Solar Panels & Loft Insulation Case Study

Great Yarmouth Solar, Loft Insulation & Radiators | Home Upgrade Case Study
Location Great Yarmouth (NR30)
Estimated Annual Bill Savings £400–£550

Great Yarmouth Solar, Loft Insulation & Radiator Home Upgrade

A Norwich-area family at Perebrown Avenue, Great Yarmouth, combined solar panels, new radiators and upgraded loft insulation to tackle rising energy bills and improve comfort in every room. The integrated upgrade reduces electricity drawn from the grid and cuts heat loss through the roof and heating system, helping to lower overall energy demand by an estimated 30–35% while making the home noticeably warmer and easier to control.


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Financial Impact

£10,000+
Estimated Lifetime Energy Savings
7–10
Years Payback (Typical Usage)
£400–£550
Average Annual Savings on Energy
£35–£45
Average Monthly Savings on Bills

Building Performance

  • Property Address 17 Perebrown Avenue, Great Yarmouth, NR30 4BE
  • Property Type Norfolk home with multiple heated rooms
  • Pre-Upgrade Loft Insulation Thin, patchy mineral wool
    (below modern standards)
  • Post-Upgrade Loft Depth Approx. 270–300 mm total insulation
  • Heating System Improvement New, efficient radiators sized for each room

Environmental Impact

  • Solar PV System 4 roof-mounted solar panels
  • Estimated Solar Generation ~1,300–1,600 kWh electricity per year
  • Estimated Annual CO₂ Savings ~800–1,000 kg from solar and efficiency
  • Insulation & Heating Benefits Less heat loss, more even temperatures and reduced fossil fuel use


The Project

Customer Background

A homeowner on Perebrown Avenue in Great Yarmouth was facing rising electricity and gas costs, cold spots in living areas and radiators that struggled to heat rooms evenly on colder days. The family wanted a future-proof solution that would cut running costs, make better use of their Norfolk roof space for solar and deliver a more comfortable, controllable home.

Project Goals

  • Generate on-site electricity with a compact solar panel system
  • Reduce unwanted heat loss through the loft to improve thermal comfort
  • Upgrade radiators for more efficient heat distribution and control
  • Work with a trusted installer able to manage solar, insulation and heating in one coordinated project

Location Details

  • Location: Great Yarmouth (NR30), Norwich area
  • Property Address: 17 Perebrown Avenue, NR30 4BE
  • Region: Norfolk coastal town with good solar potential
  • Pre-Upgrade Rating: Mid-range EPC band with clear scope to improve
  • Main Issues: Under-insulated loft, ageing radiators and no on-site electricity generation

The Solution

Simple Green Energy designed a coordinated home upgrade that combined a compact solar PV system, a full loft insulation top-up and replacement radiators, delivering both fabric and heating improvements while cutting grid electricity use.

Solar Panel Installation Four high-efficiency roof-mounted solar panels installed to capture Great Yarmouth’s daylight and generate clean electricity, helping to power household appliances and reduce reliance on grid energy during the day.
Loft Insulation Upgrade Existing thin insulation carefully assessed and topped up with additional mineral wool to reach around 270–300 mm, in line with modern guidance for significantly reduced heat loss through the roof.
Radiator Replacement New, correctly sized radiators fitted in key rooms to improve heat output, responsiveness and comfort, allowing the boiler to run more efficiently and maintain more even temperatures throughout the home.
Installation Approach Works planned to minimise disruption, with loft checks for ventilation and services before insulation, followed by careful routing of solar cabling and tidy radiator replacement and system balancing.
Materials & Equipment Efficient solar PV panels, non-combustible mineral wool loft roll and modern panel radiators selected to provide strong thermal performance, long-term durability and improved day-to-day comfort.

How it works together: The solar panels generate clean electricity during the day, the upgraded loft insulation helps the property retain heat for longer, and the new radiators distribute warmth more effectively – all working together so the heating system runs more efficiently and overall bills are reduced.

Bill Comparison

Previous Annual Energy Costs (Before Upgrade) ~£1,900
New Annual Energy Costs (After Upgrade) ~£1,400

*Estimates based on a typical Norfolk home with four solar panels, upgraded loft insulation and new radiators, using standard UK energy prices and typical usage. Actual savings may vary depending on tariffs, occupancy and future energy costs.[web:39][web:44]

Customer testimonial

The whole process was straightforward from start to finish. The team explained how the solar panels, loft insulation and new radiators would work together, and we’ve already noticed the house feels warmer and we’re using less energy. The installers were professional, tidy and kept us informed throughout.

Great Yarmouth Homeowner Perebrown Avenue · Solar panels, loft insulation & radiators installed

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