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This service is provided by Arniston Ltd (t/a) Snugg commissioned by the Greater Manchester Combined Authority (GMCA). Any services paid for by a customer for the delivery of this service fall under the responsibility of the supplier providing the service. For help, please contact: retrofit@greatermanchester-ca.gov.uk

Arniston Ltd (t/a) Snugg is authorised and regulated by the Financial Conduct Authority. FRN: 999500. Registered in Scotland. Company Number: SC707743. Registered address: 47 Potterrow, Edinburgh Scotland, EH8 9BT.

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Advanced Home assessment
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Advanced home assessment

£800 to £1,500

A detailed whole-house retrofit assessment, providing a clear understanding of your home’s current energy performance, along with a range of costed scenarios to inform construction-stage decision-making and investment.

What to expect

After a short call to confirm the service is right for you, our surveyor visits your home and uses our Retrofit Planner to model scenarios - from insulation and ventilation to heating options. You’ll see benefits, risks, and indicative costs, with a tailored report that aligns with your home, budget, and long-term needs.

Who this assessment is suitable for

  • Residents of Greater Manchester.
  • You own your own home.
  • Ideally, you have a budget of at least £10,000 to spend on your home.
  • You are willing to pay for independent guidance on how to improve your home.

About the provider

People Powered Retrofit are a not-for-profit service offering clear, independent advice and support to help you plan, procure and deliver your retrofit project to a high standard. We cover all of Greater Manchester.

Further investigations available from this provider

As well as offering a whole house assessment, People Powered Retrofit offers diagnostic surveys to support planning and designing improvements for your home.

Thermographic survey
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Thermographic survey

£350 to £500

This survey uses a thermal imaging camera to identify heat loss and check the thermal performance of a building. It can help show whether insulation is missing or patchy in cavity walls, timber frames and roofs, and can identify thermal bridges around openings and structures. It can only be carried out in winter, when there is a clear temperature difference between inside and outside.

Borescope survey
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Borescope survey

£150 to £300

This survey uses a small camera to inspect spaces that are otherwise inaccessible. It is mainly used to check whether cavity wall insulation is possible. Small holes are drilled so the camera can view the cavity. It can also be used to inspect roof spaces, chimney voids and subfloor areas, or to check existing insulation behind plasterboard.

Air Tightness test
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Air Tightness test

£300 to £600

This is a blower door test that uses a large fan fixed into an external doorway to pressurise or depressurise the home. It helps identify where air leaks are, so they can be sealed as part of improvement works. It is often used alongside thermal imaging or a smoke pencil to make draughts easier to locate. It can also help inform heating system design.