When your boiler breaks down, you need it fixed fast. Whitebox Heating provides same-day boiler repair across West Sussex, East Sussex, and Surrey. All our engineers are Gas Safe registered, carry genuine parts, and operate 7 days a week.
We offer same-day appointments for most boiler faults. Our engineers carry a wide range of spare parts to fix the majority of breakdowns on the first visit.
We repair Worcester Bosch, Vaillant, Ideal, Baxi, Potterton, Glow-worm, Viessmann, Intergas, and more. Whatever your boiler brand, we can fix it.
You'll receive a clear, upfront quote before any work begins. Our call-out fee covers the first hour of labour, and there are no hidden charges.
All Whitebox Heating engineers are Gas Safe registered. You can verify our registration on the official Gas Safe Register website.
We use genuine manufacturer parts on all repairs to ensure reliability and maintain your boiler warranty. No cheap substitutes.
Once your repair is done, we provide aftercare advice to help you avoid the same problem in the future. We're always available if you have follow-up questions.
Call our team on 07703 530336. We'll take your details and confirm same-day availability.
Our engineer visits, diagnoses the fault, and provides a clear upfront quote before starting any work.
We complete the repair using genuine parts, then test the boiler fully before leaving.
We explain what was done, advise on any follow-up, and issue your Gas Safe paperwork where applicable.
We provide boiler repair services across West Sussex, East Sussex, and Surrey. Click your area for a location-specific page.
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Call now for same-day availability – no waiting, no fuss.
The cost depends on the fault and the parts required. Our call-out fee includes the first hour of labour. Most common repairs fall in the range of £80–£300 including parts. We'll confirm the exact cost before starting work.
In most cases, yes. Call us on 07703 530336 and we'll confirm same-day availability. We operate across the full RH and BN postcode area seven days a week.
Error codes vary by manufacturer. Reset the boiler once as described in your manual. If the error persists, call us – our engineers can diagnose the fault quickly using the code alongside their experience with that model.
As a rule of thumb, if the repair cost exceeds half the cost of a new boiler and the boiler is over 10 years old, replacement is often better value in the long run. We'll always give you an honest assessment – we won't push repairs that don't make financial sense.
Yes. We guarantee our workmanship. If the same fault recurs within a reasonable period after our repair, we'll investigate and rectify it. Parts are covered by manufacturer guarantees.
Get in touch
Call us now for a free quote or to book a same-day visit.
Need help in a specific area? Boiler repairs in Gatwick cover the full RH6 postcode including Lowfield Heath and Charlwood. Boiler servicing Hassocks and boiler repairs in Hassocks (BN6) are handled by our local engineers. Boiler breakdown repairs in Coombes are also covered by our BN6 area team. Not sure which brand to go for? Read our independent boilers ratings guide before you decide. Thinking about a new boiler? Our guide to a rated boilers explains what the ErP efficiency rating means and which models save the most on bills. For the West Sussex coast, our boiler service Worthing page covers Worthing, Lancing, Shoreham, and surrounding areas.
