DWG № CW-001SCALE 1:1
Plumbing engineers — Bristol & Bath

Engineering comfort into every home.*

We don't just fix leaks. We design, build, and restore the hidden systems a home depends on — with the precision of engineers and the care of craftsmen. (*and workshop, and hotel, and chapel.)

38 yrsIn practice
1,400+Commissions
24 / 7Emergency line
SIGHT GLASS — FLOW 2.1 L/S GATE VALVE ½ TURN OPEN 22MM CU BS EN 1057 RISER A RUN 3.6 M FIG. 01 — DOMESTIC RISER, DETAIL
DWG № CW-002SERVICES
The craft

One house, six systems — select a callout to explore.

Every home is a working machine. Tap the numbered points on the section drawing to see how we design, install, and maintain each system.

1 2 3 4 5 6 FIG. 02 — SECTION A-A, NTS
DWG № CW-003THE STUDIO
The studio

Part workshop, part drawing office.

1987

A bench in Foundry Yard

Ray Cobb starts repairing heritage lead and copper work for Bristol's Georgian terraces, one commission at a time.

"Measure the building twice — it was here before you and it'll be here after."

— RAY COBB, SITE NOTEBOOK, P.114

1999

Waters joins

Heating engineer Marie Waters brings hydronic design in-house. The firm starts drawing every system before touching a pipe.

2012

The drawing rooms

We move into a converted pattern-maker's workshop and formalise the studio practice: survey, drawing, specification, build. Every project leaves with a bound set of as-built drawings — most clients frame page one.

Sketch first. Solder second.FALL 1:40
Today

Second generation

Eleven engineers, two apprentices, and a plan chest full of drawings — still taking on the jobs other firms call "too fiddly."

DWG № CW-004SELECTED WORKS
Selected works

Built work, documented.

Hover any project for the engineer's numbers.

№1
CLIFTON VILLA — PLAN, LEVEL 01
Residential

Clifton Villa, full re-plumb

A complete hidden re-plumb of a six-bedroom villa — every run drawn, labelled, and photographed before the walls closed.

№2
GRADE II CHAPEL — LEAD & COPPER RESTORATION
Heritage Restoration

Grade II chapel conversion

Conservation-approved replacement of Victorian lead work, routed invisibly through original joinery.

№3
HARBOURSIDE PENTHOUSE — WET ROOM DETAIL
Luxury Bathrooms

Harbourside penthouse wet room

Book-matched stone, a rain ceiling, and pressure-balanced brass work — plumbing as furniture.

№4
BAKERY GROUP — 3-SITE COMMERCIAL FIT-OUT
Commercial

Artisan bakery group, three sites

Steam, water, and drainage for three working bakeries — installed overnight around live production.

№5
FARMHOUSE — RAINWATER HARVEST & HEAT RECOVERY
Sustainable Plumbing

Somerset farmhouse, closed-loop

Rainwater harvesting, greywater reuse, and drain-water heat recovery for a working smallholding.

Emergency service — 24/7

When water goes where it shouldn't, we answer.

Burst mains, failed cylinders, rising damp at midnight. One number reaches a duty engineer — not an answering service — every hour of the year.

Emergency Line — 0117 946 2210 ← Move across the water →
DWG № CW-005INSTRUMENT PANEL
Instrument panel

Read the dials.

SATISFACTION
99%
Customer satisfaction
RESPONSE / MIN
< 55 min
Avg. emergency response
COMMISSIONS
1,400+
Projects completed
YEARS
38 yrs
In continuous practice
DWG № CW-006SERVICE LOGBOOK
The service logbook

Signed off, in their own hand.

Approved
JOB № 4127REDLAND

"They drew the whole heating system before quoting. When the boiler went in, it matched the drawing to the millimetre. Never seen anything like it from a trade."

— Eleanor V.HEATING REDESIGN · MAR 2026
Approved
JOB № 4058BATH

"A pipe burst behind our shop counter on a Saturday night. Their engineer arrived in forty minutes, isolated it, and we opened on Sunday as usual."

— Tom & PriyaEMERGENCY CALLOUT · JAN 2026
Approved
JOB № 3990CLIFTON

"Our 1840s house needed everything replaced without losing a single cornice. They treated it like restoration work, because to them it was."

— The HarewoodsHERITAGE RE-PLUMB · NOV 2025
Commission sheet

Start your project.

Describe the building and the brief. A partner — not a call centre — replies within one working day with next steps and a survey date.

Telephone

0117 946 2210MON–FRI 08:00–18:00

Email

studio@cobbandwaters.co.ukREPLIES WITHIN 1 WORKING DAY

The studio

The Drawing Rooms, 3 Foundry Yard, Bristol BS1 6QS

VISITS BY APPOINTMENT

Emergency line

0117 946 221024 HOURS · 365 DAYS
COMMISSION SHEET RECEIVED — WE'LL REPLY WITHIN ONE WORKING DAY.