Leak detection in Manchester and Salford

Leak detection in Manchester and Salford, from Red Rose Leak Detection, locates hidden leaks on heating systems, on the water pipes in homes, flats and businesses, and on the underground supply pipe, in the districts listed below.

A water pipe rising through three floors of flatsA pipe rises through three floors of a block of flats with a branch into each, and a blue point marks a leak on the branch into the middle flat.
Diagram: a pipe rising through a block of flats, with the leak marked on the branch into one flat.

Which Manchester and Salford postcode districts are covered?

Red Rose Leak Detection covers 42 M postcode districts in Manchester and Salford, listed below by post town.

Manchester
M1, M2, M4, M8, M9, M11, M12, M13, M14, M15, M16, M17, M18, M19, M20, M21, M22, M23, M24, M25, M26, M27, M28, M29, M30, M31, M32, M33, M34, M35, M38, M40, M41, M43, M44, M45, M46
Manchester, Salford
M3
Salford
M5, M6, M7, M50

Districts beyond the M area, Stockport's and Oldham's among them, are listed with the rest of the region on the page of coverage by town and postcode district.

Contains OS data © Crown copyright and database right 2026. Contains Royal Mail data © Royal Mail copyright and database right 2026. Source: Office for National Statistics licensed under the Open Government Licence v.3.0.

What kind of homes does leak detection in Manchester deal with?

Manchester's homes are flats more often than homes across England are: in the 2021 Census, 34.6% of Manchester households lived in a flat, against 22.2% across England, and only 5.4% lived in a detached house, against 22.9% (Census 2021, TS044).

Households in a flat
In the 2021 Census, 34.6% of Manchester households lived in a flat, against 22.2% across England, and 28.1% in a purpose-built block.Source: Office for National Statistics, Census 2021 TS044 Accommodation type
Homes built before 1945
42.1% of the homes in the Manchester council area were built before 1945, against 34.6% across England (Council Tax stock of properties, 31 March 2026).Source: Valuation Office Agency, Council Tax: stock of properties 2026
Homes built in 2009 or later
16.6% of the homes in the Manchester council area have a build year of 2009 or later, against 12.6% across England (Council Tax stock of properties, 31 March 2026).Source: Valuation Office Agency, Council Tax: stock of properties 2026

Contains public sector information licensed under the Open Government Licence v3.0.

A flat shares its floor with the ceiling of the home below, so water escaping in one Manchester flat can reach the neighbours before anyone sees it. For a tenant in England, Citizens Advice says the landlord usually has to repair damage from a leak in a neighbouring flat once they know about it, and the guide to who pays when a leak damages the flat below takes the question further.

The newer homes have a meter by rule: United Utilities' charges scheme lists premises built on or after 1 April 1990 among those that must have one. On a metered supply, a bill that has risen for no clear reason is one of the first signs of a hidden leak.

Which sources feed Manchester's water supply?

Manchester's water supply comes from the Lake District and from local reservoirs: United Utilities' water quality checker names the Lake District alone for central Manchester, the Lake District and local reservoirs for Levenshulme, Didsbury, Chorlton and the Gorton zone, and local reservoirs alone for the Newton Heath zone.

The Lake District water arrives by aqueduct. United Utilities records that the Thirlmere Aqueduct delivered its first supplies in 1894, adding to Manchester's older local supplies from the Longdendale valley, and that the Haweswater Aqueduct, the city's second Lake District source, was completed in 1955. Both, in United Utilities' words, “terminate at Manchester where they supply large storage reservoirs at Woodgate Hill and Lostock”.

Out in the streets, United Utilities is renewing ageing mains “to reduce leaks and bursts”. In October and November 2025 it announced more than 1.7km of new main off Hyde Road in Gorton, almost 2.5km around Haverfield Road in Blackley and more than 1km between Fog Lane and Wilmslow Road in Didsbury.

Those mains belong to the company, and so does the network up to the property boundary. From the boundary inwards the supply pipe is the owner's, and a leak on that buried length is found by underground water leak detection.

Which leaks are traced in Manchester properties?

Manchester properties have four kinds of hidden leak traced in them: heating circuits that lose pressure, water pipes leaking inside walls, floors and ceilings, the buried supply pipe, and the escape of water behind a home insurance claim.

  • In a flat or a house with a boiler gauge that keeps falling, central heating leak detection follows the water the sealed circuit is losing to the valve, joint or pipe where it escapes.
  • Pipes in a block of flats run through floors shared with the flat below, where pipe leak detection narrows a leak to one point before a floorboard comes up.
  • The supply pipe from the boundary to the building is the owner's to look after, and a leak on it is pinned down with listening, gas and pressure tests.
  • Where a home insurer asks for the leak to be found before the claim can proceed, trace and access cover may pay for that search, which Admiral describes as tracking down the source of a hidden leak so that it can be repaired.

When is a Manchester leak United Utilities' job?

A Manchester leak is United Utilities' job when it is on the water main, on the communication pipe between the main and the property boundary, or at the external stop tap in the footpath; the supply pipe from the boundary into the home, and every pipe inside, are the owner's.

Who looks after which pipe where United Utilities supplies the waterUnited Utilities' part is the main in the road, the communication pipe up to the property boundary and the external stop tap in the footpath; the owner's part starts at the boundary, with the supply pipe into the home, the internal stop tap and all the pipework indoors.

United Utilities: the main in the road, the communication pipe to the boundary, the external stop tap in the footpath

The owner: the supply pipe from the boundary, the internal stop tap and every pipe indoors

Diagram: who looks after which pipe where United Utilities supplies the water.

Leaks in the street, on the main or at the external stop tap go to United Utilities through its Report a problem page. A tenant who finds a leak on the supply pipe tells the landlord, since United Utilities says: “If you live in a rented property, it is your landlord's responsibility to repair the leak.”

Salford and the rest of Greater Manchester sit inside the same United Utilities patch, and the overview of leak detection across the North West shows how each kind of leak is located across the region.