PAS 2035 is the UK framework governing domestic retrofit projects, defining roles, risk pathways and compliance requirements across assessment, design, installation and handover.

How fast is your turnaround?

Coordination within four working hours; retrofit designs delivered within twenty-four hours, managed by accredited professionals.

Do you work nationwide?

Yes, we provide nationwide UK coverage with remote and on-site options, including coordinator site visits and PIBI inspections as required.

Retrofit Coordination & ECO4 Consultancy | UK Green Homes

Q: Why use a Retrofit Coordinator?

A Retrofit Coordinator manages risk, compliance, design reviews, evidence packs and TrustMark lodgement, keeping projects audit-ready and on schedule.

Q: Do you cover ECO4 and GBIS?

Yes. We deliver PAS 2035-aligned services for both ECO4 and GBIS, including assessments, coordination, design and compliance submissions.

Fast. Compliant. Audit-Ready — The First Time

Nationwide ECO4 & GBIS consultancy: lead generation, PAS 2035 assessments, coordination, design, and submission & compliance — delivered by accredited professionals.

✅ Coordination within four working hours

✅ Retrofit designs within twenty-four hours

✅ ECMK, Elmhurst & TrustMark accredited

Lead Generation

Targeted ECO4 and GBIS leads that connect you with verified, high-conversion projects.

Retrofit Assessment

Comprehensive property surveys aligned with PAS 2035 for ECO4 and GBIS.

Retrofit Coordination

Managed coordination with complete evidence packs & TrustMark lodgement — typically within four hours.

Retrofit Design

Accurate, risk-appropriate designs conforming to PAS 2035 & TrustMark — delivered within twenty-four hours.

Submission & Compliance

Audit-ready submission and compliance management for complete peace of mind.

How We Deliver

Step 1

Scope & Intake

We capture scheme, measures and risk, then allocate an accredited team.

Step 2

Assess & Model

On-site/remote assessment, energy modeling and ventilation strategy.

Step 3

Coordinate & Design

Evidence packs, risk pathway, and PAS 2035 designs reviewed by Coordinator.

Step 4

Lodge & Support

TrustMark lodgement, audit assistance and PIBI inspections as required.

What Our Clients Say

“Coordination in under four hours is a game-changer. The evidence packs were watertight and we passed audit without a single query.”

Operations Manager, National ECO4 Installer

“Clear communication, fast designs and proper compliance. UK Green Homes make PAS 2035 delivery painless.”

Director, GBIS Retrofit Contractor

“From assessment to TrustMark lodgement, everything ran smoothly. We’ve scaled confidently with their coordination.”

Head of Delivery, Energy Services Provider

Pricing

Transparent, fair and competitive — pay only for the services you need.

GBIS (ECMK or Elmhurst)

Retrofit coordination — £150 including lodgement
Retrofit design — £100 (one measure) | £190 (two measures)
Coordinator site visits — £110 nationwide
PIBI inspections — £50 per measure
C2/C3 inspections — £110
Submission & compliance — £250

ECO4 (ECMK or Elmhurst)

Retrofit coordination — £295 including lodgement
Retrofit design — £100 (one measure) | £190 (multiple)
Coordinator site visits — £110 nationwide
PIBI inspections — £50 per measure
C2/C3 inspections — £110
Submission & compliance — £250

Frequently Asked Questions

What is PAS 2035?

PAS 2035 is the UK framework for domestic retrofit. It defines the roles, risk pathways and compliance steps needed to deliver safe, high-quality, energy-efficient upgrades.

Why use a Retrofit Coordinator?

They manage risk and compliance, review designs, collate evidence and complete TrustMark lodgement — ensuring the project is audit-ready and delivered on time.

How fast do you deliver?

Coordination within four working hours; retrofit designs within twenty-four hours.

Do you cover ECO4 and GBIS?

Yes — we support both schemes end-to-end, including assessment, coordination, design and submission & compliance.

Do you operate nationwide?

Yes, we work across the UK with remote and on-site options. Coordinator site visits and PIBI inspections are available as needed.