001 / Plumbing & HeatingEst. 2006

RELIABLE
PLUMBING.
MODERN SERVICE.

A family-run team of Gas Safe registered engineers. Same-day callouts, fixed written quotes, and zero mess left behind — across London and the Home Counties.

18+
Years on the tools
< 1hr
Avg. response
4.9★
Across 612 reviews
Halcyon engineer working on pipework under a kitchen sink
On the job
Engineer · Mark T.
N1 · Boiler swap
Certified
Gas Safe · 624891
GAS SAFE REGISTEREDCHAS ACCREDITEDWATERSAFE APPROVEDCITY & GUILDSTRUSTMARKWHICH? TRUSTEDWORCESTER ACCREDITEDGAS SAFE REGISTEREDCHAS ACCREDITEDWATERSAFE APPROVEDCITY & GUILDSTRUSTMARKWHICH? TRUSTEDWORCESTER ACCREDITEDGAS SAFE REGISTEREDCHAS ACCREDITEDWATERSAFE APPROVEDCITY & GUILDSTRUSTMARKWHICH? TRUSTEDWORCESTER ACCREDITED
A.01What we do

Every job done by a real engineer.

No call centres, no sub-contracted strangers. Halcyon engineers wear our uniform, drive our vans, and stand by their work in writing.

24 / 7 / 365
Emergency callout?

Burst pipe, flood, no heat in winter — a real engineer answers, day or night. Most jobs reached within the hour across central London.

Call 0203 555 0188
A.02Recent work

Honest jobs. Photographed on the day.

Start your project
Full master bathroom refitBathroom · Islington

Full master bathroom refit

4 weeks · £18,400
Worcester 8000 boiler installHeating · Hampstead

Worcester 8000 boiler install

1 day · £3,200
Ground-floor copper repipeRepipe · Camden

Ground-floor copper repipe

3 days · £4,950
A.03Why Halcyon

Old-school
craftsmanship.
New tools.

We're plumbers first. The thermal cameras, leak loggers and route-planning tech just help us do the trade better — not replace the people doing it.

Rated 4.9 / 5 across 612 verified reviews

Family-owned since 2006

Same family. Same standards. Three generations of plumbers on the team today.

Fixed written quotes

Every job priced flat, in writing, before we lift a tool. No timed-rate surprises.

Gas Safe & WaterSafe

Fully accredited, fully insured, and audited annually for safety and competence.

We turn up on time

ETA texts when the engineer leaves the depot. A real human voice on the phone.

5-year workmanship guarantee

Every installation is backed in writing. We come back, free, if anything moves.

Clean as we go

Dust sheets, shoe covers, vacuumed floors. Your home is left tidier than we found it.

A.04 ·Service area

Covering London & the Home Counties.

Three depots. Twelve engineers. Average 47-minute response inside the M25. If you can see it on the map, we cover it.

Halcyon & Sons branded service vans at the London depot
Postcodes covered
IslingtonCamdenHackneyHampsteadHighgateKensingtonChelseaWestminsterNotting HillShoreditchMayfairFulhamSt John's WoodPimlicoMaryleboneHolland Park
47 min
Avg. response · M25
3
Depots citywide
12
Engineers on call
24/7
Phones answered
A.05How it works

From phone call to fix. Three steps.

01Step 01

Contact us

Call, WhatsApp or book online. A real human answers, day or night.

02Step 02

Fast diagnosis

On-site assessment with a written, flat-rate quote. No obligation.

03Step 03

Professional repair

Engineer arrives in uniform, fixes it cleanly, leaves no mess.

A.06What clients say

612 reviews. 4.9 stars.

Boiler went on a Sunday night in February. Halcyon had an engineer at our door before midnight and heat back on by 1am. Honestly faultless.
S
Sarah K.
Islington · Boiler emergency
Quoted, fitted and finished a full ensuite in 9 days. Tidy crew, fair price, beautiful work. Already booked them for the downstairs WC.
D
Daniel R.
Hampstead · Bathroom install
Three other plumbers said it was guesswork. Halcyon found the leak under our kitchen floor in 20 minutes with a thermal camera. Saved the room.
P
Priya M.
Notting Hill · Leak repair
A.07Get in touch

Need a reliable plumber?

Fast response times and professional plumbing solutions tailored to your needs. Tell us what's wrong — we'll do the rest.

Request a quote
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