Gas & Heating Engineers

Boiler Installation in Southall

Gas Safe registered (No. 623092) boiler installation and replacement in Southall. Rated 5.0 from 240+ Google reviews.

Free home survey, then a written quote naming the exact boiler, at a price that does not change. Vaillant Advance Platinum, Baxi Approved and Worcester Bosch installer, almost a decade installing heating across West London, and you deal directly with the founder, Ravinder Singh.

ਪੰਜਾਬੀ ਵਿੱਚ ਗੱਲ ਕਰੋ. English, Punjabi, Hindi and Urdu spoken, so the whole family can ask questions in the language they are most comfortable with.

📍 Serving: Southall
Serving Southall

Your local gas & heating
specialists

Southall is at the heart of our patch, and a community we know well. DGN GAS installs and replaces boilers across Southall's family homes, with heating advice available in English, Punjabi or Hindi from a Gas Safe registered, F Gas qualified team covering boilers, Megaflo cylinders, underfloor heating and air conditioning.

From luxury homes and high-end renovations to family homes and first-time buyers — every job carried out to the same uncompromising standard.

About Southall

Your local heating team
in Southall

Southall is at the heart of our patch, and a community we know well. The area has a strong family home market with a mix of terraced and semi-detached properties, many owner-occupied by families who have been in the area for generations. We work with homeowners across Southall on boiler replacements, Megaflo installations and central heating upgrades, often for families wanting to improve the heating in a property that hasn't been updated for many years.

Our team speaks English, Punjabi, Hindi and Urdu (ਪੰਜਾਬੀ ਅਤੇ ਹਿੰਦੀ ਵਿੱਚ ਵੀ ਗੱਲ ਕਰ ਸਕਦੇ ਹਾਂ), making it easy for families across Southall to discuss their heating requirements and ask questions in the language they're most comfortable in.

We cover all of Southall including Southall Broadway, Norwood Green, Dormers Wells and the surrounding streets.

Recent Work

Recent work in and
around Southall

Southall

Worcester Bosch Greenstar 4000 combi boiler installed for a homeowner, November 2026.

Southall

Baxi 800 combi boiler installed at a rental property for a long-standing customer, with annual servicing since.

Southall, UB1

Landlord gas safety inspection on a combi boiler and gas hob, with the digital Gas Safety Record issued the same day, September 2026.

Southall

Glow-worm combi boiler service for a homeowner, booked over WhatsApp, October 2026.

Southall

New gas cooker installed for a homeowner.

Southall

Annual gas safety inspections across a family's rental properties, plus repairs on the grandmother's Vaillant boiler.

Installation Services

What we install
in Southall

Most Popular

Boiler Installation

New boiler installation and replacement across Southall. Worcester Bosch, Vaillant, Baxi and ATAG supplied and fitted. Full Gas Safe certification and manufacturer warranty registration.

Hot Water

Megaflo & Cylinder Installation

Megaflo and unvented hot water cylinder installation in Southall. Megaflo specialists — our work was featured in the Megaflo installer campaign.

Renewable

Heat Pump Installation

Air source heat pump installation in Southall. Government grant up to £7,500 available. F Gas qualified engineers.

Premium Comfort

Underfloor Heating

Wet underfloor heating for new builds, extensions and renovations across Southall. Full system design and installation.

Year-Round

Air Conditioning

Split system and multi-room air conditioning installation in Southall. F Gas qualified. All major brands supplied and installed.

Full System

Central Heating

Full central heating system installation and upgrades across Southall. New systems, extensions and heat pump ready installations.

Servicing & Maintenance

Local servicing across
Southall

As well as installations, our team covers Southall for annual boiler servicing, boiler repairs, gas safety certificates (CP12) and emergency callouts. One trusted local engineer for everything — from the initial installation to annual servicing years down the line.

Annual

Boiler Servicing

Annual boiler service by Gas Safe registered engineers to keep your boiler safe, efficient and under warranty.

Landlords

Gas Safety Certificates

CP12 gas safety certificates for landlords across Southall. Digital certificate issued same day.

When You Need Us

Boiler Repairs

Fast diagnosis and repair of boiler faults across Southall. Fault finding and repair on all major boiler brands across Southall.

Emergencies

Emergency Callouts

Heating broken down? We respond to emergency callouts across Southall as quickly as possible.

Why Choose DGN GAS

The right engineers
for Southall

I

Gas Safe Registered & F Gas Qualified

All gas work carried out by Gas Safe registered engineers. Registration No. 623092. F Gas qualified for air conditioning and heat pump installations.

II

Registered with the Major Manufacturers

Baxi Approved, Vaillant Advance & Worcester Bosch Installers. Manufacturer warranties fully protected on every installation.

III

240+ 5-Star Google Reviews

Verified five-star reviews from homeowners, landlords and families across London. Read them on our Google Business Profile.

IV

English, Punjabi, Hindi & Urdu Spoken

Our team serves clients in English, Punjabi, Hindi and Urdu — ਪੰਜਾਬੀ ਅਤੇ ਹਿੰਦੀ ਵਿੱਚ ਵੀ ਗੱਲ ਕਰ ਸਕਦੇ ਹਾਂ

How It Works

How a boiler installation
with us works

I

Call or message

Tell us about your current boiler and your home. We may ask for a few photos or a short video if possible, which helps us give you a rough price over the phone, then we book a free home survey.

II

Free home survey

We check the boiler position, flue route, radiators, pipework and water pressure, and talk through combi versus system boiler and cylinder for your home.

III

Written quote, price fixed

The quote names the exact boiler and materials and sets out the work. The price we state is the price of the job.

IV

Installation and handover

Installed and commissioned, the system flushed and inhibitor added, Benchmark completed, Building Control notified and the manufacturer's warranty registered by us.

Get a Free Quote

Serving Southall

Gas Safe Registered · No. 623092
F Gas Qualified
Baxi Approved, Vaillant Advance & Worcester Bosch Installers
English · Punjabi · Hindi spoken
240+ 5-Star Google Reviews
Common Questions

Boiler installation
in Southall

Can we discuss our heating in Punjabi, Hindi or Urdu?
Yes. Our team speaks English, Punjabi, Hindi and Urdu, so you can go through the options and ask questions in whichever language you're most comfortable with.
Our Southall family home hasn't had the heating updated in years. Where do we start?
We start with a free assessment of the existing system and the size of the home, then recommend the right replacement, often a system boiler and cylinder for a busy family house, with proper controls to keep running costs down. Read more on combi or cylinder for a London home.
Which parts of Southall do you cover?
Southall Broadway, Norwood Green, Dormers Wells and the surrounding streets.
How does a boiler quote from DGN GAS work in Southall?
We can give a rough price over the phone, then we visit for a free home survey. After the survey you get a written quote that names the exact boiler and materials and sets out the work, at a price that does not change. There is no obligation. If you are comparing quotes, see what to check on a boiler quote.
What Customers Say

Reviews from customers in Southall.

★★★★★

"Glad to have met Ravinder. DGN GAS serviced my Worcester Bosch boiler in Southall and am happy with the service. I told him it was a shame I didn't know him when we wanted to get the boiler install done. Was recommended to me by family and I would recommend to others too."

Charanjit Willang
Worcester Bosch Service · Southall · Google Review
★★★★★

"I’m very pleased with the service I received from DGN GAS, particularly from Ravinder. He is a genuinely pleasant, patient, friendly and considerate person who takes the time to understand the issue and explain things clearly. What I really appreciate is that he does what he says he will do and fulfils his commitments in a timely manner."

Yadvinder Chauhan
Vaillant Boiler & Megaflo · Southall · Google Review
★★★★★

"Very professional. Ravinder came out when he said would and gave me a full written quotation. His pricing was fair, and his communication excellent. Thank you."

R C
Boiler Quotation · Southall · Google Review
Nearby Areas

We also cover nearby

DGN GAS works right across West, North West and South West London. If you're close to Southall, we also serve:

Boiler installation Greenford › Boiler installation Ealing › Boiler installation Hounslow ›

Need a gas engineer in Southall?

Call 07813 474638 for a free home survey and a written quote at a price that does not change. Most installations booked within the week.

Get a Quote 07813 474638
Call Get a Quote WhatsApp