TrustMark Registered · PAS 2035 Compliant

Delivering Compliant Retrofit at Scale for Housing Associations, Local Authorities & Tier 1 Contractors

End-to-end PAS 2035 retrofit coordination, design and assessment — delivered nationally with TrustMark compliance at every stage.

6,000+

Projects Delivered

<2%

TrustMark Failure Rate

48hr

Design Turnaround

100%

PAS 2035 Compliant

UK

National Coverage

Led by John Bradbury MCIOB PAS 2035 Registered Retrofit Coordinator & Designer

TrustMark Registered

MCIOB Led

PAS 2035 Registered

ECO4

GBIS

SHDF

Warm Homes Plan

Who We Work With

Built for Organisations Delivering at Scale

DEE works with housing associations, local authorities, and Tier 1 contractors who need a retrofit coordination and design partner they can trust. Whether you're delivering SHDF, Warm Homes Plan, or a large-scale ECO4 programme, we provide the qualified capacity, compliance infrastructure, and turnaround speed your programme demands.

Housing Associations Local Authorities Tier 1 Contractors Private Sector

Housing Associations

Supporting registered providers with PAS 2035 compliant coordination across large social housing portfolios.

Local Authorities

Partnering with councils on SHDF, Warm Homes Plan and LAD-funded programmes — audit-ready at every stage.

Tier 1 Contractors

Providing the independent coordination and design resource that contractors need to deliver compliantly at volume.

Framework Bids

Strengthening tender submissions with qualified PAS 2035 coordination and design capacity from day one.

Our Accreditations, Memberships & Qualifications

Why Choose DEE

Why Housing Associations and Tier 1 Contractors Choose DEE

Proven at Scale

6,000+ retrofit projects delivered nationally across ECO4, GBIS, SHDF, and Warm Homes Plan schemes. We have the systems, team, and processes to handle high volume without compromising on quality.

MCIOB Qualified Leadership

Led by John Bradbury MCIOB — one of the UK's few MCIOB-qualified PAS 2035 Registered Retrofit Coordinators and Designers. Your programme is in qualified hands.

Industry-Leading Compliance

Sub-2% TrustMark failure rate across thousands of projects. Our rigorous QA process protects your programme, your reputation, and your residents.

Speed Without Compromise

48-hour design turnaround as standard. Our systems-driven delivery means you get compliant documentation fast — without cutting corners on quality.

Schemes We Work Across

ECO4 GBIS SHDF Wave 1 SHDF Wave 2 SHDF Wave 3 Warm Homes Plan Local Authority Delivery Private Sector

Partnership

Looking for a Retrofit Coordination Partner?

DEE is actively partnering with Tier 1 contractors bidding for Warm Homes Plan and SHDF frameworks. We bring PAS 2035 registered coordination and design capacity, TrustMark compliance infrastructure, and proven high-volume delivery — enabling you to bid with confidence and deliver without compliance risk.

Our Services

Six-Stage Coordination Framework

Each stage is designed to meet PAS 2035 requirements, reduce contractor risk and ensure every property is delivered compliantly and on programme.

01

Retrofit Assessment

PAS 2035 compliant property assessments identifying appropriate measures, risks, and opportunities across any housing stock. Comprehensive Dwelling Assessment Reports produced by our qualified Retrofit Assessors.

02

Retrofit Design

Full retrofit design service including ADF1 documentation, ventilation strategy, air tightness strategy, and thermal bridging calculations — with 48-hour turnaround as standard.

03

Retrofit Coordination

End-to-end coordination of the retrofit process — managing installers, evidence, quality assurance, and resident communication throughout. Single point of compliance accountability for your programme.

04

Ventilation Assessment

Detailed ventilation assessments ensuring compliance with PAS 2035 requirements and protection of indoor air quality post-retrofit. Essential for fabric-first improvement programmes.

05

TrustMark Lodgement

Complete TrustMark lodgement service with rigorous pre-submission QA — minimising failure rates and protecting your programme timeline. Sub-2% failure rate across thousands of projects.

06

Compliance & QA

Independent compliance review and quality assurance for existing programmes — identifying and resolving non-conformances before they become problems. Protecting your programme from audit risk.

PAS 2035 Registered — TrustMark Compliant

All coordination and design work delivered by Domestic Energy Experts Ltd is PAS 2035 compliant and TrustMark lodged — giving your programme full audit protection and scheme compliance at every stage.

Who We Are

Built on Qualification, Compliance & Capacity

Domestic Energy Experts Ltd is a TrustMark-registered PAS 2035 retrofit coordination and design practice based in Bingley, West Yorkshire, operating nationally across the UK.

Founded and led by John Bradbury MCIOB — PAS 2035 Registered Retrofit Coordinator and Designer — DEE has built a reputation for quality, compliance, and capacity across thousands of retrofit projects.

Our experienced team of qualified retrofit coordinators and assessors delivers the full retrofit journey — from initial property assessment through retrofit design, coordination, and TrustMark lodgement — for housing associations, local authorities, and Tier 1 contractors nationwide.

John Bradbury MCIOBPAS 2035 Registered Retrofit Coordinator & Designer

TrustMark RegisteredECO4, GBIS, SHDF & Warm Homes Plan compliant

6,000+ ProjectsDelivered nationally across all major schemes

National CoverageBased in West Yorkshire, delivering across the UK

Our Credentials

Accreditations & Qualifications

Schemes & Programmes

ECO4GBISSHDF Wave 1SHDF Wave 2SHDF Wave 3Warm Homes PlanLocal Authority DeliveryPrivate Sector

Contact Details

Get In Touch

Speak directly with our retrofit coordination team. We work with housing associations, local authorities and Tier 1 contractors across the UK.

Email Usinfo@domesticenergyexperts.co.uk

Call Us0113 365 1271

Our OfficeSuite 6, Salts Wharf
Saltaire, Shipley
BD17 7DB

Coverage

Nationwide UK Coverage

Suite 6, Salts Wharf

Saltaire, Shipley, BD17 7DB

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Last updated: January 2025

Domestic Energy Experts Ltd ("we", "us", "our") is committed to protecting your privacy. This policy explains how we collect, use and safeguard your personal data when you use our website or services.

1. Who We Are

Domestic Energy Experts Ltd is a retrofit coordination company registered in England and Wales (Company No. 13616932). Contact us at: info@domesticenergyexperts.co.uk

2. Information We Collect

Your name and contact details (email address, phone number)
Your company name and role
Information about your retrofit programme requirements
Communications you send via our contact form or email
Technical data such as your IP address and browser type

3. How We Use Your Information

Respond to your enquiries and provide retrofit coordination services
Coordinate contractors and manage retrofit programmes
Lodge works with TrustMark as required
Comply with legal and regulatory obligations
Improve our website and services

4. Legal Basis for Processing

Contract: Where processing is necessary to provide the services you have requested
Legitimate interests: To respond to enquiries and improve our services
Legal obligation: Where required by law
Consent: Where you have given explicit permission

5. Sharing Your Information

We may share your data with TrustMark, approved contractors, and IT service providers. We will never sell your personal data to third parties.

6. Data Retention

Project-related data is typically retained for up to 7 years following completion, in line with TrustMark requirements.

7. Your Rights

Under UK GDPR, you have the right to access, correct, delete, restrict or port your data. Contact us at info@domesticenergyexperts.co.uk to exercise these rights.

8. Contact & Complaints

Contact us at info@domesticenergyexperts.co.uk. You also have the right to lodge a complaint with the ICO at ico.org.uk.

Last updated: January 2025

Please read these terms carefully before using the Domestic Energy Experts Ltd website or engaging our services.

1. About Us

Domestic Energy Experts Ltd (Company No. 13616932, VAT No. 418 679 456) is a retrofit coordination company registered in England and Wales. Contact us at info@domesticenergyexperts.co.uk.

2. Our Services

We provide PAS 2035 retrofit coordination, design, assessment, ventilation assessment, TrustMark lodgement and compliance QA services. Scope, timescales and costs will be agreed in writing prior to commencement.

3. Use of Our Website

You may use our website for lawful purposes only. You must not reproduce any content without our prior written consent.

4. Enquiries and Quotations

Submitting an enquiry does not constitute a contract. A contract is only formed when both parties have agreed scope and terms in writing. Quotations are valid for 30 days unless otherwise stated.

5. Intellectual Property

All content on this website is owned by or licensed to Domestic Energy Experts Ltd.

6. Limitation of Liability

To the fullest extent permitted by law, our total liability shall not exceed the fees paid for the specific services. Nothing limits liability for death or personal injury caused by negligence.

7. TrustMark and Accreditations

All retrofit works are lodged in accordance with TrustMark scheme requirements and PAS 2035.

8. Governing Law

These terms are governed by the laws of England and Wales.

9. Contact Us

Contact us at info@domesticenergyexperts.co.uk.