Should I Get a Heat Pump or Wait?

In 2026, the case for acting now is strong: £7,500 BUS grant, mature technology, growing installer network, and 9 years until the gas boiler phase-out. Waiting offers marginal price reductions but risks losing grant funding, facing installer bottlenecks, and continuing to pay fossil fuel bills. For most homeowners with ageing boilers, now is the time.

By Home Heat Pump GuidePublished: 18 March 2026

UK couple weighing whether to get a heat pump now or wait for future improvements — The now-or-wait decision depends on your boiler's age, your budget, and your risk tolerance

This guide helps you weigh the timing decision. For the broader value question, see are heat pumps worth it in 2026? and our pillar guide.

See what acting now would cost for your home

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The Case for Acting Now

Grant Available

£7,500

Not guaranteed to continue at this level

Technology

Mature

No breakthrough to wait for

Installer Availability

Good in 2026

Will tighten as 2035 approaches

£7,500 BUS grant: The current grant is generous. Future grant levels are not guaranteed
0% VAT on installation: A significant saving that may not last indefinitely
Mature technology: Heat pumps are proven with millions installed worldwide. No revolution is coming
Installer capacity: Currently good. As the 2035 deadline approaches, demand will surge
Immediate savings: Every year on a heat pump is a year of equal or lower running costs and lower emissions

BUS grant approval letter showing the £7,500 currently available which may not continue at this level — The £7,500 grant is not guaranteed forever — acting while it is available is prudent

The Case for Waiting

Your boiler is new: If it is under 5 years old, waiting makes financial sense
Prices may fall: Heat pump costs are decreasing gradually as the market scales
Grid electricity is getting cheaper: Green levy rebalancing will improve running costs over time

However, grants may also decrease as the market matures. The combination of current grant levels and mature technology may not be matched in future years.

Our Advice

Boiler over 10 years: Get quotes now. Act when it next needs a major repair or when the timing suits you. The grant makes it affordable.

Boiler 5-10 years: Start researching. Improve insulation. Get a suitability check. Be ready to act when the boiler ages.

Boiler under 5 years: No rush. But if you are adding solar panels or renovating, consider adding a heat pump to the project.

UK homeowner seeing positive heat pump calculator results deciding to act now rather than wait — Most homeowners who run the numbers decide sooner rather than later

Heat pump installer arriving promptly at a UK home while availability is good before the 2035 rush — Installer availability is good now — it will tighten as the 2035 deadline approaches

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Do not wait until the rush — act while conditions are ideal

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MCS-certified installers. £7,500 BUS grant applied automatically.

Frequently Asked Questions

Will heat pumps get cheaper if I wait?

Prices may fall gradually, but grants may also reduce. The current combination is hard to beat.

Will the technology improve if I wait?

Heat pump technology is already mature. Incremental improvements continue, but there is no breakthrough to wait for.

What are the risks of waiting?

Grant funding may reduce, installer demand will increase as 2035 approaches, and you miss savings and emission reductions.

About this guide: This article is part of our comparison and decision hub. The timing question depends on your boiler's age and your priorities. The BUS grant and solar panel synergies make 2026 an excellent time to act.