Closes in 10 days
2026TCCH-16 - Water Mains
Tai Calon Community Housing Ltd · Wales
Water mains installation tenders and contracts
UK public sector, covering 600+ buyer sites
68 contracts awarded in the 24 months to 12 October 2026
Get water mains installation tenders every morningStart by seeing every water mains installation contract we'd have matched you with last year. No card needed.
Updated 12 October 2026 · compiled by BidSkim Limited · How we count
Water mains installation contracts ,
68 contracts across the UK, of any size
Live now
6 water mains installation opportunities are live now
2 from councils, 2 from housing associations, 2 from other public bodies. The 2 closing soonest are shown in full.
Closes in 3 weeks
Drainage, Jetting, External Leak Detection and Repair and External Fresh Water Maintenance Services
Broadacres Housing Association · Yorkshire and the Humber
Water mains installation opportunity from a public bodyScotland£1m or morePublished 4 September 2026Water mains installation opportunity from a public bodyUK-wide or not stated£1m or morePublished 4 August 2026Water mains installation opportunity from a councilEast of EnglandUnder £100kPublished 29 July 2026Water mains installation opportunity from a councilEast of EnglandUnder £100kPublished 29 July 2026
Who wins · 24 months to October 2026
Thames Water won the most water mains installation contracts
Each dot is one contract, coloured by who bought it.
CouncilsHousing associationsNHS and healthSchools and collegesOther public bodies
| Rank | Contractor | Contracts won, by buyer | Contracts | Value won | Buyers | Share |
|---|---|---|---|---|---|---|
| 1 | Thames Water London · See every contract | 6 | £7m | 3 | ||
| 2joint | Northumbrian Water North East · See every contract | 3 | £16.4m | 3 | ||
| 2joint | Rainton Construction North East · See every contract | 3 | £12.7m | 2 | ||
| 2joint | South West Water West Midlands · See every contract | 3 | £456k | 3 | ||
| 2joint | OnSite South West · See every contract | 3 | £345k | 3 | ||
| 6joint | Severn Trent Water Limited North East · See every contract | 2 | £14.4m | 2 | ||
| 6joint | Esh Group North East · See every contract | 2 | £4.5m | 2 | ||
| 6joint | YORKSHIRE WATER SERVICES LIMITED North East · See every contract | 2 | £1.4m | 2 | ||
| 6joint | H&V Fusion & Drilling Limited South West · SME · See every contract | 2 | £67k | 1 | ||
| 6joint | McNair Utilities Ltd Yorkshire and the Humber · SME · See every contract | 2 | £59k | 2 |
54 more water mains installation contractors ranked. See the full ranking →
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Who buys
Councils award 43% of water mains installation contracts
Contracts with a published value in the last 24 months, from the type of buyer to the size of the contract.
13 buyers bought water mains installation more than once in the last 24 months
Each dot is a buyer, by how many water mains installation contracts it awarded in the last 24 months.
See who they are and when they usually buy →
Few and big, or many and small
Each dot is a buyer: how many water mains installation contracts it awarded against what they were worth. The busiest and biggest are named.
CouncilsHousing associationsNHS and healthSchools and collegesOther public bodies
Top buyers by contracts awarded
| Rank | Buyer | Contracts | Value |
|---|---|---|---|
| 1 | Highways England | 4 | £14.5m |
| 2 | Tees Valley Combined Authority | 3 | £4.6m |
| 3 | London Borough of Enfield | 3 | £586k |
| 4 | NHS Property Services Limited | 3 | £420k |
| 5 | NI Water and its subsidiaries | 2 | £320m |
| 6 | South Tees Development Corporation | 2 | £12.7m |
| 7 | London Borough of Bromley | 2 | £4.5m |
| 8 | Homes England | 2 | £2.7m |
| 9 | Cornwall Council | 2 | £442k |
| 10 | Gateshead Council | 2 | £149k |
Prices
Half of water mains installation contracts are worth less than £121k
Every contract with a published value, on a log scale, coloured by who bought it.
CouncilsHousing associationsNHS and healthSchools and collegesOther public bodies
The 10 biggest contracts hold 98% of the money
Coloured by who bought it.
- NI Water and its subsidiariesWinner not published · 15 Jan 2025
- AWEMitie · 1 Feb 2026
- Transport for LondonNorthumbrian Water · 7 Nov 2025
- Highways EnglandSevern Trent Water Limited · 16 Dec 2025
- South Tees Development CorporationRainton Construction · 24 Mar 2025
- London Borough of BromleyThames Water · 24 Mar 2026
- Tees Valley Combined AuthorityRainton Construction, Esh Group, AE Yates Ltd · 4 Mar 2026
- Ministry of JusticeGalliford Try · 20 Mar 2025
- Redditch Borough CouncilKeltek Ltd · 4 Jun 2026
- Environment AgencyThames Water · 31 Jul 2026
Where and when
London awards the most water mains installation contracts
Contracts by region and by month awarded. Click a region to filter the page.
FewerMore contracts
See the regions as a table
| Region | Contracts | Value |
|---|---|---|
| London | 11 | £26.6m |
| North East | 10 | £8.4m |
| South West | 9 | £1.4m |
| North West | 7 | £465k |
| West Midlands | 6 | £16.8m |
| South East | 6 | £121m |
| Yorkshire and the Humber | 4 | £112k |
| East Midlands | 3 | £821k |
| East of England | 3 | £881k |
| Scotland | 1 | Not published |
| Northern Ireland | 1 | £320m |
| Wales | 0 | Not published |
Often bought with water mains installation
Related services
Deadlines
Half of water mains installation tenders close within 28 days of being published
Each dot is a water mains installation tender published across the UK in the last 24 months, by how many days it was open. 70% closed within a month. Spot one a week late and 25% of the time to respond has gone.
Hear about new water mains installation tenders the moment they're published →
Key findings
- 28 days
is how long the typical water mains installation tender is open, from publication to deadline.
Median of 33 UK water mains installation tenders published in the last 24 months. - 1
new water mains installation tenders are published across the UK in a typical month.
34 in the last 24 months. - 98%
of the money is in the 10 biggest water mains installation contracts.
Of 60 contracts with a published value. - 37%
of water mains installation contracts are won by SMEs.
As recorded by the buyer, on 57 award notices.
Questions
How many water mains installation contracts does the UK public sector award?
68 in the 24 months to 12 October 2026, from 50 public buyers.
How long are water mains installation tenders open for?
The median water mains installation tender is open for 28 days from publication to deadline.
How much is a typical public sector water mains installation contract worth?
The median is £121k, and 63% are worth less than £250k.
Who wins the most public sector water mains installation contracts?
Thames Water won the most (6).
Which buyers award the most water mains installation contracts?
Councils award 43% of them.
What is included
Laying, connection, renewal and maintenance of water mains, supply connections, sewers and drainage infrastructure for water utilities and large sites.
- Potable water supply connections
- Water and drainage infrastructure works for water utilities
- Leakage detection on water distribution networks, including acoustic and correlator surveys, tracer gas and supplementary leakage teams
- Leak location on customer supply pipes
What is not included
- Estate drains (con.civils.estate-drainage)
- Pumping stations (con.civils.pumping-stations)
- Water utility treatment works and MEICA (con.civils.water-wastewater-treatment)
- Tankering (another industry: waste-environment)