Retrofit Assessment and Coordination in Ruislip

TAILORED RETROFIT SOLUTIONS - Our full PAS 2035 retrofit coordination services ensure that every step of your energy improvement journey is managed efficiently. From initial assessment to implementation, we provide customised retrofit plans that enhance your property's energy efficiency and comfort.

Retrofit Assessment & Coordination Services in Ruislip

Achieving optimal energy efficiency for your property starts with a comprehensive retrofit assessment in Ruislip. At NRG Consultant Group, we provide thorough evaluations to identify energy-saving opportunities tailored to your building’s unique characteristics. Our certified experts analyse insulation, heating systems, and potential renewable upgrades, ensuring your retrofit journey is seamless, compliant, and effective.

Our Retrofit Coordination services ensure that every stage aligns with PAS 2035 standards, taking the stress out of energy upgrades. We work closely with TrustMark-accredited installers, managing timelines, compliance, and quality control.

Our Retrofit Services Include:

Detailed Retrofit Assessments: Identify key areas for energy improvements and cost savings.

Bespoke Retrofit Plans: Customised strategies aligned with your property's needs and energy efficiency goals.

Coordination with TrustMark Installers: Quality-assured collaboration with certified professionals.

Compliance with PAS 2035: Full alignment with current industry regulations.

Ongoing Support and Guidance: End-to-end guidance and responsive communication.

A lady surveyor wearinga  inspecting an unfurnishe propery  for retrofit assssments and retrofit coordinatonard hat, blck siut and white blouse

The Retrofit Assessment Process (PAS 2035:2023)

A Retrofit Assessment is the critical foundation of any energy efficiency upgrade. Following the PAS 2035:2023 standard, this process includes:


1. Pre-Assessment Preparation

  • Engage with the client to understand objectives (homeowner, landlord, housing association, or council).

  • Review existing EPCs, retrofit reports, and available funding (ECO, LA Flex, grants).

2. On-Site Property Survey


  • Conducted by qualified assessors, this involves:

    SAP/RdSAP energy performance evaluation

  • Condition survey of walls, roofs, windows, and insulation

  • Occupancy assessment to understand energy usage patterns

Retrofit documents

3. Data Collection & Documentation

  • Detailed measurements, material reviews, and photographic evidence

  • Compilation into a formal Retrofit Assessment Report

4. Risk Assessment & Retrofit Pathway


  • Risk classification (low, medium, high)

  • Defined retrofit pathway and next-step recommendations

5. Reporting & Coordination Handover

  • Submit a full report to the Retrofit Coordinator

  • Recommend energy-saving measures (e.g., insulation, heat pumps, solar panels)

The Retrofit Coordination (PAS 2035:2023) Process

Our Retrofit Coordination services in Ruislip ensure seamless execution of retrofits:


1. Initial Engagement

  • Reconfirm objectives and receive the complete assessment report

2. Retrofit Design & Risk Review


  • Collaborate with designers to finalise improvement measures

  • Conduct risk analysis focusing on moisture control, structural safety, and ventilation

3. Works Coordination

  • Source qualified, accredited contractors

  • Oversee work execution according to PAS 2035

  • Resolve on-site issues and enforce best practices

more retrofit documents

4. Quality Assurance & Compliance

  • Conduct mid- and post-installation inspections

  • Verify contractor credentials and collect documentation (photos, warranties, certificates)

5. Retrofit Evaluation & Handover


  • Final EPC issued (if applicable)

  • Delivery of post-retrofit pack (guides, maintenance info, performance overview)

6. Post-Occupancy Support

  • Conduct follow-up assessments

  • Provide behavioural energy-saving advice to maximise ROI

Frequently Asked Questions

Do I need a retrofit assessment to apply for government funding?

Yes. Most schemes like ECO4 require a PAS 2035-compliant retrofit assessment.

How long does a retrofit assessment take?

Typically 1.5 to 2 hours onsite, depending on property size and complexity.

What’s the difference between a Retrofit Assessor and Retrofit Coordinator?

The Assessor surveys the property and collects data. The Coordinator manages the entire process, from planning to delivery.

Why Ruislip Homeowners and Landlords Choose NRG Consultant Group

  • Based in Ruislip HA4, serving all Greater London boroughs

  • Experience working with London City Hall, Offgem, and other high-profile clients

  • Trusted 5-star reputation on Google

  • Transparent process with no hidden fees

  • Fully insured and GDPR compliant

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Whether you're a landlord needing an EPC certificate, a public building owner requiring a DEC certificate, or planning a commercial retrofit, we’re here to help.

Call 02087983488/02045728349 today or email [email protected]

Based in Ruislip | Trusted Across Greater London

College House, 17 King Edwards Rd, Ruislip HA4 7AE, UK

Site: www.nrgconsultantgroup.com

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NRG Consultant Group Ltd is Registered in England and Wales. Registration No 13264000. Registered office : College House, 2nd Floor, 17 King Edwards Road, London, Middlesex HA4 7AE United Kingdom