We clear blockages, survey drains with CCTV, jet, repair and reline, across the whole of the Beane valley. Our emergency line runs 24 hours a day, 365 days a year, and we are based in Stevenage, a short run down the A602 corridor to the village. Vantage Plumbing and Heating, Company No. 13248357.
Drainage is the service where local ground conditions matter most, and this village has a distinctive combination of them.
First, the geology. The parish sits on chalk, as the presence of Hill End Chalk Pit on its edge makes obvious. Chalk is permeable, and that is good news for surface water: a properly built and correctly sized soakaway generally works well here, which is not true in the clay parts of Hertfordshire where soakaways silt up and back up within a few winters. It does not mean any hole in the ground filled with rubble will do the job. Soakaways still need to be sized for the roof or paved area draining to them, sited a sensible distance from foundations, and fed by a system that keeps silt out of them.
Second, the river. The village lies in the valley of the River Beane, a chalk stream, and the ground level falls towards it. Everything about drainage on a valley floor is about where water goes when the ground is already saturated. In a long wet winter the water table in a chalk valley rises, and where an old drain run has cracked joints or a broken section, groundwater finds its way in. That is called infiltration, and its signature is a foul drain that runs sluggishly for weeks at a time in winter and behaves perfectly in summer. It is very often misdiagnosed as a blockage and rodded repeatedly by people who never find anything.
Third, the clean water and the foul water are handled by two different companies, which is worth knowing before you spend an afternoon on the phone. Affinity Water brings the water in. The sewerage undertaker is a separate business, and which one it is here we deal with in the next section, because the village sits in a part of Hertfordshire where the answer is not as obvious as it looks.
Precision saves money here, so two things in order: the line, then the company.
The line was drawn in October 2011, when sewers and lateral drains serving more than one property, along with the sections running beyond a property boundary, passed to the sewerage undertakers. A blockage in that part of the network sits in the public sewer, and resolving it is the undertaker’s responsibility rather than yours. What stayed with you is everything inside your own boundary serving only your house: the gullies, the inspection chambers, the run out to the boundary, and any private soakaway or septic arrangement, none of which transferred anywhere.
The company is where we will not overstate what we know. Watton at Stone sits five miles from Stevenage in a boundary strip between the operating areas of two sewerage undertakers, Anglian Water and Thames Water, and we have not seen a published line that settles which side this village falls on. Thames Water is the most likely undertaker for the village, on a regional wastewater arrangement rather than anything published for this address, so treat it as likely rather than settled and read the wastewater line on your own water bill, which names your undertaker outright.
Which side of the line your problem sits on we will tell you before we start, even when the answer means the work is not ours. A survey settles it, and the footage settles any argument that follows.
The High Street and the nineteenth century core. The historic centre runs from the former Waggon and Horses down to the War Memorial, and the buildings are largely nineteenth century in character with earlier survivals among them. Drainage under buildings of that age is very often original salt glazed clay, laid in short lengths with mortar joints. Clay pipe is perfectly good material and plenty of it is still doing its job, but it fails in three ways: joints open as the ground moves, sections crack under later loading such as a driveway that did not exist when the drain was laid, and roots find the open joints. Rodding a cracked clay drain clears it for a fortnight. A survey tells you whether you are buying a repair or buying the same visit again next month.
The church end and Church Walk. The rural half of the conservation area sits around the Parish Church of St Andrew and St Mary, connected to the High Street by the pedestrian route of Church Walk. Access is the practical issue. Where a jetting unit cannot get close to the property, we work off extended hose reels, and we plan that at the point of booking rather than turning up and discovering it. Excavation near listed structures, and there are 50 listed buildings in the parish, needs care and sometimes needs consent, which is a good reason to favour a no dig repair where one is feasible.
Beaneside and Rivershill. Estate housing on the lower ground. We have not established when either was built, so we do not assume what is under them until the camera says. Where the drainage is plastic and laid to correct falls, blockages are about what went into the pipe rather than the pipe failing. Pitch fibre, if we find it, is the exception worth knowing about, because it deforms into an oval over decades and starts catching debris. On the lower lying plots we also pay attention to how surface water leaves the garden in heavy rain, and whether a soakaway has silted up.
School Lane and the later twentieth century housing. Longer runs to the boundary, often crossing under drives and parking areas added later. Vehicle loading over a shallow drain run is a common cause of cracking, and it is worth knowing where your run goes before you have a new drive laid over it.
The parkland edge and Woodhall Park. Mature trees, long private runs and, in places, drainage arrangements that predate any record you can obtain. Root ingress into an old joint is the classic problem, and roots find the water rather than the pipe, so a weeping joint attracts them and then the mass of root fills the bore. Cutting the roots out is the start of the job, not the end. Unless the defect is sealed, they come back within a season or two.
Blockage clearing. Rodding, plunging and jetting depending on what is in the way. Most domestic blockages are fat and grease, wet wipes, sanitary products, or roots. Wipes labelled flushable are not flushable, and in a village with long private runs to the boundary they are one of the most common reasons a drain gives up.
High pressure water jetting. Cuts through fat build up and root mass and scours the pipe wall back to clean bore. It is also the right way to clean a run before a survey, because you cannot properly assess a pipe you cannot see.
CCTV drain surveys. Camera up the run, recorded footage, a written report with the defects located and measured back from a chamber. We use these for recurring blockages, for pre purchase surveys, for insurance claims and for establishing responsibility. If you are buying a house in the village with mature trees and an old drainage layout, a survey before exchange is cheap insurance.
Repairs and relining. Where a section has collapsed or cracked, we either excavate and replace or, where the run is suitable, install a cured in place liner that seals the existing pipe from the inside without digging. In the conservation area, under a mature tree or beneath a finished drive, no dig is very often the better answer for cost as well as disruption.
Gullies, chambers and soakaways. Cleaning and repairing gullies, rebuilding damaged chambers and benching, replacing broken covers, and building or renewing soakaways sized for the area they serve.
Surface water problems. Patios and driveways laid without thought about where the water goes are a recurring cause of ponding and of water finding its way to a wall. On chalk there is usually a workable answer, but it needs designing rather than guessing.
A straightforward domestic blockage clearance is priced as a callout with a clear rate given to you before we set off. A CCTV survey with a written report is a fixed price agreed in advance. Repairs, relining and excavation are quoted individually after the survey, because nobody can honestly price a repair to a pipe they have not seen.
What we will not do is clear a blockage, decline to look at why it happened, and leave you to call somebody out again in six weeks. If a run keeps blocking, there is a reason, and the camera will find it.
A slow waste or a smell in a cloakroom can be a blocked run under the garden or a trap, vent or stack fault indoors, and the two are easy to confuse. We do the plumbing as well as the drainage, so one visit gets to the bottom of it either way.
When rods will not shift it, drain unblocking in Watton at Stone moves on to high pressure jetting. A jet scours the full bore of the pipe rather than punching a hole through the middle of the blockage, which is why a jetted drain usually stays clear far longer where fat and scale have built up over years.
The honest limit of jetting is that it clears, it does not repair. If a drain blocks again within a few weeks of being jetted, something inside the pipe is holding material back. The next step then is a camera, not a second jet. We would rather survey it once properly than jet the same length of pipe three times.
Stapleford, Bramfield, Datchworth, Waterford, Hertingfordbury, Letty Green, Cole Green, Hertford, Ware, Stevenage and the outlying properties along the Beane, with the wider patch running through Hertfordshire, Bedfordshire and Cambridgeshire.
Nearby: Drainage services in Hertford · Drainage services in Ware · Drainage services in Datchworth · Drainage services in Walkern
For taps, cylinders, stopcocks and the rest of the day to day work, see our Watton at Stone plumbing page.
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Because something is wrong with the pipe rather than with what you are putting down it. In the older parts of the village that is usually an open joint or a cracked section in clay pipework, frequently with roots in it. A CCTV survey will show you exactly what and where.
If it serves only your property and sits within your boundary, it is yours, soakaway included. Sewers and laterals serving more than one property, and sections beyond the boundary, transferred to the sewerage undertaker in October 2011, and clearing the public sewer is that undertaker’s responsibility. For this village the most likely undertaker is Thames Water, though the village sits near a boundary between companies, so check the wastewater line on your bill rather than take it as read. We identify which side you are on before any work starts.
That pattern usually means groundwater getting into a defective drain rather than a blockage. In a chalk valley like the Beane the water table rises after a wet spell, and it finds cracked joints. Rodding will not fix it. Sealing the defect will.
Generally yes, because the ground is chalk and it is permeable, which is a real advantage over the clay areas. They still need to be correctly sized, correctly sited away from foundations, and kept free of silt.
Often, yes. Cured in place lining seals a damaged run from the inside. It is particularly useful under drives, under mature trees and anywhere excavation near a historic building would be a problem.
Yes, with recorded footage and a written report. On an older property with mature trees or an unknown drainage layout it is money well spent before exchange.
Call 01462 506374 for drainage in Watton-at-Stone. Emergency clearance around the clock, and a camera survey afterwards so it does not happen again.
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