Awarded 1 October 2026
EBCQ 26-016 Soil Testing for Playground Areas
Erewash Borough Council · East Midlands
Contaminated land assessment tenders and contracts
UK public sector, covering 600+ buyer sites
50 contracts awarded in the 24 months to 12 October 2026
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Updated 12 October 2026 · compiled by BidSkim Limited · How we count
Contaminated land assessment contracts ,
50 contracts across the UK, of any size
Recently awarded
The latest contaminated land assessment contracts awarded
Awarded 22 September 2026
OPA T881 - OFD THANCKES ENVIRONMENTAL INVESTIGATIONS
Oil and Pipelines Agency · South West
Awarded 21 July 2026
OLA - Update Qualitative Risk Assessment, Land Quality Register & Map and APC
Nuclear Restoration Services · South West
Awarded 20 July 2026
CHX Update Qualitative Risk Assessment, Land Quality Register & Map and APC
Nuclear Restoration Services · Scotland
Awarded 16 July 2026
Site Investigation at Stevenston and Irvine Beach, North Ayrshire
North Ayrshire Council · Scotland
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Who wins · 24 months to October 2026
Arcadis won the most contaminated land assessment contracts
It also won the most by value. Each dot is one contract, coloured by who bought it.
CouncilsHousing associationsOther public bodies
| Rank | Contractor | Contracts won, by buyer | Contracts | Value won | Buyers | Share |
|---|---|---|---|---|---|---|
| 1 | Arcadis North East · See every contract | 15 | £11.4m | 8 | ||
| 2 | WSP South West · See every contract | 8 | £230k | 5 | ||
| 3 | AECOM South West · See every contract | 6 | £476k | 4 | ||
| 4 | AtkinsRéalis North East · See every contract | 5 | £296k | 4 | ||
| 5 | Stantec North West · See every contract | 4 | £35k | 3 | ||
| 6joint | CL:AIRE East Midlands · See every contract | 2 | £800k | 1 | ||
| 6joint | CampbellReith South West · SME · See every contract | 2 | £224k | 2 | ||
| 6joint | Amey | 2 | Not published | 1 | ||
| 6joint | Arup | 2 | Not published | 1 | ||
| 6joint | Assisting Success Limited | 2 | Not published | 1 |
44 more contaminated land assessment contractors ranked. See the full ranking →
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Who buys
Councils award 48% of contaminated land assessment contracts
Contracts with a published value in the last 24 months, from the type of buyer to the size of the contract.
6 buyers bought contaminated land assessment more than once in the last 24 months
Each dot is a buyer, by how many contaminated land assessment 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 contaminated land assessment contracts it awarded against what they were worth. The busiest and biggest are named.
CouncilsHousing associationsOther public bodies
Top buyers by contracts awarded
| Rank | Buyer | Contracts | Value |
|---|---|---|---|
| 1 | Nuclear Restoration Services | 8 | £457k |
| 2 | Tees Valley Combined Authority | 5 | £1.3m |
| 3 | Environment Agency | 3 | £865k |
| 4 | Ministry of Defence | 2 | £9.5m |
| 5 | Natural England | 2 | £421k |
| 6 | Scotland Excel | 2 | Not published |
| 7 | South Tees Development Corporation | 1 | £250k |
| 8 | Homes England | 1 | £224k |
| 9 | BIRMINGHAM CITY COUNCIL | 1 | £184k |
| 10 | King's Lynn and West Norfolk Borough Council | 1 | £145k |
Prices
Half of contaminated land assessment contracts are worth less than £50k
Every contract with a published value, on a log scale, coloured by who bought it.
CouncilsHousing associationsOther public bodies
The 10 biggest contracts hold 88% of the money
Coloured by who bought it.
- Ministry of DefenceArcadis · 1 May 2026
- Environment AgencyCL:AIRE · 21 Mar 2025
- Environment AgencyCL:AIRE · 3 Feb 2025
- Natural EnglandAECOM · 23 Oct 2025
- Tees Valley Combined AuthorityArcadis · 20 May 2025
- Tees Valley Combined AuthorityArcadis · 7 Apr 2025
- Tees Valley Combined AuthorityAtkinsRéalis · 11 Apr 2025
- Tees Valley Combined AuthorityArcadis · 16 May 2025
- South Tees Development CorporationArcadis · 20 May 2025
- Homes EnglandCampbellReith · 28 Oct 2024
Where and when
The South West awards the most contaminated land assessment contracts. January and May are the busiest months.
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 |
|---|---|---|
| South West | 9 | £645k |
| London | 7 | £202k |
| North East | 6 | £1.6m |
| Scotland | 5 | £308k |
| South East | 4 | £137k |
| North West | 3 | £7k |
| East Midlands | 3 | £454k |
| East of England | 2 | £205k |
| Yorkshire and the Humber | 1 | £36k |
| West Midlands | 1 | £184k |
| Wales | 1 | £29k |
| Northern Ireland | 0 | Not published |
Often bought with contaminated land assessment
Related services
Key findings
- 88%
of the money is in the 10 biggest contaminated land assessment contracts.
Of 41 contracts with a published value. - 20%
of contaminated land assessment contracts are won by SMEs.
As recorded by the buyer, on 30 award notices. - 28%
of contaminated land assessment contracts are awarded in January and May.
14 of 50 contracts.
Questions
How many contaminated land assessment contracts does the UK public sector award?
50 in the 24 months to 12 October 2026, from 34 public buyers.
How much is a typical public sector contaminated land assessment contract worth?
The median is £50k, and 78% are worth less than £250k.
Who wins the most public sector contaminated land assessment contracts?
Arcadis won the most (15), and the most by value (£11.4m).
Which buyers award the most contaminated land assessment contracts?
Councils award 48% of them.
What is included
Phase 1 desk studies, site investigation, soil sampling and testing, risk assessment and remediation strategy for land, including Part 2A inspection and materials management advice for remediation projects.
- Phase 1 desk study and Phase 2 site investigation
- Contaminated land soil sampling and testing
- Part 2A inspection strategy assessments
- Remediation requirement assessment
- Materials and waste management advice for remediation
- Ground gas risk assessment for development sites
What is not included
- Physical remediation works (see Contaminated land and groundwater remediation)
- Intrusive ground investigation contracts bought without contamination assessment (see Ground investigation)
- National soil baseline sampling and laboratory analysis (see Environmental testing laboratory)
- Landfill gas monitoring (see Emissions monitoring)
- Asbestos surveys (see Asbestos survey)
- Radon testing (see Radon testing and remediation)