NK Gas Services
New boiler installation from trusted local engineers. Top brands, extended warranties, and professional installation guaranteed.
We only install high-quality, reliable boilers from leading manufacturers
Not sure if it's time for a replacement? Here are the warning signs every homeowner should watch for.
Older boilers lose efficiency and become expensive to run. Modern A-rated boilers can cut energy bills by up to 30%.
Cold spots, slow heating, or fluctuating temperatures often indicate your boiler is struggling to meet demand.
If bills keep climbing despite normal usage, your boiler's efficiency has likely dropped significantly.
Multiple repairs per year? The cost often exceeds what you'd pay monthly for a new boiler on finance.
Water leaks, rust, or corrosion are serious signs. These often indicate internal component failure.
A healthy boiler flame should be blue. Yellow/orange flames can indicate incomplete combustion or carbon monoxide risk.
Experiencing any of these issues? Get a free, no-obligation quote for a new boiler.
Call 07404 922458Understanding the three main boiler types helps you choose the best option for your home
Most popular in the UK
Great for larger homes
Traditional heating systems
Our engineers will survey your property and recommend the best boiler type based on your home's size, water pressure, hot water demand, and existing pipework. No obligation, just honest advice.
Book a Free Survey →We visit your home to assess your needs and provide a fixed quote
Pick from top brands – Worcester, Vaillant, Ideal, Baxi
Our Gas Safe engineers install your new boiler professionally
We register your warranty and demonstrate your new system
★★★★★ 5.0 from 147 Google reviews
Brilliant service from start to finish. Nick installed our new Worcester boiler and explained everything clearly. Very tidy worker and the price was exactly as quoted.
Excellent installation of our new Vaillant boiler. Nick was professional, on time, and the new boiler is running perfectly. Highly recommend!
Got a new Ideal boiler installed. From survey to installation was quick, the quote was spot on and the whole job was done in a day. Very happy.
"I started NK Gas Services in 2014 after working for larger companies and seeing how customers were often overcharged or given poor advice. Based in Darlaston, I serve homeowners across the West Midlands with honest pricing and quality workmanship. Every boiler I install comes with my personal guarantee of quality. I'll never recommend a replacement if a repair will do, and I always explain your options clearly so you can make the right decision for your home and budget."
Have questions about boiler installation? I'm happy to help.
Keep your new boiler running efficiently. Annual servicing from £90.
Learn more →CP12 certificates for landlords from £65. Same-week availability.
Learn more →Gas cooker and hob installations from £90, with safety certificate.
Learn more →Get a free, no-obligation quote today. Finance options available.
Gas Safe #568305 ▪ 5.0 Rating (147+ reviews) ▪ Est. 2014
This page was last updated in January 2026. Prices shown are estimates — get a free quote for an accurate price for your property.