Installation Surveying Engineer - Retrofit Assessor

## Installation Surveying Engineer - Retrofit Assessor Apply locations:
Flexible time type:
Full time posted on:
Posted Todaytime left to apply:
End Date:
August 15, 2026 (13 days left to apply) job requisition :
R0087826
** Join us, be part of more.
** We’re so much more than an energy company. We’re a family of brands revolutionising how we power the planet. We're energisers. One team of 21,000 colleagues that's energising a greener, fairer future by creating an energy system that doesn’t rely on fossil fuels whilst living our powerful commitment to igniting positive change in our communities. Here, you can find more purpose, more passion, and more potential.

That’s why working here is #MoreThanACareer. We do energy differently - we do it all. We make it, store it, move it, sell it, and mend it.

** About your team:
** At British Gas, our mission is to sell it and mend it.
We’ve been powering the UK’s homes and businesses for over 200 years – but supplying energy is just part of what we do. We’re making the UK greener and more energy efficient, getting closer to Net Zero. By using clever tech like thermostats, heat pumps, solar panels and EV chargers, we’re making it cheaper and easier for our customers to reduce their carbon-footprint.

We’re looking for an
** ACS qualified*
* ** Installation Surveying Engineer** **(Retrofit Assessor)
** to join our
** NEST
* * team, covering
** South Wales, North Wales and Mid Wales**.
*
* Please note:

this is a 9-month secondment/fixed-term opportunity.*** **£48,557 pro rata**
* ** Secondment/Fixed term, Full-time, 40 hours per week**
* *
* Location:

Field based in the South Wales, North Wales and Mid Wales regions**
* ** Company Benefits
**** What you’ll be doing:
** In this role, you’ll support the safe and effective delivery of the NEST Fuel Poverty Scheme, completing technical surveys, assessments and inspections to help customers improve the energy efficiency of their homes. You’ll work to high standards of quality, safety, efficiency and customer satisfaction, while supporting business and personal KPIs.
* Taking first-line responsibility for safe, efficient and effective work delivery across the NEST Fuel Poverty Scheme.
* Carrying out retrofit assessments in line with PAS 2035, the specification for energy retrofit of domestic buildings.
* Providing technical support, coaching and advice to customers on energy efficiency improvements and measures.
* Completing technical home audits, Energy Performance Reports or Energy Performance Certificates, and designing heating systems that meet customer and business requirements.
* Completing technical post inspections and signing off installation work delivered through NEST.
* Completing heating surveys and final inspection sign-off visits, making sure all work meets customer expectations and contract specifications.
* Providing enhanced retrofit advice to support each householder’s journey towards a low-carbon home.
* Completing technical assessments, supporting safe work delivery in your region and providing updates when required.
* Building strong customer relationships, resolving low-level field-related complaints and taking proactive steps to identify and address the root cause of issues.
*
* What we’re looking for:

** You’ll have a strong understanding of the health, safety, environmental and legal requirements relevant to this work, and you’ll help others understand and actively promote safe, compliant ways of working.
* Valid ACS qualification (essential).
* Experience surveying properties, installing heating systems or working in a similar technical role (essential).
* Energy Awareness 6281-01 (desirable)
* Renewable Awareness 6281-02 (desirable)
* Level 3 GDA/ DEA qualification (desirable)
* Retrofit Assessor qualification (desirable)
* Oftec qualification (desirable)
* Part P / 17th edition (desirable)
* Excellent written and verbal communication skills for effective customer relationships
* A positive approach to change, with a willingness to learn new skills and develop within the role.
* The ability to work to challenging targets and timescales.
* Confidence and credibility, with the ability to communicate clearly and concisely.
* The…