Josh Dunne · Gas Safe 623048 · Haywards Heath

Plumbing & heating across Sussex, done properly.

I’m Josh. I’ve been on the tools for over 15 years, and since 2018 I’ve run J Dunne Plumbing & Heating from Haywards Heath. New boilers, repairs, servicing and bathrooms, all done to the standard I’d want in my own home.

Boiler showing a code?See what it means and whether it’s safe to fix yourself.
A Vaillant boiler and unvented cylinder installed by J Dunne Plumbing & Heating, with neat copper pipework Vaillant ecoTEC boiler Pump & zone valves Unvented cylinder Copper, clipped & level
A recent J Dunne install
Gas Safe Register
Gas Safe registeredNo. 623048
“Josh was tidy and efficient and considerate of our personal circumstances.”
Verified customer
Gas Safe registeredNo. 623048
Vaillant AdvanceApproved installer
Glow-worm Club EnergyApproved installer
15+ yearsOn the tools
Free estimatesAnd honest advice
Explore your home

Where’s the problem? Tap the house.

Every part of your heating and plumbing in one picture. Tap a number to see the common problems, what to look out for, and how Josh can help.

01 / 09

The boiler

The heart of the system. If it’s over 12 years old, needs regular repairs or shows fault codes, it may be time for a new one. If not, a yearly service keeps it safe and under warranty.

Instant boiler quote

Your new boiler, priced in 60 seconds.

Answer five quick questions. You’ll see the boiler Josh would likely recommend, Vaillant and Glow-worm options side by side, the warranty, and a guide price. No email address needed.

  • Sized to your home, not oversold
  • Includes the system clean, filter, flue and certification
  • A free survey confirms a fixed price
Start my quote
A period cottage in a Sussex village
2018J Dunne Plumbing & Heating foundedAfter an apprenticeship straight from school

I’d rather do one job properly than three in a rush.

Josh Dunne, founder
Meet Josh

One name on the van, and on the work.

Josh started his apprenticeship straight from school, and he’s spent more than 15 years learning the trade properly. When you call J Dunne, you speak to the engineer who turns up, quotes the job and stands behind it afterwards.

On timeAnd a message if anything changes.
Tidy & considerateDust sheets down, and the mess goes with him.
AccreditedGas Safe, Vaillant & Glow-worm.
Honest adviceFree estimates and no hard sell.
More about Josh
Fault code helper

Boiler flashing a code? Find out what it means.

Choose your boiler make, type the code, and get a plain-English explanation. You’ll see what’s safe to check yourself, and when to stop and call.

VaillantGlow-wormWorcester BoschBaxiIdeal
Boiler showing a code?See what it means and whether it’s safe to fix yourself.
How it works

Straightforward, from the first call.

Book a service online
  1. 01

    Call or get a quote

    Ring Josh, send a text, or use the instant boiler quote to get a guide price in a minute.

  2. 02

    A free visit

    Josh comes out, looks at your system and listens to what you need. There’s no charge and no hard sell.

  3. 03

    A fixed price

    You get a clear written quote with no hidden extras, and a date that suits you.

  4. 04

    Done properly

    Dust sheets down, a tidy installation, everything tested and explained, and a reminder when your next service is due.

Reviews

What customers say about Josh.

Tidy, efficient and considerate: those are the words customers use. You can read more on Checkatrade.

“I was pleased with the way the work was carried out, with the minimum of fuss. Josh was tidy and efficient and considerate of our personal circumstances in this challenging time.”
Verified customerHeating work
“The work carried out was excellent. Josh was very professional and polite. I was very pleased with the results.”
Verified customerPlumbing work
Checkatrade

Josh is listed on Checkatrade, so you can see every review in one place, written by real customers.

Read all reviews
Areas covered

Based in Haywards Heath. Covering Mid Sussex.

Most of Josh’s work is within half an hour of Haywards Heath: up to Crawley and East Grinstead, across to Horsham, and down to Lewes and the coast.

FAQ

Questions people ask Josh

Can’t see your question? Call or text Josh on 07444 806301.

Which areas do you cover?

Josh is based in Haywards Heath and covers Mid Sussex and the surrounding towns, including Burgess Hill, Lindfield, Cuckfield, Hassocks, Crawley, East Grinstead, Horsham, Lewes, Uckfield and Brighton.

Are you Gas Safe registered?

Yes. J Dunne Plumbing & Heating is Gas Safe registered under number 623048. You can check any engineer’s registration on the Gas Safe Register website.

Do you give free estimates?

Yes. Estimates and advice are free. For bigger jobs like a new boiler or a bathroom, Josh visits, looks at what you have and gives you a fixed written quote.

Who will actually do the work?

Josh, the person you speak to on the phone. You won’t be passed to a call centre or a subcontractor you’ve never met.

Do you work on all boiler makes?

Yes. Josh services and repairs all the major makes. For new boilers, he installs Vaillant and Glow-worm as an accredited installer, which means longer warranties for you.

Free estimates & advice

Let’s get your heating sorted.

Call Josh for anything urgent, text a photo of the problem, or get a boiler price online in a minute.

Concept design · not the official website