Gas Safe Registered

Gas Safe Registered

Licence No. 936121

Hertfordshire's Trusted Plumber& Heating Engineer

Covering Watford, St Albans, Hemel Hempstead and all of Hertfordshire. Boiler installations, repairs, central heating and emergency call-outs — 24 hours a day, 7 days a week.

5-star rated on Google
10+ years combined experienceSame-day available

Gas Safe Registered

No. 936121

5-Star Rated

Google Reviews

24/7 Emergency

Burst pipes & boilers

Hertfordshire & London

All areas covered

Phone & WhatsApp Quotes

Free, no obligation

Why C A Waters?

Hertfordshire & London's Trusted Heating Specialist

Established in 2022 and based in Watford, we bring over 10 years of combined industry experience to every job — from a dripping tap to a full heating system installation — with the same level of care, skill and professionalism every time.

  • Gas Safe registered (No. 936121)
  • Established 2022 — Watford-based
  • 5-star rated on Google
  • Same-day and 24/7 emergency call-out
  • Fixed prices — no hidden charges
  • All work fully insured and guaranteed
  • Vaillant Advance Installer
  • Specialist in Hertfordshire hard water issues
10+
Years Combined Experience
5★
Google Rating
24/7
Emergency Cover
1,000+
Jobs Completed

Simple Process

Getting Your Job Done Is Simple

01

Call or WhatsApp for a Quote

Ring us on 0208 092 1359 or message us on WhatsApp. We'll discuss your requirements and give you a free quote over the phone or via WhatsApp, then book an appointment that suits you.

02

Our Engineer Attends & Diagnoses

Our Gas Safe registered engineer arrives at the agreed time, attends to the issue, and either resolves it on the spot or — for larger works — agrees a fixed written price before proceeding. A standard call-out fee applies.

03

Job Done, Guaranteed

We complete the work to the highest standard, leave your property clean and tidy, and back our workmanship with a 6-month guarantee.

Customer Reviews

What Our Customers Say

5-star rated on Google

Hertfordshire Has the Hardest Water in England

At 300–400ppm, Hertfordshire's hard water silently destroys boilers, coats pipes in limescale and cuts heating efficiency by up to 15%. A water softener is the most effective long-term solution — protecting your boiler, appliances and pipework from the inside out.

Service Area

We Cover All of Hertfordshire

Based in Watford, we cover every town and village across Hertfordshire and London areas including Barnet, Edgware, Finchley and Enfield.

Available Right Now

Need an Emergency Plumber in Hertfordshire or London?

Burst pipe? Boiler breakdown? No hot water? We're on call 24 hours a day, 7 days a week — including bank holidays.

Mon–Sun: 8am–6pm · 24/7 Emergency Call-Out

Got Questions?

Frequently Asked Questions

Boiler installation costs typically range from £1,500 to £3,500 depending on the boiler model, system type and any additional pipework needed. We provide free quotes over the phone and WhatsApp — call 0208 092 1359 or message us.

Yes. C A Waters Plumbing & Heating is fully Gas Safe registered (No. 936121). You can verify our registration at any time on the Gas Safe Register website. All our gas work is certified and compliant with current UK regulations.

Yes. We offer a 24/7 emergency call-out service across Hertfordshire and London. Whether it's a burst pipe, boiler breakdown or gas leak, call us on 0208 092 1359 and we'll get to you as quickly as possible.

Hertfordshire has some of the hardest water in England at 300–400ppm. Over time, this causes sludge and limescale to build up inside your radiators and boiler, reducing efficiency and leading to cold spots. A power flush removes this buildup, restoring your system's performance and extending its life.

We cover all of Hertfordshire including Watford, St Albans, Hemel Hempstead, Stevenage, Hatfield, Welwyn Garden City, Hertford, Rickmansworth, Harpenden, Berkhamsted and many more towns. We also cover London areas including Barnet, Edgware, Finchley, Enfield and Mill Hill.

Most boiler installations are completed within one day. If the job involves significant changes to pipework, flue routing or a full system upgrade, it may take two days. We'll give you a clear timeline when we provide your phone or WhatsApp quote.

Still have a question?

We're happy to help — call us or drop us a message.

Based in Watford

Serving All of Hertfordshire & London

Get in Touch

Request a Quote

Free quotes over the phone or WhatsApp — or use the form below.

Fastest response:Call 0208 092 1359 or WhatsApp us for a free phone quote.

Or call us directly: 0208 092 1359

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