Gas & Heating Engineers

Boiler Installation in Hounslow

Gas Safe registered (No. 623092) boiler installation and replacement in Hounslow. 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.

English, Punjabi, Hindi and Urdu spoken.

📍 Serving: Hounslow
Serving Hounslow

Your local gas & heating
specialists

From the Victorian terraces of Brentford and Chiswick to the family semis further out, DGN GAS installs and upgrades heating across Hounslow, including tired gravity hot-water systems. Our Gas Safe registered, F Gas qualified team covers boilers, Megaflo cylinders, underfloor heating and air conditioning right across Hounslow.

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

About Hounslow

Local heating engineers
across Hounslow

Hounslow is a busy West London borough with a wide range of residential property, from Victorian terraces in Chiswick and Brentford to newer developments and family semis across Hounslow, Heston and Cranford. The borough has a high proportion of both owner-occupiers and rental properties, making it an area where we carry out a mix of boiler installations for homeowners and landlord gas safety work. Many of the older Victorian and Edwardian properties in the eastern parts of the borough are well suited to unvented cylinder installations to replace ageing gravity-fed hot water systems.

We cover all of Hounslow including Chiswick, Brentford, Isleworth, Heston, Cranford and Feltham for all installation and servicing work.

Recent Work

Recent work in and
around Hounslow

Hounslow

Worcester Bosch boiler installed for a homeowner, and serviced by us every year since.

Hounslow

Hot water cylinder installed for a family home.

Heston, TW5

Powerflush of the radiators and heating pipework, system treated with inhibitor, and a wireless ESI thermostat fitted, September 2026.

Hounslow

Gas valve replaced on a boiler, then a new hob and extractor fitted for the same customer.

Stanwell

Baxi boiler servicing and gas safety certificates across several properties for a landlord.

Installation Services

What we install
in Hounslow

Most Popular

Boiler Installation

New boiler installation and replacement across Hounslow. 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 Hounslow. Megaflo specialists — our work was featured in the Megaflo installer campaign.

Renewable

Heat Pump Installation

Air source heat pump installation in Hounslow. 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 Hounslow. Full system design and installation.

Year-Round

Air Conditioning

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

Full System

Central Heating

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

Servicing & Maintenance

Local servicing across
Hounslow

As well as installations, our team covers Hounslow 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 Hounslow. Digital certificate issued same day.

When You Need Us

Boiler Repairs

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

Emergencies

Emergency Callouts

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

Why Choose DGN GAS

The right engineers
for Hounslow

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 Hounslow

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 Hounslow

Do you do landlord gas safety certificates in Hounslow?
Yes. Hounslow has a high proportion of rental property, and we issue CP12 gas safety certificates for landlords, usually with a same-day digital certificate, alongside servicing and repairs.
We have an older terrace in Brentford with a gravity hot-water system. Can you upgrade it?
Yes. Many of the older Victorian and Edwardian properties in the eastern part of the borough still run gravity-fed tanks; we replace these with a sealed system and unvented cylinder for better pressure and reliability. Read more on combi or cylinder for a London home.
Which areas of Hounslow do you cover?
Hounslow, Chiswick, Brentford, Isleworth, Heston, Cranford and Feltham.
How does a boiler quote from DGN GAS work in Hounslow?
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 Hounslow homeowners.

★★★★★

"I had my Worcester Bosch boiler installed by Dgn gas in Hounslow. Very happy and they service it for me. Prompt service."

Rajinder Jalota
Worcester Bosch Installation · Hounslow · Google Review
★★★★★

"Mr. Ravinder Singh installed our Hot water Cyclinder at our house in Hounslow. Very happy with the work and service provided. Efficient work, amazing, neat, kind and professional. Would recommend to anyone."

Harpreet Klair
Hot Water Cylinder Installation · Hounslow · Google Review
★★★★★

"Had a problem with my boiler flue , DGN were very helpful and fixed it within hours of intial contact. I would highly recommend them ."

Sandip Sahota
Worcester Bosch Flue Repair · Hounslow · 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 Hounslow, we also serve:

Boiler installation Chiswick › Boiler installation Ealing › Boiler installation Southall ›

Need a gas engineer in Hounslow?

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.

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