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Reviewed by Look Into Editorial Team · Fact-checked for accuracy
By LookInto Experts · Updated April 2026 · Independently researched

Boiler replacement costs £1,400-£3,000 installed. If you don’t have savings, several finance options are available.

0% Finance Deals

Duration: 12-24 months interest-free

Cost: £1,800 boiler at 0% over 12 months = £150/month

Providers: Most installers offer 0% finance through Hitachi or similar providers

Requirements: Credit check, typically £0-£99 upfront

Monthly Payment Plans

Cost: £15-£30 per month for boiler and installation

Duration: 60-120 months (5-10 years)

Total Cost: Often 20-30% more than upfront purchase

Providers: British Gas HomeCare, Heatable, GasSupply

Boiler Subscription Models (BOXT)

Cost: £25-£40 monthly all-inclusive

Includes: Boiler replacement, repairs, annual servicing

Term: 5-10 years minimum

Verdict: Good value if you factor in servicing and repairs. Typical £150-£200/year maintenance savings included.

Buy Now Pay Later

Cost: Zero upfront cost, pay in 3-4 installments

Timeframe: First payment due 30-60 days after installation

Providers: Klarna, PayPal Credit through some installers

Government Support (ECO4)

Grant: Up to £5,000 for eligible households

Eligibility: Low-income households, energy inefficient homes

Process: Apply via eligible installer

Find Financing Options

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