
Passionate – Dedicated – Professional
At GBW Retrofit Services, we bring over a decade of experience in domestic energy efficiency. We specialise in retrofit services for existing housing stock, collaborating with homeowners, landlords, and local authorities.
Our team is dedicated to reducing carbon emissions through expert assessments, energy modelling, and tailored retrofit solutions. We provide practical guidance to improve energy efficiency, cut costs, and promote sustainable practices.
Partner with GBW Retrofit Services for a greener, more energy-efficient future.
At GBW Retrofit Services, we bring over a decade of experience in domestic energy efficiency. We specialise in retrofit services for existing housing stock, collaborating with homeowners, landlords, and local authorities.
Our team is dedicated to reducing carbon emissions through expert assessments, energy modelling, and tailored retrofit solutions. We provide practical guidance to improve energy efficiency, cut costs, and promote sustainable practices.
Partner with GBW Retrofit Services for a greener, more energy-efficient future.
GBW Retrofit Services Ltd has been exceptional in providing PAS2035 retrofit services, including TrustMark lodgements. The compliance work for our SHDF1 funding project was completed on time and with great accuracy. We couldn’t be happier with the results.
Paul Quinney – Allen Construction Ltd
GBW Retrofit Services Ltd has been exceptional in providing PAS2035 retrofit services, including TrustMark lodgements. The compliance work for our SHDF1 funding project was completed on time and with great accuracy. We couldn’t be happier with the results.
Paul Quinney – Allen Construction Ltd
Our Accreditations
Our Accreditations






Meet Our Team of Experts
“Our experienced team combines technical expertise and passion to deliver exceptional retrofit solutions, ensuring optimal energy efficiency for every project.”
Passionate – Dedicated – Professional
Why Choose GBW Retrofit Services?
Our mission is to enhance energy efficiency and sustainability in UK homes and buildings through comprehensive PAS 2035 retrofit services, benefiting homeowners, landlords, and developers.
We envision a future where all properties in the UK are energy-efficient, environmentally sustainable, and compliant with the highest standards of retrofit practices.
Our strategy involves partnering with local authorities, EEM installers, & developers to provide expert assessments, coordination, & design services that drive successful retrofit projects.
0141 447 4717
+1 (800) 555 555
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