Retail heating, plumbing & compliance
Shops, salons, dry cleaners, convenience stores — small commercial retail units need reliable heating, hot water and drainage without shutting the shop.
You're not getting a call centre — you're getting Grant.
The same engineer quotes the job, does the work, and answers the phone afterwards if anything's not right.
Gas Safe Registered
Every gas job legally signed off
18+ years on the tools
Grant has been fixing boilers in Harlow since before smart thermostats existed.
Real human on the phone
Most calls answered the same day, often within the hour.
Locally based in your area
Not a national chain — your local engineer, your local prices.
What we do for retail units
- Combi and system boiler installation
- Water heater installation for backroom use
- Emergency leak response — minimising trading disruption
- Commercial gas safety certificates
Compliance & credentials
- Commercial Gas Safe registered
- Public liability certificate on request
- Isolation of gas/water done during closing hours where possible
Request a commercial · retail units quote in your area
Real engineer reply — usually within the hour during working times. Fixed written quote, no commission-driven sales, 12-month workmanship guarantee.
- Gas Safe registered
- Same-day cover where possible
- Fixed written quotes
- Manufacturer warranties up to 12 yrs
Frequently asked questions
Can you work outside our trading hours?▾
Yes — most retail work we schedule for after-hours or Sundays.
Do you handle unvented cylinders in commercial units?▾
Yes — G3 certified for unvented installation and servicing.
Related pages you might want
Get a quote for retail units
We survey, quote fixed, and can arrange work around your operating hours.