Welcome to SPMS, your home energy & rendering experts.
Helping homes across Wales and the South West stay warmer and more energy-efficient with high-quality insulation solutions.
Over 40's years experience.
Trusted & Recommended Installers.
Fully Manufacturer Trained.
About Us
Stay warm and save money with SPMS.
Every year, homes and businesses across the UK lose nearly 35% of their heat through uninsulated walls – wasting energy and money. At SPMS, we’re here to change that.
For over 40 years, we’ve been delivering expert insulation and rendering solutions, helping homeowners save up to £500 annually on energy bills and enabling businesses to cut operational costs while meeting sustainability goals.
SPMS simplifies energy efficiency – making homes and businesses warmer, smarter, and more sustainable


External Wall Insulation
Protect your home against harsh UK weather while saving on energy bills.

Rendering
We use systems that are revolutionising house building and Renovations.

Spray Plaster
Quality smooth finish alongside the speed and simplicity of application.

EPC Surveys
Fast, efficient, and expert service tailored to your home’s needs.

Retrofit Assessments
An accurate way of understanding the improvements for your property.

Cavity Wall Extraction / Infill
Cut energy costs and improve your home’s energy efficiency.
Testimonials
What People Say…
“SPMS provided a seamless experience from start to finish. The external wall insulation has completely transformed our home—we’ve seen a 30% drop in our energy bills, and the house feels much warmer. Highly recommend!.”
“The rendering work by SPMS was exceptional. Not only does our home look modern and refreshed, but it’s also better protected from the elements. Great team and top-notch service!”
“We needed an EPC survey for our property, and SPMS delivered quickly and professionally. The insights we received were incredibly helpful in making decisions to improve our energy efficiency.”
“The team from SPMS were knowledgeable and efficient. After having our cavity walls insulated, we’ve noticed the house stays warmer for longer, even in the coldest weather. Couldn’t be happier with the results!”
“SPMS used spray plaster for our renovation project, and the results were flawless. The walls have a smooth, professional finish, and the job was completed much faster than we expected. Fantastic service!”
“The retrofit assessment was thorough and detailed. SPMS helped us prioritise improvements that have made a huge difference to our home’s energy efficiency. Thanks to their advice, we qualified for funding too!”
“I can’t recommend SPMS enough. From consultation to installation, the process was smooth, and the results exceeded our expectations. Our heating bills have dropped significantly, and the property looks great!”
“We engaged SPMS to apply the Terrix external wall insulation system, which not only has significantly improved the comfort in the house with keeping the heat in, but also means with their system we no longer have to paint the house every 2 years.”
Need to discuss a project?
For more information about our services, to get a free quote or to talk us about your project, simply contact one of the SPMS team today!
Funding available
ECO 4 Grant Scheme
Whole house upgrades for low-income and vulnerable households.
Qualify for FREE home upgrades with the ECO4 scheme, supported by the UK government. From insulation to heating systems, we help you reduce costs and improve comfort. The scheme is open to people living in fuel poverty, those on low incomes, and those who most need help to improve their living conditions and reduce energy bills.
Available upgrades include: cavity wall insulation, loft insulation, external wall insulation, party wall insulation, flat roof insulation, internal wall insulation, boiler replacements, storage heaters, first-time heating systems, smart controls, air source heat pumps, and solar PV systems.

Great British Insulation Scheme
Free cavity wall or loft insulation.
The Great British Insulation Scheme (GBIS) is designed to help millions of UK homeowners and tenants lower their energy bills by having cavity wall insulation or loft insulation installed for FREE.
The government has set aside £1 billion for the GBIS scheme with an aim for 300,000 households to be helped with FREE loft or cavity wall insulation.

Our Accreditations





