PAS2035 can feel complicated — and for good reason. It involves assessors, coordinators, designers, installers and funding bodies, all with specific roles and dependencies. Kieran Bradnock has an in-depth understanding of the full compliance picture: the assessment process, ventilation and condition requirements, and how each part connects to the next. Whether you just need a Retrofit Assessment, or you need advice on where to start — KIEEPC can help. With strong connections across the sector, Kieran can point you towards appropriate funding opportunities, put you in touch with PAS-accredited installers, and where a full project is needed, works with fully accredited, experienced Retrofit Coordinators and Retrofit Designers.
Not everyone needs a Retrofit Assessment — and Kieran won't suggest one if you don't. An EPC or EPR can often tell a homeowner or landlord exactly what they need to do to reach EPC C or above. A Retrofit Assessment will only be recommended if it is genuinely necessary for your situation. Straight advice. No pressure. No obligation.
Kieran Bradnock
DEA · NDEA · PAS2035 Retrofit Assessor
A Retrofit Assessment is a legal requirement before grant-funded energy improvements can be installed. Without one, no compliant ECO4, Warm Homes Plan or funded insulation works can proceed. Get in touch to discuss your property →
A PAS2035 Retrofit Assessment is a formal, structured survey of a property — its construction, condition, heating, insulation, ventilation, and how it is used. It is not the same as an EPC, and it cannot be carried out by just any energy assessor. The assessor must hold a specific Retrofit Assessor qualification and be registered with an approved scheme.
The assessment produces two key outputs: a Condition Report — which identifies any defects or risks that must be resolved before improvements are installed — and a Medium-Term Improvement Plan (MTIP), which sets out the recommended energy efficiency measures in the correct technical sequence. Getting the sequence right matters: installing insulation before ventilation is addressed, for example, can cause moisture problems and damage the fabric of the building.
The MTIP becomes the instruction document that the Retrofit Coordinator and Retrofit Designer use to manage and specify the works. The whole process exists to protect homeowners and tenants from poorly sequenced or inappropriate improvements — and to ensure that public money spent on energy efficiency is used properly.
KIEEPC carries out PAS2035 Retrofit Assessments across the West Midlands and nationally. All assessments are conducted by Kieran Bradnock, who has held DEA accreditation since 2014 and is registered as a Retrofit Assessor through Elmhurst Energy and Quidos.
ECO4 — The Energy Company Obligation scheme requires a full PAS2035 Retrofit Assessment for all properties receiving funded improvements. No assessment, no works.
Warm Homes Plan — The government's flagship scheme to upgrade lower-rated homes operates under PAS2035. A Retrofit Assessor must survey the property before the programme can proceed.
Local Authority schemes — Most council and combined authority grant programmes for insulation, heat pumps or low-carbon heating follow PAS2035 and require an accredited assessment.
Social housing decarbonisation — Housing associations and local authority landlords upgrading stock to meet net zero targets must comply with PAS2035 across the programme.
Private funded works — Homeowners choosing to fund their own retrofit who want it done compliantly and in the correct sequence can commission a PAS2035 Assessment independently.
A Retrofit Assessment covers much more ground than a standard EPC. It is a structured, multi-part survey designed to give a complete picture of the property — from its construction and condition through to how the people in it live and use energy.
A survey of the property's fabric — walls, roof, floor, windows, and any existing insulation or heating. Defects that could be aggravated by energy improvements (such as damp, structural issues, or failed cavity insulation) are recorded and must be addressed before works proceed. This protects against improvements causing harm to the building or its occupants.
Sealing up a property with insulation without addressing ventilation can cause condensation, mould, and poor air quality. The ventilation assessment records the current provision — natural, mechanical, or extract — and identifies what changes may be needed before or alongside insulation works. This is one of the most important parts of the assessment that a standard EPC does not cover.
How a household uses a property significantly affects what improvements are suitable and how they will perform. The occupancy assessment records the number of occupants, any health or vulnerability factors, usage patterns, and how the property is currently heated. This information feeds directly into the Medium-Term Improvement Plan and helps the Retrofit Designer specify measures that are right for the actual occupants — not just the building on paper.
The final output of the assessment is the MTIP — a documented plan setting out the recommended energy efficiency measures in the correct technical sequence. It considers the interactions between measures (e.g. insulation before heating, or ventilation before airtightness) and forms the brief for the Retrofit Coordinator and Designer. A property cannot proceed compliantly with funded improvements without a valid MTIP from an accredited Retrofit Assessor.
Not just for grant schemes. Some homeowners commission a PAS2035 Retrofit Assessment privately — without any funding — simply because they want to know the correct sequence for their planned improvements. If you're investing in a heat pump, external wall insulation or loft works, getting the assessment first means you avoid costly mistakes and poor interactions between measures.
PAS2035 defines five distinct roles in a compliant retrofit project. Each role has specific responsibilities, and each must be fulfilled by a suitably qualified person or organisation. Kieran Bradnock of KIEEPC fulfils the Retrofit Assessor role; accredited partners can provide Coordinator and Designer services for projects that need them.
The Retrofit Assessor carries out the on-site survey — the Condition Report, ventilation assessment, and occupancy assessment — and produces the Medium-Term Improvement Plan. This is the foundational document for everything that follows. Kieran Bradnock is accredited through Elmhurst Energy and Quidos to carry out this role, and has held DEA accreditation since 2014. The assessment is the starting point — nothing else can proceed without it.
The Retrofit Coordinator manages the entire retrofit project — from the point of assessment through to final evaluation. They are responsible for ensuring the project is delivered in compliance with PAS2035, managing the relationships between assessor, designer, and installers, and keeping a complete audit trail of the project. For ECO4 and Warm Homes Plan projects, the funding body will typically have an associated Coordinator. For other projects, KIEEPC has access to accredited Retrofit Coordinator partners who can be introduced at this stage.
Working from the Retrofit Assessor's MTIP, the Retrofit Designer produces detailed specifications for each individual measure — the exact type of insulation, its specification, the ventilation strategy, the heating system design. The Designer must ensure that the measures are technically compatible and that they will perform as intended in the specific property. For schemes requiring a Designer, KIEEPC has access to accredited Retrofit Designer partners.
Installations under PAS2035 must be carried out by TrustMark-registered, PAS2030-certified installers. PAS2030 is the installation quality standard that sits alongside PAS2035 — it covers the installation process itself and requires that work is inspected and documented. The Retrofit Coordinator typically manages the installer appointment and ensures they have received the Designer's specification before works begin.
Once works are complete, the Retrofit Evaluator reviews the project against its original objectives. The evaluation compares what was planned with what was delivered, assesses the quality of the as-built documentation, and records lessons learned. For funded schemes, evaluation outputs are typically submitted to the funding body as part of the compliance evidence trail. The Coordinator manages this process and may commission a separate Evaluator or fulfil the role themselves if qualified.
Need the full PAS2035 package? KIEEPC carries out the Retrofit Assessor role and can connect you with accredited Retrofit Coordinator and Designer partners for projects that need end-to-end management. If you're unsure what your project requires, get in touch — explaining what's needed is part of the service.
Retrofit Assessments can only be carried out by assessors registered with an approved accreditation scheme. Kieran Bradnock holds Retrofit Assessor accreditation through two schemes — Elmhurst Energy and Quidos — and brings over a decade of domestic energy assessment experience to every project.
Kieran Bradnock has been a qualified Domestic Energy Assessor since 2014. Alongside his assessment practice, he has developed a thorough, practical understanding of the full PAS2035 process — from the requirements of a compliant Retrofit Assessment through to how projects are coordinated, designed, installed and ultimately funded.
That means understanding ventilation and condition requirements, how measures interact, what makes an MTIP workable, and how the roles of the Retrofit Coordinator and Retrofit Designer connect to the assessment. It also means being well connected across the sector — with accredited installers, experienced Retrofit Coordinators and Retrofit Designers that Kieran works with regularly.
If you need a Retrofit Assessment, KIEEPC can carry it out. Beyond that, KIEEPC has access to a network of Retrofit Coordinators, Retrofit Designers, Heating and Ventilation Engineers, Air Pressure Testers, OCDEAs, and compliant installers across all energy efficiency measures — and can manage the full surveying process and arrange installer access where required. If you're not sure what you need, or you're trying to access funding or understand what the Warm Homes Plan means for your property, get in touch. The conversation is free, and there's no obligation.
If you're a landlord, homeowner or buyer needing a standard EPC — not a Retrofit Assessment — use the links below to go to the right page.
A Retrofit Assessment is the starting point. But a fully compliant PAS2035 project also needs a Retrofit Coordinator and, in most cases, a Retrofit Designer. KIEEPC has working relationships with accredited, experienced professionals in both roles — so if your project needs more than just the assessment, the right people are accessible.
The Retrofit Coordinator manages the project end-to-end — from assessment through to post-installation evaluation — and is responsible for PAS2035 compliance across the programme. KIEEPC works with fully accredited, experienced Retrofit Coordinators. Where a programme already has a Coordinator in place, KIEEPC slots in as Retrofit Assessor without friction.
The Retrofit Designer takes the MTIP and translates it into detailed measure specifications for installers. Where a Designer is required, KIEEPC can connect with accredited Retrofit Designers who understand how to work within programme constraints and produce specifications that stand up to audit.
Correct ventilation provision is one of the most technically sensitive parts of any retrofit project. KIEEPC has access to heating and ventilation engineers who can assess existing provision, specify appropriate systems, and ensure that insulation works are not installed ahead of adequate ventilation being in place.
Air pressure testing — also known as airtightness testing — measures how much air is leaking through the building fabric. It is increasingly required as part of retrofit programmes and new build compliance. KIEEPC has access to air pressure testers who can carry out testing to the required standard and provide results that feed into the design and compliance process.
On-Construction Domestic Energy Assessors (OCDEAs) produce the as-built EPCs for new build properties and converted dwellings. Their role — and the way their outputs interact with U-values and EPR ratings — is directly relevant to retrofit programmes involving new build elements or significant fabric changes. KIEEPC has connections with accredited OCDEAs.
Installations under PAS2035 must be carried out by TrustMark-registered, PAS2030-certified installers. KIEEPC has connections with compliant installers across all energy efficiency measures — insulation, heating, ventilation, renewables — and can manage the surveying process and arrange installer access where required.
Need the full surveying process managed? KIEEPC can coordinate the assessment, arrange specialist access — including air pressure testing, heating and ventilation surveys, and OCDEA input — and connect the right installer to the right project. Whether you're a homeowner who needs a single assessment or an organisation building a delivery programme, get in touch to discuss what's needed.
The Warm Homes Plan is the government's flagship scheme to upgrade the energy efficiency of lower-rated homes across England. PAS2035 Retrofit Assessments will be a central requirement of the scheme — but the operational detail of how funding will flow, who will be eligible, and how delivery will be structured is still to be fully confirmed.
The Warm Homes Plan will fund energy efficiency improvements for owner-occupiers and private renters in lower-rated properties — replacing and expanding on ECO4 with a broader eligibility base and a stronger focus on whole-house, fabric-first improvements. PAS2035 compliance will be a requirement, meaning a formal Retrofit Assessment must be completed before funded works can proceed.
Based on the current published detail, funding is expected to be routed through local authorities and contractors — who will then commission the various roles required under PAS2035, including assessors, coordinators, designers and installers. The precise delivery model is still being confirmed. KIEEPC is monitoring developments and is positioned to work within programme structures as they are defined.
The government's current published version sets out policy intent, proposed scheme structure and eligibility principles. This is the most up-to-date official document available. Full operational guidance is still to follow.
Not sure if the Warm Homes Plan applies to you? KIEEPC will only recommend a Retrofit Assessment if it is genuinely required — and if the timing or eligibility isn't right, Kieran will say so. An EPC or EPR often answers the question first. Ask a question, no obligation →
If you're a housing association, local authority, or contractor building out a PAS2035 delivery programme — for ECO4, the Warm Homes Plan, or any funded scheme — KIEEPC is set up to work within that structure. Kieran understands how programmes operate, what compliance requires at each stage, and how the assessor role connects to coordinators, designers and installers.
KIEEPC can deliver Retrofit Assessments as part of a structured programme — working to scheme timescales, outputting compliant MTIPs, and interfacing with coordinators and designers as required. If your programme needs an assessor who understands what sits either side of the assessment, get in touch.
Kieran has a thorough understanding of PAS2035 compliance requirements — ventilation and condition reporting, MTIP structure, the interaction between measures, and what auditors expect. Assessments produced by KIEEPC are designed to stand up throughout the compliance chain, not just at point of delivery.
KIEEPC has working relationships with accredited Retrofit Coordinators, Retrofit Designers and PAS-accredited installers. If your programme needs to identify or fill gaps in its delivery team, Kieran can assist with introductions — or help you understand what roles are still needed to proceed compliantly.
The Warm Homes Plan delivery model is still being defined — but organisations that are planning now will be better placed when it launches. If you're a local authority, housing association or contractor thinking about how your programme will work, KIEEPC is happy to have that conversation now. There's no commitment required.
Get in touch to discuss how KIEEPC can support your programme — as a Retrofit Assessor, as a point of contact for the full delivery team, or simply to talk through where things currently stand with the Warm Homes Plan.
Whether you need a Retrofit Assessment, want a conversation about funding options, or are an organisation building a programme — use the form below or contact Kieran directly. If you're looking for a domestic or commercial EPC rather than a Retrofit Assessment, use the links below to go to the right page.
Questions about Retrofit Assessments, the services KIEEPC offers, and what to expect. If yours isn't here, just ask.
A PAS2035 Retrofit Assessment is a formal, structured survey of a property — its construction, condition, ventilation, heating and occupancy — carried out by an accredited Retrofit Assessor. It produces two key outputs: a Condition Report identifying any defects that must be resolved before improvements proceed, and a Medium-Term Improvement Plan (MTIP) setting out the recommended measures in the correct technical sequence.
It is not the same as an EPC. It is more detailed, covers different ground, and can only be carried out by someone holding a specific Retrofit Assessor qualification. The MTIP forms the instruction brief for the Retrofit Coordinator and Designer — nothing that follows can proceed compliantly without it.
Not always — and Kieran will tell you honestly if you don't. A Retrofit Assessment is a legal requirement before any government-funded energy improvements can be installed under PAS2035, but not every property or situation requires one.
For homeowners or landlords wanting to understand what improvements would bring their property to EPC C, a standard EPC or an Energy Performance Report (EPR) will often answer that question without the cost or complexity of a full Retrofit Assessment. If the works you're considering don't fall under a funded scheme, or if you simply want to understand your options first, start with a conversation — there's no charge for that. You can also use the Retrofit Assessment decision guide → to see which category your situation falls into.
A Retrofit Assessment is required before any energy efficiency improvements are installed under a government-funded scheme — including ECO4, the Warm Homes Plan, the Great British Insulation Scheme, and most local authority or housing association grant programmes.
Without a valid assessment by an accredited Retrofit Assessor, funded improvements cannot legally or compliantly proceed. The assessment is not a final step — it is the first. No coordinator, designer or installer can begin compliant work without it.
An EPC rates a property's current energy efficiency on a scale of A–G and takes around 30–60 minutes to complete. A Retrofit Assessment is a significantly more detailed survey covering condition, ventilation, occupancy and the sequencing of improvement measures — it typically takes longer and produces a different set of outputs.
An EPC tells you where a property stands. A Retrofit Assessment tells you what should be done, in what order, and why. Both may be needed as part of a retrofit programme, but they serve different purposes and cannot substitute for one another.
Cavity wall inspections at KIEEPC are carried out using a borescope — a small camera inserted through a drill hole in the external wall to visually inspect the cavity. This establishes whether insulation is present, what condition it is in, and whether it is performing as expected.
Where failed or missing insulation is identified, Kieran can arrange a referral to a Chartered Surveyor to formally assess the findings and advise on remediation options — including extraction of failed cavity wall insulation where required. Thermographic inspections are available as an add-on, and advice on CIGA guarantee verification is available through accredited installation partners.
Cavity wall inspections are particularly relevant ahead of Retrofit Assessments — identifying failed insulation early prevents it being recorded as a present measure in the MTIP when it will need replacing.
Air pressure testing — also known as airtightness testing or an air permeability test — measures how much air is leaking through the building fabric under controlled conditions. A fan is used to pressurise or depressurise the building, and the rate of air leakage is recorded.
It is increasingly required as part of retrofit programmes where fabric improvements are being made — particularly where external wall insulation, loft insulation or other airtightness measures are installed — and is a standard requirement for new build compliance. KIEEPC has access to air pressure testers who can carry out testing to the required standard and provide results that feed into the design and compliance process.
A Solar PV Survey from KIEEPC includes a full system design, detailed costings, and a SAP-modelled energy outcome — for both domestic and non-domestic properties — at no charge and with no obligation to proceed.
You'll receive the full picture of what's possible for your property, and Kieran would actively encourage you to get other quotes to compare. For larger commercial installations of 250kW or more, Power Purchase Agreement (PPA) funding is accessible through industry contacts — removing the upfront capital requirement entirely. Worth a conversation if you have the roof or land for it.
An On-Construction Domestic Energy Assessor (OCDEA) produces the as-built Energy Performance Certificate for new build properties and converted dwellings. Unlike a standard domestic EPC — which uses measured data from an existing property — an OCDEA works from construction drawings and specifications to model the energy performance of a building before or during construction.
OCDEAs are relevant to retrofit programmes involving new build elements, significant fabric changes, or conversions. Their outputs interact directly with U-values and EPR ratings in ways that affect programme compliance. KIEEPC has connections with accredited OCDEAs and can advise on when one is needed and how their role fits into the wider project.
PAS2035 defines three distinct roles. The Retrofit Assessor surveys the property and produces the MTIP — the foundational document for everything that follows. The Retrofit Coordinator manages the whole project end-to-end, holds the compliance audit trail, and is responsible for ensuring PAS2035 is followed throughout. The Retrofit Designer takes the MTIP and produces detailed technical specifications for each measure.
KIEEPC carries out the Retrofit Assessor role. For projects that also need a Coordinator or Designer, accredited partners can be introduced. For ECO4 and Warm Homes Plan projects, the funding body's delivery partner will typically provide the Coordinator — get in touch to discuss what your specific project requires.
Yes. KIEEPC is based in Wolverhampton and covers the West Midlands as a priority — but is available nationally for Retrofit Assessments, portfolio instructions, housing association programmes, and scheme-level coordinator referrals.
Travel is not a barrier. Get in touch to discuss your project and availability and any associated travel costs will be confirmed before anything is agreed.
Still have a question about Retrofit Assessments or PAS2035? Call, WhatsApp, or send a message — there's no sales pressure and no obligation. Just a straight answer about what your property or project needs.
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