Retrofit is the process of upgrading existing buildings with energy-saving technologies and materials to improve efficiency, comfort, and sustainability.

With over 29 million homes in the UK needing retrofit by 2030 to meet Net Zero goals, it’s a national priority. We’re here to guide homeowners, councils, housing associations, and landlords through every stage – from assessment to design and coordination.

We follow a fabric-first approach, prioritising improvements to insulation, ventilation, and building fabric before systems – making sure every home performs at its best, for the long term.

Our Retrofit Services

A large solar panel array installed on the roof of a brick commercial building with arched windows, showcasing a successful decarbonisation retrofit project.

Decarbonisation Feasibility Study

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Retrofit coordinator with a clipboard inside a living room, reviewing project details during a retrofit assessment.

Retrofit Coordination Services

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PAS 2035 retrofit assessments bristol

PAS 2035 Retrofit Assessments

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Retrofit Design

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Bristol castle park landing image of the river and business buildings - what is pas 2038 / pas 2038 retrofit assessment

PAS 2038 Retrofit Assessments

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Thermal imaging camera assessment of a residential property in Bristol

Home Energy Survey

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Who We Work With

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Recognised for Retrofit Excellence

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Retrofit Assessor of the Year Award Win

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Mar 22nd, 2023

The Next Wave of SHDF Funding is Now Live

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