The Yorkshire areas we cover
West & North Yorkshire
Local engineers,
not a national call centre.
BASI has worked across Yorkshire from our Bradford base since 1990. We cover thirteen towns and the BD, LS, WF, HD, HX and HG postcode districts with full-time uniformed engineers, never sub-contractors. Pick your town for local pricing and booking.
- Thirteen Yorkshire towns covered
- BD, LS, WF, HD, HX and HG postcodes
- Full-time uniformed engineers
- Same fixed prices in every town
Town hubs
Thirteen Yorkshire towns, one local team.
Each town has its own hub plus dedicated boiler installation, servicing and repair pages with local postcode coverage, pricing and booking.
Same service, every town
Whichever town you are in, the price is the same.
Every town hub has dedicated boiler installation, servicing and repair pages with local postcode coverage. The service and the fixed price do not change from town to town.
New boiler installation
Worcester Bosch and Vaillant accredited, fixed price after a real survey, fitted in a day.
Boiler installation £80 fixedBoiler service
A full manufacturer-approved service with a written record for your warranty. No upsell.
Book a boiler service From £80Same-day boiler repair
Most days we can get to you the same day, with parts on the van for the common faults.
Same-day boiler repairNot sure your postcode is covered? Use the checker on the quote, or talk to the office on 0800 980 6018 .
5-star on Trustpilot
What Yorkshire homeowners say.
Replaced our 25-year-old boiler in a single day. Tidy, polite, on the dot. Couldn't fault them.
Quoted fixed-price, no surprises. The engineer explained every step. Brilliant from start to finish.
Came out same day when our heating packed in mid-winter. Absolute lifesavers.
Used BASI for years for our annual service. Always punctual, always thorough.
Family-run, Yorkshire through and through. You can tell they actually care.
New Vaillant, 10-year warranty, finance sorted in a phone call. Smoothest install we have had.
Rated 5 stars from 400+ reviews. Read more customer reviews from across Yorkshire or see us on Trustpilot.
Covered where you are?
Let's get you booked.
Check your postcode and get a fixed-price quote in 60 seconds, or talk to the office. See all Yorkshire reviews