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YOUR EXPERTS IN PAS2035
RETROFIT ASSESSMENT,
DESIGN & COORDINATION

Specialisits in PAS2035 Retrofit Assessment, Design & Coordination.
Regulated by RICS, CIOB, CIAT and Trustmark.
Trusted by local authorities, housing associations, installers, and homeowners.

AWARD WINNING
CONSULTANCY!

We’re proud to have been recognised as Regional Energy Consultancy of the Year at the East of England Energy Efficiency Awards 2025. This achievement reflects our team’s dedication, expertise and commitment to delivering high-quality, impactful work across the region. It’s a valued recognition of the standards we uphold and the results we deliver for our clients and partners.

Being an award-winning consultancy means holding ourselves to that same level of excellence every day- leading by example, championing best practice and providing reliable, accurate and professional support to every client.

We’re proud of the recognition, but even prouder of the consistent quality that earned it. As we move forward, we’ll continue to raise the bar, drive meaningful progress across the sector and stay true to the values that shape our work.

WHAT WE DO

We are an independent retrofit consultancy based in Suffolk, specialising in Retrofit Coordination, Design, and Assessment.
We work with homeowners, installers, housing associations, local authorities, architects, building surveyors and multidisciplinary professionals across the retrofit and wider construction industry who share our commitment to quality, sustainability and high professional standards.

Our mission is to raise the standard of energy-efficiency improvements through a whole-house, fabric-first approach.
We aim to improve housing quality across the UK by ensuring every project is delivered safely, efficiently, and in full compliance with PAS 2035 and Building Regulations.

Step 1:

Build Tight

Reduce heat loss and air leakage through effective insulation, detailing, and airtightness to improve fabric performance

Step 2:

Ventilate Right

Maintain healthy indoor air quality with balanced extract and supply systems to manage moisture and prevent condensation

Step 3:

Heat Smart

Install efficient heating systems, such as heat pumps or modern boilers, designed to suit the property’s improved thermal performance

Step 4:

Generate & Store

Integrate renewable technologies like solar PV, battery storage, and EV charging to maximise self-sufficiency and reduce running costs

Step 5:

Prove It Works

Evidence-led quality assurance, performance testing, and monitoring to confirm that each improvement performs as designed

Step 6:

Record & Report

Collect and verify all documentation and photographic evidence, lodge records to the TrustMark Data Warehouse, and store project data securely for full compliance and traceability

Step 7:

Handover To The Occupant

Provide clear guidance on how to operate heating, ventilation, and renewable systems. Ensure the resident understands maintenance requirements, new controls, and how to get support if needed.

OUR SERVICES

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ASSESSMENT

Our assessors carry out accurate property evaluations to identify the most effective retrofit measures for improving long term energy efficiency and resident comfort.
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DESIGN

Led by experienced chartered professionals, we deliver bespoke construction ready designs that enhance building performance and create healthier, more comfortable homes.
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COORDINATION

We manage every stage of your project from start to finish, ensuring smooth, fully compliant delivery in line with industry standards and the requirements of ECO, GBIS and Warm Homes funding programmes.
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ADDITIONAL SERVICES

We offer additional services that support PAS 2035 projects by strengthening compliance, reducing risk and improving performance.
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TESTIMONIALS

Working with 2035 Assessments has been fantastic. Being RICS and MCIOB accredited means the whole team brings a level of expertise and experience that’s hard to find. With excellent communication and clear guidance this has helped us deliver high quality compliant, energy efficiency projects across the East of England. A trusted partner in the retrofit journey.

Nina Heigham
Aran Insulation LTD

2035 successfully led the coordination on our behalf for the award-winning Wave 2.1 Exeter project, ensuring smooth delivery and collaboration across partners. They are also providing us with the independent Retrofit Design Approval service in line with PAS 2035:2023, supporting quality and compliance throughout.

Sureserve

2035 Assessments have been the lead Retrofit Consultancy delivering PAS2035 compliant Retrofit Coordination and design services for our HUG2 scheme. Their expertise and professionalism have been invaluable, especially the 1:1 support and guidance they provided to newly appointed installers which enabled them to up-skill their teams, and complete compliant installs.  

Teresa Ford
Norfolk Warm Homes Team 

Whether you need individual solutions or a complete end to end package, we support your project at every stage.

With strong oversight and complete independence, we provide the clarity, structure and skills needed to deliver consistently high quality results.

CASE
STUDIES

Warmer Homes: Social Housing Fund

Ditton Fields - Cambridge City Council

The project upgraded 94 homes in Ditton Fields with fabric-first improvements, including external wall insulation, boosting efficiency, reducing bills and supporting Cambridge City Council’s carbon-reduction goals.

Home Upgrade Grant (HUG2)

South Norfolk & Broadland

The Norfolk HUG2 Scheme upgraded 250 homes across South Norfolk and Broadland with over 500 measures, including solar PV, insulation and ventilation improvements, helping to cut energy use, lower bills and support local net-zero goals.

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