Boiler Installation
Expert Boiler Installation from Sigma Plumbing & Heating
Our Gas Safe-registered engineers, led by Simon, manage every boiler installation from on-site survey to safe handover. We assess property heat loss, pipework and flue routes, recommend energy-efficient models (Navien, ATAG, Intergas) and handle full commissioning to current safety regulations. We also arrange manufacturer warranties, including ATAG's 18-year cover.
Why Choose us for Boiler Installation?
All installations are carried out by Gas Safe-registered engineers — safety, legal compliance and tidy workmanship guaranteed.
How It Works
Site survey & heat assessment
A Gas Safe engineer inspects your home — heat loss, radiators, pipework and flue routes — to specify the correct boiler size and placement.
Product selection & approval
We present suitable, energy-efficient options (Navien, ATAG, Intergas), explain warranties and installation implications, and confirm the scope before booking.
Installation & commissioning
Simon or a Gas Safe colleague complete the install, pressure test and full commissioning to current regulations, hand over paperwork and register any manufacturer warranties.
Frequently Asked Questions
Find answers to common questions about our services and process.
Installation time depends on complexity. A straightforward like-for-like swap in a house typically takes a day; larger jobs with new pipework, flue work or system upgrades take longer. We confirm a clear timescale after the site survey and aim to minimise disruption.