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RETROFIT SERVICES (2035) UK LTD

delivering high-quality retrofit compliance to pas 2035 standards

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PAS2035 COMPLIANCE • EPC DELIVERY • ENERGY EFFICIENCY • PAS2035 COMPLIANCE • EPC DELIVERY • ENERGY EFFICIENCY • PAS2035 COMPLIANCE • EPC DELIVERY • ENERGY EFFICIENCY

PRECISION RETROFIT SOLUTIONS FOR SOCIAL HOUSING

We work across the wider retrofit sector – including social housing, private rented and owner‑occupied homes – bridging the gap between assessment and delivery. We specialise in PAS 2035 compliance and EPC certification for all housing projects.

OUR SERVICES

PAS2035 RETROFIT ASSESSMENTs

We provide expert technical evaluations to ensure your housing and projects meet the rigorous energy efficiency standards of PAS2035.

AIR TIGHTNESs TESTING

We provide accredited air tightness testing to identify uncontrolled air leakage and improve building performance. Our reports support compliance with current regulations and help you achieve better EPC outcomes.

VENtilation strategies following ADF1 

We develop ventilation strategies following ADF1 and PAS 2035, assessing background, extract and mechanical options for each property type. Our designs reduce condensation risk, protect occupant health and support long‑term performance.

RETROFIT COORDINATION

We act as your strategic advisors throughout the retrofitting process, ensuring seamless integration of energy upgrades and compliance.

ENERGY PERFORMANCE CERTIFICATE (EPC)

From data collection to final certification, we manage the entire EPC lifecycle with precision and adherence to UK regulations.

RETROFIT COORDINATION

We act as your strategic advisors throughout the retrofitting process, ensuring seamless integration of energy upgrades and compliance.

FULL SAP CALCULATIONS &
U-VALUEs

We provide full SAP calculations and U‑value assessments to support compliant, energy‑efficient designs. Our outputs help you optimise fabric performance, meet regulatory requirements and improve EPC ratings.

AIR TIGHTening strategies

We design air tightening strategies in line with PAS 2035, focusing on critical junctions, detailing and sequencing. Our approach reduces heat loss, supports ventilation design and helps close the performance gap on site.

AIR TIGHTNESs TESTING

We provide accredited air tightness testing to identify uncontrolled air leakage and improve building performance. Our reports support compliance with current regulations and help you achieve better EPC outcomes.

Measure modelling and design

We provide measure modelling and design to test different retrofit options before works begin. Our approach balances energy performance, cost and buildability to deliver practical, compliant solutions.

ENERGY PERFORMANCE CERTIFICATE (EPC)

From data collection to final certification, we manage the entire EPC lifecycle with precision and adherence to UK regulations.

Measure modelling and design

We provide measure modelling and design to test different retrofit options before works begin. Our approach balances energy performance, cost and buildability to deliver practical, compliant solutions.

Project coordination 

We coordinate retrofit projects from assessment through to EPC issue, managing stakeholders, information flow and PAS 2035 requirements so housing schemes are delivered smoothly and to standard.

AIR TIGHTening strategies

We design air tightening strategies in line with PAS 2035, focusing on critical junctions, detailing and sequencing. Our approach reduces heat loss, supports ventilation design and helps close the performance gap on site.

VENtilation strategies following ADF1 

We develop ventilation strategies following ADF1 and PAS 2035, assessing background, extract and mechanical options for each property type. Our designs reduce condensation risk, protect occupant health and support long‑term performance.

GET IN TOUCH

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Email:
retrofitservicesuk@outlook.com

Phone:
+44 7792 309206

Address:
Wordsworth Road, BRISTOL, BS7 0EQ

© 2026 RETROFIT SERVICES (2035) UK LTD. All rights reserved.

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