Energy Upgrade Options

Green Technologies

Heating System Upgrades (Air Source Heat Pumps)

Our study showed that older gas boilers, even when well maintained, typically operate at 70–80% efficiency and lock in carbon emissions. Replacing them with air-source heat pumps can deliver 300–400% efficiency (COP 3–4), turning one unit of electricity into three to four units of heat.
However, actual running costs depend on insulation levels and energy tariffs — in poorly insulated homes, electricity costs may rise. Heat pumps are best suited to efficient, well-insulated homes aiming to lower carbon emissions.

When to consider:

Homes with inefficient or aging boilers
Properties where carbon reduction is a priority
Well-insulated homes suitable for low-temperature heating systems

Centre for Sustainable Energy Guidance

Energy Saving Trust Guidance

Solar Photovoltaics (PV)

We found strong potential for solar generation across the area. A typical 4kWp system can generate around 3,500–4,000 kWh of electricity per year, covering 30–40% of a household’s annual demand. This reduces reliance on grid electricity and supports local renewable generation.
The value of generation depends on household energy use, system size, and tariffs. While some homes see faster returns, others may take longer to recover installation costs.