CPV subcategory
45259100: Wastewater-plant repair and maintenance work
5 UK public contracts under 45259100 end in the next 18 months. Get the new tenders filed under it every weekday morning.
- 61
- Contracts since 2023
- 16
- Buyers
- 5
- Ending in 18 months
Hatched quarters fall only partly inside the next 18 months. Busiest whole quarter: Q1 2028.
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5 contracts under 45259100 ending in the next 18 months
The 5 ending soonest, with the supplier that holds each now. End dates come from the original award notices, so each one is a re-tender with a date on it.
| Contract | Buyer | Held by | Ends |
|---|---|---|---|
| Separators and sewage pumps 2026 | The Police, Fire and Crime Commissioner for Essex | Pinnacle Housing Ltd | Dec 2026in 7 weeks |
| Sewage treatment plants routine service and maintenance services | ACIS GROUP LIMITED | Bates Environmental Ltd | Aug 2027in 10 months |
| Provision of Borehole Maintenance BHC Nairobi | Foreign Commonwealth and Development Office | Wotech Kenya Limited | Feb 2028in 1 year 4 months |
| GB-Bristol: Service of Sewage Treatment Plant at Bedgebury Visitor Centre | Forestry Commission | Cleansing Service Group Limited | Mar 2028in 1 year 5 months |
| London Campus Planned Preventative Maintenance Contract | University of Staffordshire | HR FACILITIES LIMITED TRADING AS SMART MANAGED SOLUTIONS | Mar 2028in 1 year 5 months |
What 45259100 covers
CPV code 45259100 is "Wastewater-plant repair and maintenance work", a subcategory in the Common Procurement Vocabulary used to classify UK public sector contracts. It, or a more specific code beneath it, was used on 61 UK public contracts since 2023, awarded by 16 buyers, most often NORTHUMBRIAN WATER GROUP LIMITED and Southern Water Services Limited. The typical contract was worth about £164k.
One of the 9,454 official CPV codes. Not sure it is the right one? Describe your work and the finder suggests the codes that match.
UK public contracts since 2023
How buyers use 45259100
- Contracts
- 61
- Buyers
- 16
- Typical value
- £164k
- Ending in 18 months
- 5
By year of award: 2023 5 · 2024 46 · 2025 3 · 2026 7. Figures as of 6 November 2026. Typical value is the median of single-supplier contracts with a published value (20).
Buyers using this code most
Suppliers winning most often
- Wotech Kenya Limited4
- ESH Construction Limited3
- Galliford Try Construction Limited3
- Seymour Civil Engineering Contractors Limited2
- Gowland and Dawson Limited2
- Stonbury Limited2
- Lanes Group PLC2
- R.A.Dalton Ltd1
Recent contracts under 45259100
| Contract | Buyer | Value | Awarded |
|---|---|---|---|
| Sewage treatment plants routine service and maintenance services | ACIS GROUP LIMITED | £111k | Jul 20263 months ago |
| London Campus Planned Preventative Maintenance Contract | University of Staffordshire | £750k | Mar 20268 months ago |
| Separators and sewage pumps 2026 | The Police, Fire and Crime Commissioner for Essex | £28k | Jan 202610 months ago |
| Operations and Maintenance of Mine Water Treatment Schemes and Legacy Assets | MINING REMEDIATION AUTHORITY | £203m | Dec 202511 months ago |
| HNL - AOMR Lot 3 - Routine Maintenance Term Service Contract 24-25 | Defra group Commercial | £3k | Aug 20242 years 3 months ago |
| Guttering Maintenance Works at Lawress Hall | University of Lincoln | £75k | Jan 20242 years 9 months ago |
| Waste Water Treatment Plant Maintenance | Forestry and Land Scotland | £130k | Aug 20233 years 3 months ago |
| Provision of Borehole Maintenance BHC Nairobi | Foreign Commonwealth and Development Office | £75k | Apr 20233 years 7 months ago |
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Where it sits
Codes above 45259100
- 45000000Construction work
- 45200000Works for complete or part construction and civil engineering work
- 45250000Construction works for plants, mining and manufacturing and for buildings relating to the oil and gas industry
- 45259000Repair and maintenance of plant
- 45259100Wastewater-plant repair and maintenance work
See the whole market in construction works contracts, with buyers, suppliers and contracts ending soon.
More specific
Codes beneath 45259100
None. 45259100 is as specific as the vocabulary goes for wastewater-plant repair and maintenance work.
Questions
About CPV code 45259100
What is CPV code 45259100?
CPV code 45259100 is "Wastewater-plant repair and maintenance work", a subcategory in the Common Procurement Vocabulary used to classify UK public sector contracts. It, or a more specific code beneath it, was used on 61 UK public contracts since 2023, awarded by 16 buyers, most often NORTHUMBRIAN WATER GROUP LIMITED and Southern Water Services Limited. The typical contract was worth about £164k.
Which codes sit above and below 45259100?
45259100 sits under 45000000 (Construction work), then 45200000 (Works for complete or part construction and civil engineering work), then 45250000 (Construction works for plants, mining and manufacturing and for buildings relating to the oil and gas industry), then 45259000 (Repair and maintenance of plant). It has no more specific codes beneath it.
Who wins contracts under CPV code 45259100?
The suppliers named most often on UK public contracts under 45259100 since 2023 are Wotech Kenya Limited (4), ESH Construction Limited (3), Galliford Try Construction Limited (3). 50 different suppliers have won work under this code.
How do I get alerts for tenders using CPV code 45259100?
Add 45259100 to a Tender Radar profile, with keywords that describe your work. Each weekday morning you get the new UK public sector notices that match, scored for fit. Because codes cover the codes beneath them, adding 45259100 also catches notices classified under its more specific codes.
How to cite this data
Tender Radar (2026) CPV code 45259100: Wastewater-plant repair and maintenance work [Dataset]. Professor AI. Available at: https://tender-radar.co.uk/cpv-codes/45259100-wastewater-plant-repair-and-maintenance-work (Accessed: 6 November 2026).
Relative dates (such as “in 6 days”) count from 6 November 2026, when this page was built.
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