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

Monthly boiler subscription services bundle installation, repairs and servicing. We compare the three largest UK providers.

Quick Comparison

ProviderInstallationMonthly CostWarrantyRepairs
BOXTNext day available£25-£3510 yearsUnlimited
British GasStandard install£30-£452-10 yearsCovered
Heatable7-14 days£20-£3012 yearsUnlimited

BOXT – Fast Service Leader

Installation: From £1,790 | Monthly: £25-£35 | Warranty: 10 years

Pros: Next-day installation, 10-year warranty standard, unlimited repairs, excellent customer service

Cons: Premium on installation cost, limited area coverage

Best For: Quick replacements, London/South East residents

British Gas – Well-Known Brand

Installation: From £2,600 | Monthly: £30-£45 (HomeCare plans)

Pros: Trusted brand, nationwide coverage, multiple plan options

Cons: Higher upfront costs, higher monthly payments, contract lock-in

Best For: Those wanting established brand security

Heatable – Online-First

Installation: From £1,950 | Monthly: £20-£30 | Warranty: 12 years

Pros: Lowest monthly cost, longest warranty (12 years), good online support

Cons: Slower installation scheduling, smaller engineer network

Best For: Budget-conscious customers

Total Cost Example: BOXT £1,790 + (£30 × 120 months) = £5,590 over 10 years vs British Gas £2,600 + (£40 × 60 months) = £4,600 over 5 years then replacement.

Our Recommendation

Best Value: Heatable for lowest monthly cost (£20-£30)

Best Speed: BOXT for next-day installation

Best Reassurance: British Gas for brand recognition

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