Oil Boiler Replacement UK — Heat Pump Upgrades with £7,500 Grant

Upgrade your oil boiler to an efficient air source heat pump with up to £7,500 government funding. Oil heating costs have risen 65% since 2021, while heat pumps deliver 3–4 units of heat for every unit of electricity. MCS-certified installers nationwide. Average installation completed in 2–3 days.

Oil vs Heat Pump Running Costs

A typical oil boiler uses 1,500–2,000 litres per year costing £1,200–£1,800 at current kerosene prices. An air source heat pump serving the same property costs £600–£900 per year in electricity. That is a saving of £600–£900 annually, plus you eliminate oil tank maintenance, delivery charges, and the environmental risk of oil leaks.

How to Replace Your Oil Boiler

Step 1: Get a free home assessment from an MCS-certified installer. They will survey your property, check insulation levels, and design the right heat pump system for your home.

Step 2: Apply for the BUS grant (£7,500) through your installer. They handle the paperwork and the voucher is applied directly to your quote.

Step 3: Installation takes 2–3 days. The heat pump unit sits outside your property, connected to your existing radiators or underfloor heating. No structural changes needed in most homes.

Frequently Asked Questions

Will a heat pump work in my old house?

Yes. Modern air source heat pumps work efficiently in all UK properties, including older homes. Properties with poor insulation benefit from larger radiators or adding insulation as part of the upgrade. Many installers offer insulation improvements alongside the heat pump installation, sometimes funded through ECO4.

Do I need to remove my oil tank?

Oil tank removal is recommended but not legally required. Many homeowners choose to decommission the tank during the heat pump installation. Professional oil tank removal costs £300–£800 and eliminates the environmental liability of an ageing oil storage tank.

Are heat pumps noisy?

Modern air source heat pumps operate at 40–45 decibels — quieter than a dishwasher or fridge. Planning regulations require the unit to be at least 1 metre from a property boundary. Most homeowners report that the heat pump is barely noticeable after the first week.

Oil Boiler Replacement UK 2026 — Heat Pump Upgrade with £7,500 Grant

Over 1.5 million UK homes use oil heating. The 2035 oil boiler ban means switching now secures best grants. BUS grant: £7,500. After grant + 0% VAT, pay just £2,000-£6,000 — comparable to a new oil boiler.

The Process

MCS installer surveys your home → designs system → handles BUS application → removes oil boiler + tank → installs heat pump → commissions → registers MCS certificate. 2-4 days typical. Old oil tank safely decommissioned.