Boiler Installations

Boiler Installation in Kelso & the Scottish Borders

Trusted, Gas Safe registered boiler installations across the Scottish Borders and East Lothian. As Vaillant Advanced Installers we fit all makes — with extended manufacturer warranties and tidy, on-time work.

New Vaillant combi boiler installed in a Scottish Borders home

Who this is for

  • Homeowners with a boiler that's 10+ years old or losing efficiency
  • Anyone facing repeated breakdowns or rising energy bills
  • Households converting from regular to combi for more space
  • New extensions, renovations and bathroom upgrades needing more capacity
  • Landlords needing a compliant, warrantied installation

Why homeowners choose us

  • Vaillant Advanced Installer — up to 12-year warranty
  • All major brands: Worcester Bosch, Ideal, Baxi
  • Fixed written quote after a free site visit
  • Most combi swaps completed in a single day
  • Smart heating controls fitted as standard
  • Old boiler removed & disposed of responsibly

How it works

  1. Step 1

    Free site visit

    We assess your system, hot water demand and any upgrades.

  2. Step 2

    Fixed written quote

    Clear, itemised pricing — no pressure, no hidden costs.

  3. Step 3

    Installation

    Tidy, on-time work by Gas Safe registered engineers.

  4. Step 4

    Aftercare

    System demo, paperwork and ongoing servicing.

Trust & accreditations

  • Gas Safe registered (verifiable on Gas Safe Register)
  • Vaillant Advanced Installer status
  • Fully insured with public liability cover
  • Manufacturer-backed extended warranties
  • 5-star reviews from Borders homeowners
  • Local family business, est. in Kelso

Recent work

Newly installed combi boiler with copper pipework
Vaillant boiler being serviced by Gas Safe engineer
Boiler repair underway in a Borders home

Boiler Installations FAQs

How long does a boiler installation take?+

A like-for-like combi swap is usually completed in a single day. A full system upgrade or conversion (e.g. regular to combi) typically takes 2–3 days. We give you a clear timeline in your written quote.

How much does a new boiler cost in the Scottish Borders?+

Most domestic installations fall between £2,200 and £4,500 depending on the make, model, controls and any system upgrades. We provide a fixed written price after a free site visit — no surprises.

What boiler warranty will I get?+

As Vaillant Advanced Installers we can offer extended manufacturer warranties of up to 12 years on Vaillant boilers. Worcester Bosch, Ideal and Baxi typically come with 7–10 year warranties.

Do you install all makes of boiler?+

Yes — Vaillant (preferred), Worcester Bosch, Ideal, Baxi and more. We recommend the best fit for your home, hot water demand and budget.

Will you remove and dispose of my old boiler?+

Yes. We remove and responsibly dispose of your old boiler and any redundant pipework, and leave the area clean and tidy.

Are you Gas Safe registered?+

Yes — every gas engineer on our team is Gas Safe registered and fully insured. You can verify our registration on the Gas Safe Register.

Get a free, no-obligation quote

Tell us about your project and we'll be in touch — usually the same working day. Or call 07747 002334 24/7.

Get Your Free Quote

Tell us about your project — we'll respond within one working day.

Gas Safe Free Site Visit 5-Star Rated