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Gas Analysers for Automatic Air Quality Monitoring Networks 2025 Lot 2

Environment Agency

This public procurement record has 8 releases in its history.

Award

27 Jul 2026 at 09:19

UK6 - Contract Award Notice
Award

20 Jul 2026 at 11:47

UK7 - Contract Details Notice
Award

25 Jun 2026 at 12:29

UK6 - Contract Award Notice
Award

27 Mar 2026 at 10:48

UK7 - Contract Details Notice
Award

04 Mar 2026 at 15:13

UK6 - Contract Award Notice
TenderUpdate

24 Jun 2025 at 15:31

UK4 - Tender Notice
Tender

27 May 2025 at 11:37

UK4 - Tender Notice
Planning

30 Apr 2025 at 12:08

UK2 - Preliminary Market Engagement Notice
Summary of the contracting process

The Environment Agency is procuring gas analysers for the UK Automatic Urban and Rural Network, which measures pollutant concentrations for air-quality compliance. The requirement covers the supply and installation of instruments for nitrogen monoxide and nitrogen dioxide, using chemiluminescence in accordance with, or equivalent to, BS EN 14211:2012, and ozone, using ultraviolet photometry in accordance with, or equivalent to, BS EN 14625:2012. A separate sulphur dioxide analyser requirement using ultraviolet fluorescence and BS EN 14212:2012 was included but subsequently stopped because of forthcoming reductions in the sulphur dioxide network. The Environment Agency is the buyer, with the Department for Environment, Food & Rural Affairs undertaking the project on its behalf. Delivery and installation are across the United Kingdom.

This procurement has been awarded through an open competitive flexible procedure. The nitrogen monoxide and dioxide lot was awarded to ENVEA UK LTD on 27 February 2026 for £1,293,965.92 excluding VAT (£1,552,759.10 including VAT), with the contract signed on 18 March 2026 and running from 18 March 2026 to 17 March 2031. The ozone lot was awarded to ENVEA UK LTD on 24 June 2026 for £496,879.73 excluding VAT (£596,255.67 including VAT), signed on 7 July 2026 and running from 7 July 2026 to 6 July 2031. Each lot was evaluated on technical quality weighted at 60% and price at 40%. The sulphur dioxide lot was stopped on 9 July 2026 because of forthcoming network reductions.

This opportunity shows sustained Environment Agency demand for specialist ambient air-quality monitoring equipment and installation across the UK. Credible competitors need to supply analysers that meet or equal the relevant British and European ambient-air-quality standards, with reliable measurement performance for nitrogen oxides or ozone and the ability to integrate new models into the Automatic Urban and Rural Network. The procurement used a technical assessment followed by commercial scoring and a trial phase, including rental of two instruments for testing by the buyer’s quality-assurance contractor. Suppliers should therefore be able to provide working demonstrations, installation support, commissioning and evidence of dependable network integration. The requirement was marked as suitable for SMEs, and two SMEs reached the final stage for the ozone lot, which received six final-stage bids.

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Notice Information

Notice Title

Gas Analysers for Automatic Air Quality Monitoring Networks 2025 Lot 2

Notice Description

The Environment Agency work to create better places for people and wildlife and support sustainable development. EA is an executive non-departmental body, sponsored by the Department for Environment, Food and Rural Affairs. For further information please visit Environment Agency - GOV.UK (Environment Agency - GOV.UK (www.gov.uk). The UK Automatic Urban and Rural Network (AURN) is the Environment Agency's compliance network for the reporting of pollutant concentrations the Air Quality Directive (AQD) 2008/50/EC. This was transposed by respective Air Quality Standard Regulations across the UK and the Devolved Administrations. The network provides measurements of a range of pollutants including Particulate size fractions (PM10 and PM2.5) and the following gases: oxides of nitrogen (NOX) (analysers that measure Nitrogen Monoxide (NO) and nitrogen dioxide (NO2)), ozone (O3), sulphur dioxide (SO2) and carbon monoxide (CO). Further details of the current network are available on http://uk-air.defra.gov.uk/. The Environment Agency requires the supply and installation of the following air quality monitoring instruments: * Lot 2 - SO2 analyser which is compliant or equivalent with "BS EN 14212:2012 Ambient Air Quality" which uses the standard method for the measurement of the concentration of sulphur dioxide by ultra-violet fluorescence. The decision to formally stop the Gas Analyser Lot 2 - SO2 procurement has been made, due to the forthcoming SO2 network reductions

Lot Information

NO and NO2 instrument

A NO and NO2 instrument which is compliant or equivalent with "BS EN 14211:2012 Ambient Air Quality" which states that "standard method for the measurement of the concentration of nitrogen dioxide and nitrogen monoxide by Chemiluminescent"

SO2 analyser Ozone analyser

Planning Information

F01:PIN https://www.find-tender.service.gov.uk/Notice/019939-2024 II.1.4) Short description The Environment Agency requires the supply and installation of the following air quality monitoring instruments: • NOx and NO2 analyser which is compliant or equivalent with “BS EN 14211:2012 Ambient Air Quality” which uses the standard method for the measurement of the concentration of nitrogen dioxide and nitrogen monoxide by Chemiluminescent. • SO2 analyser which is compliant or equivalent with “BS EN 14212:2012 Ambient Air Quality” which uses the standard method for the measurement of the concentration of sulphur dioxide by ultra-violet fluorescence.  • Ozone analyser which is compliant or equivalent with “BS EN 14625:2012 Ambient Air Quality” which uses the standard method for the measurement of the concentration of ozone by ultraviolet photometry.  Approximately 23 NOx, 2 SO2 and 30 O3 analysers will be required before 31st March 2025. If you have an interest in this requirement please get in touch with the procurement team, no later than close on Friday 12th July 2024, at: DGC-LAWW-buyer@defra.gov.uk The team are interested in gaining some information from the market, so any interested party will receive a questionnaire by email with some commercial and technical questions. This will be sent w/c 15th July 2024.

Notice Details

Publication & Lifecycle

Open Contracting ID
ocds-h6vhtk-050a0f
Publication Source
Find A Tender Service
Latest Notice
https://www.find-tender.service.gov.uk/Notice/070572-2026
Current Stage
Award
All Stages
Planning, Tender, Award

Procurement Classification

Notice Type
UK7 - Contract Details Notice
Procurement Type
Standard
Procurement Category
Goods
Procurement Method
Open
Procurement Method Details
Competitive flexible procedure
Tender Suitability
SME
Awardee Scale
SME

Common Procurement Vocabulary (CPV)

CPV Divisions

38 - Laboratory, optical and precision equipments (excl. glasses)

90 - Sewage, refuse, cleaning and environmental services

CPV Codes

38434000 - Analysers

90731100 - Air quality management

Notice Value(s)

Tender Value
£1
Lots Value
Not specified
Awards Value
£1,790,844 £1M-£10M
Contracts Value
£1,790,844 £1M-£10M

Notice Dates

Publication Date
27 Jul 20261 months ago
Submission Deadline
3 Jul 2025Expired
Future Notice Date
8 May 2025Expired
Award Date
27 Feb 20266 months ago
Contract Period
7 Jul 2026 - 6 Jul 2031 Over 5 years
Recurrence
Not specified

Notice Status

Tender Status
Complete
Lots Status
Complete
Awards Status
Active
Contracts Status
Active

Buyer & Supplier

Contracting Authority (Buyer)

Main Buyer
Environment Agency
Additional Buyers

ENVIRONMENT AGENCY

Contact Name
Available with D3 Tenders Premium →
Contact Email
Available with D3 Tenders Premium →
Contact Phone
Available with D3 Tenders Premium →

Buyer Location

Locality
LONDON
Postcode
SW1P 4DF
Postcode Area
South West London
Country
England
Major Region (ITL 1)
TLI London
Basic Region (ITL 2)
TLI3 Inner London - West
Small Region (ITL 3)
TLI35 Westminster and City of London
Delivery Location
Not specified
Local Authority
Westminster
Electoral Ward
St James's
Westminster Constituency
Cities of London and Westminster

Supplier Information

Number of Suppliers
1
Supplier Name

ENVEA UK LTD

Further Information

Notice Documents

Open Contracting Data Standard (OCDS)

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