Boiler installs near me — Theydon Bois
Local, family-run, based 15 minutes from Theydon Bois. We're not a national franchise and we're not a one-man-band — we're a small Gas Safe registered team that's been the local choice for boiler and plumbing work in this corner of Essex and Hertfordshire for years. For full installs in Theydon Bois we'll size the boiler against your real demand, not just like-for-like swap whatever's on the wall.
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 Theydon Bois
Not a national chain — your local engineer, your local prices.
Local, family-run, based 15 minutes from Theydon Bois. We're not a national franchise and we're not a one-man-band — we're a small Gas Safe registered team that's been the local choice for boiler and plumbing work in this corner of Essex and Hertfordshire for years. For full installs in Theydon Bois we'll size the boiler against your real demand, not just like-for-like swap whatever's on the wall.
What's included
Combi Boiler Installation
Single-unit installs for most 1–3 bathroom homes — no tank needed.
Learn moreSystem Boiler Installation
For larger homes with multiple bathrooms and high hot water demand.
Learn moreRegular (Heat-Only) Boiler Replacement
Like-for-like swaps for older conventional systems with tank and cylinder.
Learn moreBack Boiler Replacement
Removing fireplace back boilers and replacing with modern combi or system units.
Learn moreAbout Theydon Bois
Period village stock with modern detached infill.
- Forest-edge conservation considerations
- Older system replacements
From first call to handover — our boiler installs routine
Site visit
We measure up, check radiator output, and confirm the gas pipe size is right — undersized supply pipes are the most common reason boilers underperform after install.
Quote & options
Two or three boiler options at different price points so you can pick what fits your budget.
Install
Old boiler removed, new one fitted, system flushed, controls set up. Usually a single day for a straight swap, two for a full system change.
Aftercare
Annual service reminders, plus a real human at the end of the phone if anything plays up.
Our approach to boiler installs in Theydon Bois
When you book us for boiler installations in Theydon Bois, you get a real, named engineer turning up — not a sub-contractor.
We know the housing in Theydon Bois and what tends to go wrong with it, which means fewer surprises mid-job.
Fixed prices in writing before any work starts. The number you agree is the number you pay.
What you get when you book us
- Family-run, no commission-driven sales
- Vaillant Advance approved
- Fixed written quotes — no surprise extras
- Worcester Bosch Accredited Installer
- Up to 12-year manufacturer warranties
Things Theydon Bois customers usually ask about boiler installs
Where exactly are you based?▾
We're based in Harlow and cover everything within roughly 25 minutes — the CM, EN and SG postcodes that make up West Essex and East Herts.
Are you a small team or a big firm?▾
Small family team. The person quoting you is the person doing the work — there's no sales rep, no sub-contracting, no call centre.
Do you take the old boiler away?▾
Yes — old boiler, packaging and any redundant parts are removed and disposed of properly at no extra cost.
How much does a new boiler cost fitted?▾
Most combi swaps run £2,200–£3,800 fitted depending on brand and any system upgrades. We give you a written fixed price after a free survey — no obligation.
Where else we work near Theydon Bois
Related services in Theydon Bois
Boiler repairs in Theydon Bois
No heating or hot water? We respond fast — usually same day — diagnose properly, and give you a fixed price before any work starts.
Boiler servicing in Theydon Bois
Annual servicing keeps your boiler safe, efficient, and your manufacturer warranty valid. Full inspection, combustion analysis, and a written report.
Heating upgrades in Theydon Bois
Cold radiators, noisy systems, sky-high bills? Power flushes, smart thermostats, radiator swaps and full system upgrades that pay for themselves.
Plumbing in Theydon Bois
Everyday plumbing done properly — taps, toilets, leaks, washing machines, showers, outside taps and isolation valves.
At a glance
- Service
- New Boiler Installations
- Coverage
- Theydon Bois (CM16) and surrounding areas
- Response time
- Usually within 24–48 hours
- Credentials
- Gas Safe registered, fully insured, 12-month workmanship guarantee
- Pricing
- Fixed written quotes, no surprise extras
Roughly what you'll pay in Theydon Bois
These are honest starting prices for jobs we do every week. Final quote depends on your property — we'll always confirm in writing before any work starts. No surprise add-ons.
| Job | Price |
|---|---|
Combi-to-combi swap (like-for-like) incl. magnetic filter, system flush, 2-yr labour warranty | from £1,950 |
Conventional → combi conversion tank removal, full pipework reconfiguration | from £2,800 |
System boiler with new cylinder for 3+ bedroom / 2-bathroom homes | from £3,400 |
Free home survey & fixed quote no commission-driven upsells | £0 |
Prices include VAT. Parts quoted separately and shown on your written quote.
Other ways Theydon Bois customers find us for boiler installs
Same engineer, same fixed pricing — different question, different answer.
Your local engineer for Theydon Bois
Free written quote, no obligation. Real engineer, fixed price, fast response.