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The most terraced borough in London, and it shows in every call

Of the 73,899 households counted here at the 2021 Census, 41.6% are terraced. That is the highest terraced share of any of the thirty-three London local authorities, against a London figure of 21.3% and an England figure of 23.0%. Another 22.1% are semi-detached and 27.7% are in a purpose-built block of flats or tenement. Only 2.1% are part of a converted or shared house, the fourth lowest share in London, and 0.3% are part of another converted building, the lowest in London.

That is an unusually uniform housing stock, and uniformity is useful. Streets of the same age were built to the same specification, plumbed the same way, and they fail the same way at roughly the same time. Cold feeds run in the same place. Waste stacks sit in the same corner. The gully and the back inspection chamber are where they were on the last four houses. An engineer who has worked one Becontree street has a working map of the next twenty.

It also means the failures are structural rather than individual. When a run of interwar terraces reaches the point where the original supply pipework starts giving way, it does not fail in one house. It fails across a street over a few winters. The same is true of clay drainage under mature street trees: root ingress and displaced joints show up in clusters, which is exactly why we put a camera down before anyone starts digging or paying.

Tenure follows the same pattern. 31.5% of households here rent socially, seventh highest in London, and 24.5% rent directly from the council, third highest in London behind Southwark and Islington. 42.4% own, and only 15.1% own outright, which is twenty-seventh of thirty-three. This is a young borough with a large council landlord, so the boundary question of what belongs to you and what belongs to the estate team gets asked on almost every visit.

You are not on Thames Water here

The Drinking Water Inspectorate's area of supply for Thames Water Utilities Ltd lists thirty-odd local authorities including Barnet, Hounslow, Kingston upon Thames and Redbridge. Barking and Dagenham is not among them. Essex & Suffolk Water's own published area of supply document states that its Essex area, with a population of 1.5 million, 'is part rural and part urban includes Chelmsford, Southend and the London Boroughs of Barking and Dagenham, and Havering and Redbridge.'

That is not a trivia point. It decides who you call when the leak is on the company's side of the boundary, whose emergency number is the right one at 3am, and whose water quality report describes what is actually coming out of your tap. Plenty of firms working east London tell customers to ring Thames Water by reflex. In this borough that is the wrong number for a supply-side problem.

The hardness is published by zone. Essex & Suffolk Water's water quality report for the Z610 Dagenham supply zone, averaged over January to December 2025, gives total hardness of 287.90 mg/l calcium carbonate as the average, 298.26 maximum and 277.20 minimum, sourced from a ground and surface water mix, with the report stating plainly that 'The water in your area is hard.' On Thames Water's own published scale that sits at the very top of the hard band and just short of very hard.

So scale is a real actor here, but not the extreme case it is in the hardest parts of north west London. What it does mean is that immersion elements, plate exchangers, shower cartridges and thermostatic mixing valves in this borough have a predictable service life, and that treating a hot water fault as an electrical fault before checking the element is the commonest way to waste a visit. Note that the company's own report is honest about blending: hardness in a blended zone is given as a range because the source mix changes, so your kettle in July and your kettle in February may genuinely differ.

The biggest households in London, on the smallest fittings

9.7% of households in Barking and Dagenham contain five people. That is the highest share of any London borough, against 5.9% across London and 4.5% across England. A further 4.2% contain six people, second highest in London, and 1.8% contain seven, third highest. Only 23.7% are single-person households, thirtieth of thirty-three.

Overcrowding follows. 14.4% of households here are at an occupancy rating of -1 on the bedroom standard, second highest in London behind Newham, and 3.4% are at -2 or less, fourth highest. London figures are 8.9% and 2.2%.

Those numbers describe a hot water problem more than a heating problem. A three-bedroom interwar terrace was plumbed for a household of three or four using one bathroom in sequence. Put six or seven people through the same 120 litre cylinder or the same combi and you get cold showers at 7am, a boiler cycling constantly, a pump that never rests and an immersion element working far beyond its assumed duty. The fault that eventually presents is a failed component, but the cause is a system sized for a different house.

We do two things about it. On the emergency visit we fix what failed. Then, before we leave, we tell you plainly whether the system can serve the number of people actually living there, because replacing the same undersized part every eighteen months is not a repair. Where the answer is that it cannot, you get the option in writing rather than a sales conversation on the doorstep.

Three licensing schemes now cover almost every private letting

This borough moved early and moved wide. Barking and Dagenham's own designation notice states that the Council, exercising its powers under section 56 of the Housing Act 2004, designates the entire area of its district for additional HMO licensing. The designation is cited as The London Borough of Barking and Dagenham Designation of an Area for Additional Licensing of Houses in Multiple Occupation 2025, was made in October 2024, came into force in January 2025 and ceases in January 2030 unless revoked. The council's own guidance dates the launch to 9 January 2025, following Cabinet approval on 23 July 2024. It applies to all section 254 HMOs occupied by three or more persons comprising two or more households.

Selective licensing sits alongside it and is broader still. The council's notice under section 80 of the Act designates three areas, was approved by the Assembly of the Council on 18 September 2024, made by the Assembly on 6 January 2025, comes into force on 6 April 2025 and ceases to have effect on 5 April 2030. Designation Area 1 covers Alibon, Barking Riverside, Beam, Becontree, Chadwell Heath, Eastbury, Goresbrook, Heath, Longbridge, Mayesbrook, Parsloes, Thames View, Valence, Village and Whalebone. Designation Area 2 covers Abbey, Gascoigne and Northbury. Designation Area 3 covers Eastbrook and Rush Green.

The legal route is worth noting because it is new. The notice records that the designation falls within the general approval given by the Secretary of State, namely The Housing Act 2004: Licensing of Houses in Multiple Occupation and Selective Licensing of Other Residential Accommodation (England) General Approval 2024, which came into effect on 23 December 2024. Before that, a council needed the Secretary of State's authorisation for any scheme covering more than 20% of its area. This borough used the new freedom immediately.

Both notices state that failure to apply is an offence punishable on conviction by an unlimited fine, or alternatively a financial penalty not exceeding £30,000, with rent repayment orders of up to 12 months' rent and a bar on serving a section 21 notice while the property is unlicensed. £30,000 is the figure in the council's own notices. The ceiling in section 249A(4) of the Housing Act 2004 now reads £40,000. We attribute both rather than picking one.

For a landlord that turns a plumbing visit into a compliance event. The council's own application list requires a current Gas Safety Certificate and an Electrical Installation Condition Report among the uploads. We leave the certificate, a dated record of the fault and the fix, and a note of anything left outstanding, because that is the paperwork the licensing team actually asks for.