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Activate this British Gas discount deal to get up to 4 years of interest-free credit on all new boiler installation and boiler quotes.
British Gas voucher codes
April 2025
5 offers validated
£144 average savings at checkout
Top Voucher
Sale
Use this British Gas discount offer to get Boiler and heating cover plans from just £19.00 / month.
More discounts this week
Get Gas Appliance Cover for affordable prices when you reveal this British Gas discount offer.
Activate this British Gas discount offer to get Windows, Locks, Roof and Pest cover for just £8.82 a month.