upgrades:
Improving warmth and efficiency for a more comfortable home.
Coverage
Areas we cover
Headquartered in Bridgend, with field teams across Wales and the South West.
- Bridgend
- Cardiff
- Swansea
- Newport
- Carmarthen
- Pembroke
- Powys
- Hereford
- Bristol
- Bath
- Swindon
- Wiltshire
- Taunton
- Exeter
- Plymouth
- Truro
Awards
Recognised work
WinnerWales Cymru Energy Efficiency Awards 2018
Vulnerable Customer Support
CommendedWales Cymru Energy Efficiency Awards 2018
Insulation & Fabric Installer / Contractor
CommendedSouth West Energy Efficiency Awards 2018
Vulnerable Customer Support
For trade & insurers
Working with insurers, housing associations and local authorities.
Single property to portfolio-wide remediation, insulation and energy-efficiency programmes: delivered to your scope and timelines.
Learn about trade partnershipsThe Home Check Group
Part of a complete home services group
CRS works alongside four specialist diagnostic brands. They identify the problem. We deliver the solution.

Home Damp Check
Damp & mould investigation surveys
Visit site →
Home Insulation Check
Insulation surveys & efficiency audits
Visit site →
Home Renewables Check
Heating, heat pump & solar surveys
Visit site →
Home Grant Check
Government-backed heating & insulation grants. Find out if you qualify in 60 seconds.
Visit site →CRS delivers the work
They diagnose. We deliver. Across one trusted home services group.
“From the first call to the final sign-off, CRS were genuinely brilliant. The team explained everything, the cavity extraction was completed in a day, and the difference to our heating bills has been transformational.”
Ready to get started?
Speak to the team for a free, no-obligation survey across Wales and the South West.