Scottish Borders · TD & EH postcodes

Boiler Installation Across the Scottish Borders

Vaillant Advanced Installers based in Kelso, fitting gas, oil and LPG boilers from Berwickshire through to Tweeddale and Liddesdale. Most Borders installs are a like-for-like combi swap done in a day; a full system upgrade with a new flue, magnetic filter and smart controls usually runs to two or three days on site.

Get a Free Borders Quote Call 07747 002334

Most Borders boiler installations land between £2,200 and £4,500 depending on brand, controls and any system upgrades.

Why Borders homeowners pick us for boiler installation

Up to 12-year manufacturer warranty as Vaillant Advanced Installers — we register the warranty for you on commissioning day.
Oil and LPG covered too — essential for the rural Borders where mains gas thins out fast beyond the main towns.
Free survey and fixed written quote — never priced over the phone, never any commission-based sales visits.
Cold-climate detailing built in: 32mm condensate runs, weatherproof lagging on any external pipework, frost-protected siting.

What we'll do

Free survey and a fixed written quote — no high-pressure sales, no commission visits.
Up to 12-year Vaillant warranty registration handled for you on the day.
Magnetic system filter and full power-flush included on system upgrades.
Old boiler, flue and any redundant pipework removed and disposed of responsibly.
Smart heating controls (Vaillant vSMART or equivalent) fitted as standard.
Building Notice and gas safety paperwork lodged with Gas Safe and your local authority.

Boiler Installation in your Borders town

Click your town for the local page — local housing stock, fuel mix, planning quirks and recent jobs we've done nearby.

How it works

Step 1
Free survey
We assess your existing system, hot water demand, gas supply and any upgrades needed.
Step 2
Fixed written quote
Itemised, no-obligation pricing — clear timeline, brand options and warranty terms.
Step 3
Installation
Tidy work by Gas Safe registered engineers, dust-sheets down, on schedule.
Step 4
Demo & aftercare
System walkthrough, controls demo, paperwork lodged and warranty registered.

Credentials

Gas Safe registered (verifiable on the Gas Safe Register, reg. no. on every quote)
Vaillant Advanced Installer status — top tier, 12-year warranty rights
Fully insured with public liability cover up to £5m
Local engineers — no subcontracted installs

Featured Borders neighbourhoods for boiler installation

Local context matters — housing stock, fuel mix and access vary street by street across the Borders. Below are neighbourhoods we cover often:

Boiler Installation — Scottish Borders FAQs

How much does a new boiler typically cost?+

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

What warranty will I get?+

Up to 12 years on Vaillant boilers as Advanced Installers; 7–10 years typical on Worcester Bosch, Ideal and Baxi. We register the warranty for you on the day of commissioning.

How disruptive is a boiler swap?+

A like-for-like combi swap usually means one day with the heating off. A full system upgrade or a back-boiler-to-combi conversion runs two to three days. We'll always tell you up front what to expect.

Other services across the Borders

Free Borders-wide quote

Tell us where you are and what you need — we'll come back the same working day. Or call our 24/7 line on 07747 002334.

Get Your Free Quote

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