Gas Safe Registered Engineers
Gas Safe boiler & heating engineers. Done safely, first time.
Safety1st Heating & Plumbing installs, repairs and services boilers, issues landlord gas safety certificates, and handles plumbing and electrical work.






Full heating, gas & plumbing cover, one call
Every job is carried out by a qualified Gas Safe registered engineer, from a single certificate to a full boiler swap.
Gas safety certificates
Full gas safety checks and certification for homeowners and landlords, carried out to Gas Safe standards.
Landlord gas safety check
Annual landlord gas safety records for rented properties, arranged around tenants and turnaround dates.
Boiler install, repair & service
New boiler installation, breakdown repair and annual servicing on combi, system and back boilers.
Power flushing
Clears sludge and debris from central heating systems to restore efficiency and even heat.
Central heating install & repair
Radiator and central heating system installation, fault finding and repair across the property.
Bathroom plumbing
Bathroom installation and repairs, from a single tap to a full refit.
Toilet & basin install/repair
Supply and fit or repair of toilets and basins, matched to the existing layout.
Hot water cylinders
Vented and unvented hot water cylinder installation and repair, certified for unvented systems.
Domestic electrical work
Part P certified electrical installation and repair carried out alongside heating and plumbing jobs.
Range & gas cooker install
Installation of range cookers, standard gas cookers and gas fires to Gas Safe standard.
Gas fire installation
Supply and installation of gas fires, fitted and certified by a Gas Safe engineer.
Clear boiler & bathroom pricing
No guessing games. Here's what three of our most-requested jobs cost, boiler and labour included.
Combi boiler to Band A combi condensing boiler. Boiler and labour included.
Back boiler, conventional or system boiler converted to a combi boiler.
Bath, basin and toilet replaced in the same position. Material and labour included.
Prices are a guide for like-for-like replacement. Call for a fixed quote on your job.
Safety1st Heating & Plumbing
A Gas Safe registered heating and plumbing business based on Gotham Street, Leicester, covering gas, heating, plumbing and electrical work under one roof.
A competitive, reliable engineer for gas, heating & plumbing
We specialise in gas safety checks, boiler installation, repair and service maintenance contracts, with a reputation for being a competitive and reliable service provider across the heating and plumbing trade.
- Qualified Gas Safe registered engineers
- Electrical Part P certificate holders
- Certified for vented and un-vented hot water cylinders
Trained on where heating technology is heading
Boiler and heating technology moves fast. We keep our training and product knowledge current, so advice on what to fit is based on where the industry is now, not where it was five years ago.
Smart & app-controlled heating
Installation and setup of smart thermostats and app-based controls for remote scheduling and room-by-room control.
Higher-efficiency condensing boilers
Up to date on Band A ErP-rated boiler ranges, so replacements are matched to current efficiency standards.
Hybrid & hydrogen-ready systems
Familiar with hydrogen-blend-ready boilers and hybrid boiler/heat pump setups entering the UK market.
Renewable integration
Boilers specified to work alongside heat pumps and other renewable heat sources.
Reviews from the field
Very reliable, work is very neat, work is not rushed, explained very well, good priced work, after-sale very good service and helpful.
Frequently asked questions
Are you Gas Safe registered?
Yes. All work is carried out by qualified Gas Safe registered engineers, and we're also Part P certified for electrical work and certified for vented and unvented hot water cylinders.
What areas do you cover?
We're based in Leicester and cover the surrounding area up to roughly 50 miles out.
Do you provide landlord gas safety certificates?
Yes, we carry out annual landlord gas safety checks and issue the certificate needed for rented properties.
How much does a new boiler cost?
A combi-to-combi swap to a Band A condensing boiler starts from £1,195, and converting a back boiler, conventional or system boiler to a combi starts from £1,500, both including labour. Call for a fixed price on your specific job.
Book a job or get a quote
Call, email, or drop by. We cover Leicester and up to 50 miles beyond for gas, heating, plumbing and electrical work.