One Patch, Two Water Companies — a Heather Gardens Line That Answers From Cricklewood Broadway to Ballards Lane
Plumber in Cricklewood & Finchley
Most plumbing patches sit on one water company. This one is split down the middle, and that quirk shapes half the calls we take. Cricklewood (NW2) and Hendon (NW4) draw from Thames Water, hard at around 260 to 265 mg/L of calcium carbonate; cross north and east into Finchley (N2, N3, N12) and Golders Green with Hampstead Garden Suburb (NW11) and the tap runs off Affinity Water, hard at about 275 mg/L. Both class the supply as hard, so scale forever furs combi boilers, cylinders, immersion heaters and heat exchangers whichever side of the line a house sits on — but the supplier, meter and stopcock arrangement can change street to street, worth knowing before quoting a descale or a rising-main job. Our own base at 3 Heather Gardens, NW11 falls on the Affinity side, a mile and a half up from the Broadway.
Read the patch by its housing and the work makes sense. Cricklewood runs along the A5 Broadway — the Roman Watling Street, and the boundary between three boroughs, Barnet, Brent and Camden — in late-Victorian, Edwardian and 1930s terraces, some protected in the Mapesbury Estate and Cricklewood Railway Terraces conservation areas, with the vast Brent Cross Town regeneration reshaping the old railway lands to the east. Finchley, wholly inside Barnet up the A1000 around Finchley Central and North Finchley, mixes Victorian villas near Church End with interwar 'Metro-land' semis. Golders Green boomed after its Underground station opened in 1907, filling with Edwardian and 1920s houses that back onto Hampstead Garden Suburb, laid out from 1906 and so tightly conserved that the Suburb Trust must sign off any change to a home's external face. We also cover Hendon, Childs Hill and Temple Fortune around the same base.
Behind all of it is Ben and Josh, who started the firm in 2008 and are still the only two names on every quote eighteen years on. We work out of 3 Heather Gardens in NW11, we are open 24 hours, and when you dial 07460 035034 a person who can talk the job through answers — not a recorded line promising to call back once an office opens. Whatever the size of the work, a fixed written quote is agreed before a single fitting is disturbed, labour, parts and clearing up in one figure, usually from around £80 for a standard call-out. The plumbers we coordinate handle emergency plumbing, blocked drains & drain unblocking, boiler & hot water repair, leak detection & repair and bathroom installation — the full list of services is one tap away. Meet Ben and Josh on about, read what households have said on reviews, or go straight to contact.
- ✓ A Real Voice Picks Up at Any Hour, Every Day of the Year
- ✓ The Figure Is Fixed in Writing Before a Fitting Is Touched
- ✓ Ben and Josh — the Same Two Owners on Every Job for Eighteen Years
- ✓ Fittings Specified to WRAS Approval Under the 1999 Water Regulations

About Us
Ben and Josh, Working Out of 3 Heather Gardens in NW11 Since 2008
From a three-borough terrace on Cricklewood Broadway drawing Thames Water to a big Garden Suburb house on Affinity up in NW11, the process never changes — the same engineer, the same fixed written quote, the same 24-hour line, whichever side of the supply boundary the address falls on. Meet Ben and Josh on about, read what households say on reviews, or head to contact for a quote — or call 07460 035034.
Call 07460 035034The #1 Choice
Booked From Both Sides of the Supply Boundary Since 2008
Any firm can wrap a phone number round a van and call the whole of NW London its own. What actually settles things when a cylinder splits on a Sunday night is who lifts the phone, whether the figure you were quoted is the figure you pay, and whether the person on the doorstep can tell a three-borough Cricklewood terrace on Thames Water from a conservation-bound Garden Suburb house on Affinity before opening pipework up.
- Answered around the clock, all year — a real voice takes the call even at three in the morning, never an overnight message loop
- Ben and Josh have owned the firm since 2008 — the same two names stand behind every written quote, eighteen years on
- The quote is fixed in writing first, usually from about £80 for a standard call-out, with labour, parts and tidy-up in a single figure
- Scale work matched to whichever supplier feeds the address — Thames Water at ~260 mg/L in Cricklewood and Hendon, Affinity at ~275 mg/L in Finchley and Golders Green, the standing reason boilers fail early here
- Boiler and gas work carried out to the Gas Safety (Installation and Use) Regulations 1998 alongside Building Regulations Part G
- Water fittings specified to WRAS approval under the Water Supply (Water Fittings) Regulations 1999 on every install
- Legacy-pipework experience for the ageing copper and, in the oldest terraces and villas, galvanised or lead supply runs
- Conservation-area awareness across the Mapesbury Estate, the Cricklewood Railway Terraces and, most strictly, Hampstead Garden Suburb, where external work needs the Trust's consent
- Three-borough know-how for Cricklewood, where an address can fall in Barnet, Brent or Camden depending on which side of the A5 it sits
- Interwar-semi familiarity for the Metro-land runs in Finchley and Hendon, a different job again from the Broadway terraces
What We Do
Five Trades, One Number, Both Sides of the Boundary
£120–£500 typicalBoiler & Hot Water Repair
Whether the address draws Thames Water at ~260 mg/L or Affinity at ~275, the hard supply furs a combi or cylinder faster than most of the country ever sees. The boiler & hot water repair engineers we coordinate gauge the scale first, then repair, descale or power-flush rather than gambling on parts.
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£150–£450 typicalLeak Detection & Repair
In a tall Golders Green house or a subdivided Cricklewood villa a slow leak can travel two floors behind solid walls before a stain shows. The leak detection & repair engineers we coordinate pinpoint it with acoustic and thermal kit before anyone opens up plaster or a ceiling.
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24/7 dispatchEmergency Plumbing
A stopcock seized in a Broadway terrace, a burst feeding a Finchley Central flat, or a soil stack backing up in a Hendon semi — the engineers we coordinate go out at any hour. Every emergency plumbing call still has its price fixed in writing before a thing is touched.
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From £80Blocked Drains & Drain Unblocking
The Victorian and Edwardian runs under Cricklewood and Finchley silt, root-block and back up with age. The blocked drains team we coordinate clears them by rodding and hydro-jetting, sending a CCTV camera down first on anything that keeps coming back.
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£3,000–£8,000+Bathroom Installation
From a period Finchley villa with awkward original routing to a large Garden Suburb refit that needs the Trust's sign-off on anything visible, the bathroom installation team we coordinate runs first fix through tiling to final testing, all on one fixed written quote.
View Bathroom Installation →Get your free, fixed-price quote today
Call 07460 035034 or send the form — we call back the same business day.
Service Area
Serving Cricklewood & Surrounding Areas
Frequently Asked Questions
How much does an emergency plumber cost in Cricklewood or Finchley?
A standard emergency call-out across Cricklewood, Finchley, Golders Green and out to Hendon usually lands between £80 and £180, with an on-site rate of roughly £50 to £90 an hour once the fault is known. Nothing extra is bolted on for nights or weekends — the written figure is worked out the same way at three in the morning as at midday, and a genuine emergency goes straight to the top of the board whatever the clock reads. Ring 07460 035034 for a real figure before anyone is booked in.
Which water company supplies my street, and why does it matter?
This patch straddles a genuine supply boundary. Cricklewood (NW2) and Hendon (NW4) are on Thames Water, hard at about 260 to 265 mg/L of calcium carbonate, while Finchley (N2, N3, N12) and Golders Green with Hampstead Garden Suburb (NW11, where our base sits) are on Affinity Water at about 275 mg/L. Both are hard supplies, so scale steadily furs boilers and cylinders on either side, but the supplier changes the meter, the stopcock arrangement and who you contact about the main — worth confirming by postcode before any rising-main or metering work, and the engineers we coordinate check which side of the line an address falls on before quoting. See [boiler & hot water repair](/boiler-repair) for how the scale is dealt with.
Why does my boiler keep furring up or losing efficiency here?
Whichever supplier feeds your street, the water across this patch is hard — Thames Water at roughly 260 to 265 mg/L in Cricklewood and Hendon, Affinity at about 275 mg/L in Finchley and Golders Green — and that scale builds steadily on a combi's heat exchanger and any cylinder or immersion heater feeding off it. Kettling or banging noises, sliding pressure, and a boiler that fires and cuts out in short bursts are classic scale symptoms rather than proof a part has failed. The engineers we coordinate look for that first, then advise either a straight repair, typically £120 to £500, or a power flush at roughly £300 to £700 to clear the system. Left alone, hard water quietly shortens a boiler's working life either side of the boundary.
My house is a converted Victorian villa — what plumbing issues are common?
The oldest stock here — the Victorian villas around Finchley's Church End and the substantial Edwardian houses in Golders Green — was often carved into flats, and Cricklewood's terraces are period stock too. That leaves long, awkward supply runs feeding several dwellings off original pipework, legacy copper — and in the oldest properties galvanised or lead — reaching the end of its life, and shared stacks that need care when one flat's work affects another. The engineers we coordinate inspect the actual routing rather than assuming a full re-pipe is the only answer, since a section replacement is often enough. See [about](/about) for how we work.
What should I do if I smell gas at home?
Get everyone out of the property first without touching any light switches or electrical appliances, then ring the National Gas Emergency Service on 0800 111 999 from outside — that line goes straight to the gas emergency team, not to us. Once they have made the supply safe and cleared you to go back in, call 07460 035034 and the engineers we coordinate can trace and repair the underlying fault, work carried out to the Gas Safety (Installation and Use) Regulations 1998. Never go hunting for a suspected gas leak yourself — the emergency line always comes first.
How quickly can someone reach a burst pipe?
Shut the water off at the stopcock before anything else — it usually sits under the kitchen sink or close to where the main enters the house — then call 07460 035034 so an engineer can be sent out. We are open 24 hours, and a real burst anywhere from Cricklewood Broadway up to Ballards Lane or out to Golders Green Road is treated as the priority job. Every engineer we coordinate carries isolation and temporary-patch kit for a same-visit fix even where the permanent repair needs a follow-up part, and even a hairline split can push out a startling volume of water in a couple of hours, so calling early matters.
Does Hampstead Garden Suburb's conservation status affect plumbing work?
It can, wherever the work is visible from outside. Hampstead Garden Suburb in NW11 is a tightly managed conservation area where the Suburb Trust must approve any change to a property's external appearance, so a boiler flue, a meter housing, an external soil pipe or a visible condensate run can need consent before it goes ahead. Cricklewood's Mapesbury Estate and Cricklewood Railway Terraces carry their own constraints on external alterations too, though internal pipework is rarely caught by this, but the team we coordinate flags where consent applies so a job is not started and then halted part way. See [Golders Green](/golders-green) for more on that area.
What's different about plumbing in the Metro-land semis of Finchley and Hendon?
Finchley and Hendon both filled with bay-fronted interwar semi-detached 'Metro-land' housing once the railways and the Underground reached them, so their stock is unusually consistent — repeatable pipe layouts, ageing early-copper and some galvanised supply runs, and original 1930s bathrooms and kitchens now coming up for renewal across whole streets at once. Finchley draws Affinity Water and Hendon draws Thames, but the hard supply furs their cylinders and combi boilers the same way, and that interwar stock is a genuinely different job from the Broadway's period terraces. See [Finchley](/finchley) for the full picture on that patch.
Cricklewood straddles three boroughs — does that change anything?
It can for anything that needs building control or a works notification. Cricklewood is unusual in straddling three London boroughs — Barnet, Brent and Camden — with the A5 Broadway forming the Barnet/Brent boundary, so which council handles building control depends on which side of the road an address sits. Finchley, Golders Green and Hendon are all wholly within Barnet, which keeps things simpler there, so the team we coordinate confirms the correct borough for a Cricklewood address before any notifiable work. See [Cricklewood](/cricklewood) for more on that area.
When do I actually need a CCTV drain survey?
Most everyday blockages — a sluggish kitchen sink, a toilet that will not clear — come free with rodding or a cable auger, typically £80 to £250 depending on the access. Where the blockage sits deeper in the run or keeps coming back, a CCTV survey lets the engineer see exactly what is behind it — root intrusion, a collapsed length or heavy scale — before anyone lifts a garden or pavement. That survey is priced as its own line rather than quietly folded into the job, and the older Victorian and Edwardian drainage under Cricklewood and Finchley sees this recur more than the newer interwar runs. See [blocked drains & drain unblocking](/blocked-drains) for more.
How much does a bathroom installation cost, and how long does it take?
A full bathroom installation across this patch typically runs from around £3,000 up to £8,000 or more, depending on the fittings specified and whether the existing supply and waste pipework needs rerouting. Most jobs take from several days to around two weeks, as first-fix plumbing, tiling and final testing each happen in sequence. The team we coordinate handles everything from a period Finchley villa with awkward original routing to a large Golders Green refit where anything street-facing needs the Suburb Trust's sign-off, all on one fixed written quote. See [bathroom installation](/bathroom-installation) for what is included.
Do you give a written quote first, and what standards is the work built to?
Yes — every job, from a same-day call-out to a full bathroom, gets a fixed written quote before any work starts, with labour, parts and clearing up in one figure and nothing added on afterwards. Water fittings are specified to WRAS approval under the Water Supply (Water Fittings) Regulations 1999, and any gas or boiler work follows the Gas Safety (Installation and Use) Regulations 1998 alongside Building Regulations Part G. That has been the routine since Ben and Josh started the firm in 2008, reading the same at three in the morning as on a weekday afternoon. Call 07460 035034 for a quote before anyone is booked in.
One Fixed Written Quote, Answered on Either Side of the Water Line
Plumbers we coordinate across Cricklewood, Finchley and Golders Green, Thames or Affinity, day or night. Call 07460 035034.
07460 035034
