---
title: "NO2 Exit Modelling"
ocid: "ocds-h6vhtk-067298"
canonical_url: "https://d3tenders.com/contract/?ocid=ocds-h6vhtk-067298"
markdown_url: "https://d3tenders.com/contract/ocds-h6vhtk-067298.md"
json_url: "https://d3tenders.com/contract/ocds-h6vhtk-067298.json"
source: "Find A Tender Service"
current_stage: "Award"
buyer: "PORTSMOUTH CITY COUNCIL"
published: "2026-03-24"
---

# NO2 Exit Modelling

Buyer: PORTSMOUTH CITY COUNCIL  
Current stage: Award  
OCID: ocds-h6vhtk-067298

[View canonical contract page](https://d3tenders.com/contract/?ocid=ocds-h6vhtk-067298)  
[Download OCDS JSON](https://d3tenders.com/contract/ocds-h6vhtk-067298.json)

## Summary

Portsmouth City Council has completed the procurement process for the "NO2 Exit Modelling" project, which involves traffic and air quality modelling for the Clean Air Zone in Portsmouth, UKJ31 region. The procurement sought services under high threshold consultancies related to highways, and the contract was awarded on 13 March 2026, with an end date of 1 November 2026. ATKINSRÉALIS PPS LIMITED, based in Epsom, UKJ26, has been awarded the contract to provide consultancy services. This procurement represents a completed stage where the contract was signed on 26 January 2026, signalling the beginning of the project implementation phase, crucial for environmental planning and urban development in Portsmouth.

This tender presents a significant opportunity for businesses specialising in environmental consultancy and traffic systems planning to engage with sub-central government projects. Large-scale firms with expertise in highways consultancy services, particularly those with experience modelling air quality and traffic flow within urban areas, would have been well-suited for this tender. The completion of this contract by a prominent supplier like ATKINSRÉALIS PPS LIMITED exemplifies the potential for growth in partnerships with public authorities like Portsmouth City Council, contributing to strategic environmental initiatives and urban planning frameworks.

## Notice

Traffic & air quality modelling for the Clean Air Zone (CAZ)

## Key Details

| Field | Value |
| --- | --- |
| Publication source | Find A Tender Service |
| Latest notice | https://www.find-tender.service.gov.uk/Notice/026750-2026 |
| Notice type | UK7 - Contract Details Notice |
| Procurement type | Standard |
| Procurement category | Services |
| Procurement method | Not Specified |
| Procurement method details | Below threshold - unknown |
| Tender suitability | Not specified |
| Awardee scale | Large |
| All stages | Award |

## Dates

| Field | Value |
| --- | --- |
| Publication date | 24 Mar 2026 |
| Submission deadline | Not specified |
| Future notice date | Not specified |
| Award date | 26 Jan 2026 |
| Contract period | 13 Mar 2026 - 1 Nov 2026 |
| Recurrence | Not specified |

## Values

| Field | Value |
| --- | --- |
| Tender value | Not specified |
| Lots value | Not specified |
| Awards value | Not specified |
| Contracts value | £138,000 |

## Status

| Field | Value |
| --- | --- |
| Tender status | Complete |
| Lots status | Complete |
| Awards status | Active |
| Contracts status | Active |

## Buyer

| Field | Value |
| --- | --- |
| Main buyer | PORTSMOUTH CITY COUNCIL |
| Locality | PORTSMOUTH |
| Post town | Portsmouth |
| Postcode | PO1 2AL |
| Country | England |
| ITL 1 | TLJ South East (England) |
| ITL 2 | TLJ3 Hampshire and Isle of Wight |
| ITL 3 | TLJ31 Portsmouth |
| Local authority | Portsmouth |
| Electoral ward | Charles Dickens |
| Westminster constituency | Portsmouth South |
| Delivery location | Not specified |

## Supplier

| Field | Value |
| --- | --- |
| Number of suppliers | 1 |
| Supplier names | ATKINSRÉALIS PPS |

## CPV Codes

### Divisions

- 71 - Architectural, construction, engineering and inspection services

### Codes

- 71311210 - Highways consultancy services

## Release History

- 24 Mar 2026 at 12:12 - Award - UK7 - Contract Details Notice - https://www.find-tender.service.gov.uk/Notice/026750-2026

## Documents

- https://www.find-tender.service.gov.uk/Notice/026750-2026
  24th March 2026 - Contract details notice on Find a Tender

## Notice URLs

- http://www.atkinsrealis.com
- https://www.legislation.gov.uk/ukpga/2023/54/contents

## Provenance

This Markdown file is an alternate public rendering of the D3 Tenders contract record. The canonical page is https://d3tenders.com/contract/?ocid=ocds-h6vhtk-067298. The underlying structured data is available as OCDS JSON at https://d3tenders.com/contract/ocds-h6vhtk-067298.json.