Dam construction tenders and contracts
UK public sector, covering 600+ buyer sites
132 dam construction tenders and contracts, 40 this year.
Updated 4 November 2026 · compiled by BidSkim Limited · How we count
- Awarded a month£170k
- Contracts a month1.3
- Won by SMEs65%
- Live now2See them →
Dam construction contracts
Tap a region to see its contracts. Pick as many as you like.
32 contracts across the UK, of any size
Live now
2 dam construction opportunities are open now
- Pre-market13 Oct 2026AMP 8/9 Reservoir Maintenance Term Service ContractPortsmouth Water · South EastEst.£5.8m
- Pre-market18 Sep 2026Anglian Water Fens and Lincolnshire Reservoirs Early Works Partner (EWP)Anglian Water · East of England
- Awarded22 Oct 2026Watergate Lake Reservoir Spillway ReinforcementGateshead Council · North EastWon by Esh Construction Limited£748k
- Awarded14 Sep 2026NE - CDF - Lot 2 - Dronfield Dam Refurbishments ECCEnvironment Agency · North WestWon by BAM Nuttall£1.7m
- Awarded21 Aug 2026Argae'r Pwll Newydd/Uchaf, gwaith amddiffyn rhag tonnau. New/Top Pond Dam, wave protection worksMerthyr Tydfil County Borough Council · WalesWon by McCarthy Contractors (Bridgend) Ltd£148k
- Awarded27 Jul 2026Forge Dam Leaking Sluice Gate (Construction Works)Sheffield City Council · Yorkshire and the HumberWon by Esh Group£106k
- Awarded13 Jul 2026Reservoir Safety Improvement Works / Expression of InterestEryri National Park Authority · WalesWon by William Hughes (Civil Engineering) Ltd£232k
- Awarded6 Jul 2026SW - AOMR Lot 1 - Allermoor Spillway Repairs 2026 - Bridge Civil EngineeringEnvironment Agency · South WestWon by Bridge Civil Engineering Limited£54k
- Awarded24 Jun 2026PLACE917ET Reservoir Act S10 Statutory Works - Reprofiling of Reservoir Dam at Osbornes Pond, Shipley Country ParkDerbyshire County Council · East MidlandsWon by C.T. Construction Limited£837k
- Awarded12 Jun 2026YNE AOMR Lot 1 Asset Recon Lowther B Spillway - C15Environment Agency · North EastWon by Cheetham Hill Construction Limited£119k
- Awarded8 Jun 2026Coate Water Wave Wall & Culvert Repairs, SwindonSwindon Borough Council · South WestWon by Stonbury Limited£168k
- Awarded1 Jun 2026Bentley Priory - Measures in the Interest of SafetyDepartment for Environment, Food and Rural Affairs · East of EnglandWon by CPC Civils Ltd£100k
- Awarded14 May 2026Coney Gut Reservoir MIOS Improvements - ESEEnvironment Agency · South WestWon by Kier Construction
- Awarded30 Mar 2026SW AOMR Lot 1 - Tubbs Bottom Reservoir MIOS ConstructionEnvironment Agency · South WestWon by AmcoGiffen£249k
- Awarded5 Mar 2026Refurbishment of Valves at Raith ReservoirSouth Ayrshire Council · ScotlandWon by A&L Mechanical Installations£106k
- Awarded7 Jan 2026Principal Designer and Principal Contractor for the design and repair of Sherwood Lake dam bankTunbridge Wells Borough Council · South EastWon by Restek£44k
- Awarded18 Dec 2025SE - AOMR - Milford Dam Control PanelEnvironment Agency · South EastWon by Fairfield Control Systems£75k
- Awarded18 Dec 2025Staples Road MIOS Design & Thames Capital Reconditioning Civils PackageDepartment for Environment, Food and Rural Affairs · East of EnglandWon by Jacobs
- Awarded18 Dec 2025EMD Canch Penstock and Spillway -AOMR Lot 2Environment Agency · East MidlandsWon by ECS Engineering Services Ltd£88k
- Awarded20 Oct 2025ABBEYDALE DAM LEAKSSheffield City Council · Yorkshire and the HumberWon by Esh Group£1.3m
- Awarded31 Aug 2025ENQ1186 - Repair of Mill Dam Reservoir EmbankmentDerby City Council · East MidlandsWon by Whitehouse Construction Co. Limited£25k
- Awarded5 Aug 2025Contract Award - Michelham Priory Reservoir - Construction StageEnvironment Agency · South EastWon by VolkerStevin£1.4m
- Awarded20 Jul 2025Sankey Canal DamHalton Borough Council · North WestWon by William Pye£32k
- Awarded15 Jul 2025Replacement of Valves at Raith & Collenan ReservoirsSouth Ayrshire Council · ScotlandWon by A&L Mechanical Installations£54k
- Awarded15 Jul 2025Replacement of Valves at Raith & Collenan ReservoirsSouth Ayrshire Council · ScotlandWon by A&L Mechanical Installations£54k
- Awarded15 Jul 2025EAN - AOMR - Ouse Washes Section 10 Reservoir WorksDumfries and Galloway Council · East of EnglandWon by Jackson Civil Engineering£149k
- Awarded1 Jul 2025Spillway improvements at Watergate Park ReservoirGateshead Council · North EastWon by Arup£62k
- Awarded16 Jun 2025EMD - AOMR Lot 1 - Dakyn Road FSR Desilting and Masonry RepairsEnvironment Agency · East MidlandsWon by AmcoGiffen£237k
- Awarded16 Jun 2025SW AOMR Lot 1 - Westford ReservoirEnvironment Agency · South WestWon by Bridge Civil Engineering Limited£80k
- Awarded24 May 2025COV - Coombe Pool Reservoir WorksCoventry City Council · West MidlandsWon by Land & Water£313k
- Awarded1 Apr 2025YNE AOMR Lot 1 Direct Award Programme - Asset Recon C5Environment Agency · Yorkshire and the HumberWon by Cheetham Hill Construction Limited£166k
- Awarded1 Apr 2025SW- DCIS -Kenwith Dam MIOS 7, 3 & 4 Improvements - Design & Build - CDFEnvironment Agency · South WestWon by Kier Construction£105k
Where to bid
Where dam construction tenders are run
In-Tend2 50%- Jaggaer1 25%
ProContract1 25%
Tenders published in the last year that name the bid portal they run on.
BAM Nuttall won the most dam construction contracts by value
Each dot is one contract, coloured by who bought it.
CouncilsTransport and utilitiesCentral government
| Rank | Contractor | Contracts won, by buyer | Contracts | Value won | Buyers | Share |
|---|---|---|---|---|---|---|
| 1joint | Kier Construction South West · See every contract | 3 | £105k | 2 | ||
| 1joint | A&L Mechanical Installations Scotland · SME · See every contract | 3 | £54k | 1 | ||
| 3joint | Esh Group Yorkshire and the Humber · See every contract | 2 | £1.4m | 1 | ||
| 3joint | AmcoGiffen East Midlands · See every contract | 2 | £487k | 1 | ||
| 3joint | Cheetham Hill Construction Limited North East · SME · See every contract | 2 | £285k | 1 | ||
| 3joint | Bridge Civil Engineering Limited South West · See every contract | 2 | £134k | 1 | ||
| 7joint | BAM Nuttall North West · See every contract | 1 | £1.7m | 1 | ||
| 7joint | VolkerStevin South East · See every contract | 1 | £1.4m | 1 | ||
| 7joint | C.T. Construction Limited East Midlands · SME · See every contract | 1 | £837k | 1 | ||
| 7joint | Esh Construction Limited North East · See every contract | 1 | £748k | 1 |
14 more dam construction contractors ranked. See the full ranking →
Win dam construction contracts? Share your ranking.
Who buys
Councils award 53% of dam construction contracts
Transport and utility bodies buy the bigger jobs, at a median of £143k against £127k. Contracts with a published value in the last 2 years, from the type of buyer to the size of the contract.
5 buyers bought dam construction more than once in the last 2 years
Each dot is a buyer, by how many dam construction contracts it awarded in the last 2 years.
See who they are and when they usually buy →
Few and big, or many and small
Each dot is a buyer: how many dam construction contracts it awarded against what they were worth. The busiest and biggest are named.
CouncilsTransport and utilitiesCentral government
Top buyers by contracts awarded
| Rank | Buyer | Contracts | Value |
|---|---|---|---|
| 1 | Environment Agency | 13 | £4.5m |
| 2 | South Ayrshire Council | 3 | £215k |
| 3 | Sheffield City Council | 2 | £1.4m |
| 4 | Gateshead Council | 2 | £810k |
| 5 | Department for Environment, Food and Rural Affairs | 2 | £100k |
| 6 | Derbyshire County Council | 1 | £837k |
| 7 | Coventry City Council | 1 | £313k |
| 8 | Eryri National Park Authority | 1 | £232k |
| 9 | Swindon Borough Council | 1 | £168k |
| 10 | Dumfries and Galloway Council | 1 | £149k |
74 dam construction contracts awarded since 2021
- 112021
- 82022
- 172023
- 62024
- 182025
- 142026 so far
Prices
Half of dam construction contracts are worth less than £119k
CouncilsTransport and utilitiesCentral government
The 10 biggest dam construction contracts
- Environment AgencyBAM Nuttall · 14 Sep 2026
- Environment AgencyVolkerStevin · 5 Aug 2025
- Sheffield City CouncilEsh Group · 20 Oct 2025
- Derbyshire County CouncilC.T. Construction Limited · 24 Jun 2026
- Gateshead CouncilEsh Construction Limited · 22 Oct 2026
- Coventry City CouncilLand & Water · 24 May 2025
- Environment AgencyAmcoGiffen · 30 Mar 2026
- Environment AgencyAmcoGiffen · 16 Jun 2025
- Eryri National Park AuthorityWilliam Hughes (Civil Engineering) Ltd · 13 Jul 2026
- Environment AgencyCarnell Support Services · 5 Feb 2025
Renewing contracts
No dam construction contracts come up for renewal in the next 12 months
The 4 dam construction contracts ending are one-off work, which is not re-let as it was.
Where and when
The South West awards the most dam construction contracts. June and July are the busiest months.
Contracts by region and by month awarded. Click a region to filter the page.
FewerMore contracts
The regions as a table
| Region | Open now | Contracts | Value | Typical contract | Won the most | Bought the most | Renewing in 12 months |
|---|---|---|---|---|---|---|---|
| South West | 0 | 7 | £656k | £105k | Kier Construction (3) | Environment Agency (5) | 0 |
| East Midlands | 0 | 4 | £1.2m | £163k | – | Environment Agency (2) | 0 |
| South East | 1 | 4 | £1.7m | £123k | – | Environment Agency (3) | 0 |
| North East | 0 | 3 | £929k | £119k | – | Gateshead Council (2) | 0 |
| Yorkshire and the Humber | 0 | 3 | £1.6m | £166k | Esh Group (2) | Sheffield City Council (2) | 0 |
| East of England | 1 | 3 | £249k | – | – | Department for Environment, Food and Rural Affairs (2) | 0 |
| Scotland | 0 | 3 | £215k | £54k | A&L Mechanical Installations (3) | South Ayrshire Council (3) | 0 |
| North West | 0 | 2 | £1.7m | – | – | – | 0 |
| Wales | 0 | 2 | £380k | – | – | – | 0 |
| West Midlands | 0 | 1 | £313k | – | – | – | 0 |
| London | 0 | 0 | Not published | – | – | – | 0 |
| Northern Ireland | 0 | 0 | Not published | – | – | – | 0 |
Often bought with dam construction
Related services
Key findings
- £170k a month
of dam construction contracts awarded.
Typical contract £119k x 1.4 contracts a month, last 12 months. - 1.3
dam construction contracts are awarded in a typical month.
32 contracts in the last 2 years. - 65%
of dam construction contracts are won by SMEs.
As recorded by the buyer, on 17 award notices.
How many dam construction tenders and contracts are there?
| Since November 2021 | Last 12 months | |
|---|---|---|
| Notices published | 132 | 40 |
| Contracts awarded | 64 | 17 |
4 dam construction contracts and frameworks end in the next 12 months. In the last two years, 15 buyers awarded dam construction contracts to 24 suppliers.
Source: Find a Tender, Contracts Finder, Public Contracts Scotland, Sell2Wales and eTendersNI, to 4 November 2026. By Seamus White. How we count
Questions
How many dam construction contracts does the UK public sector award?
32 in the 2 years to 4 November 2026, from 15 public buyers.
How much is a typical public sector dam construction contract worth?
The median is £119k, and 79% are worth less than £250k.
Which buyers award the most dam construction contracts?
Councils award 53% of them.
Which part of the UK awards the most dam construction contracts?
The South West: 7 of 32 in the 2 years to 4 November 2026, then the East Midlands (4) and the South East (4).
What is included
Construction, safety improvement and repair of reservoirs and dams, such as spillways, embankments, draw-off works and dam gates, including early construction works for new reservoirs.
- Reservoir spillway replacement and embankment works
- Dam gate replacement with operating mechanisms
- Early works and enabling construction for new water supply reservoirs
What is not included
- Ditches, culverts and watercourses around reservoirs (see Watercourse, culvert and ditch works)
- River flood walls and embankments (see Flood defence and flood alleviation works)
- Reservoir perimeter fencing (see Fencing)
- Reservoir engineering, inspection and drawdown design (another industry: consulting-accountancy)