---
title: "Outer Dowsing"
ocid: "ocds-h6vhtk-068ddf"
canonical_url: "https://d3tenders.com/contract/?ocid=ocds-h6vhtk-068ddf"
markdown_url: "https://d3tenders.com/contract/ocds-h6vhtk-068ddf.md"
json_url: "https://d3tenders.com/contract/ocds-h6vhtk-068ddf.json"
source: "Find A Tender Service"
current_stage: "Award"
buyer: "THE CROWN ESTATE"
published: "2026-04-29"
---

# Outer Dowsing

Buyer: THE CROWN ESTATE  
Current stage: Award  
OCID: ocds-h6vhtk-068ddf

[View canonical contract page](https://d3tenders.com/contract/?ocid=ocds-h6vhtk-068ddf)  
[Download OCDS JSON](https://d3tenders.com/contract/ocds-h6vhtk-068ddf.json)

## Summary

The Crown Estate has undertaken a procurement process titled "Outer Dowsing," which focuses on offshore installation services within the services industry category. The project is situated in the UK and relates to the concession contract modification for developing an offshore wind farm. Initiated through a tendering process, the procurement stage has progressed to contract updates and award updates as of April 2026. The initial agreement with GT R4 Limited, the awarded supplier, dates back to January 2023, stemming from The Crown Estate’s Offshore Wind Leasing Round 4, with a contract period extending 25,200 days. Important amendments to this contract were made due to unforeseen circumstances impacting grid connection and development expenses.

This tender presents substantial opportunities for growth, particularly for large businesses involved in offshore installation services or renewable energy sectors such as wind farm development and electricity generation. Companies adept in handling complex logistical challenges, such as those involving grid connection reforms and managing extended procurement lead times, would be well-suited to compete. The project underscores the importance of agile and innovative approaches to address emergent market conditions and aims to further the UK's commitment to sustainable energy development, benefiting companies capable of delivering advanced technological solutions in this domain.

### Lot Information

Lot 1

This notice relates to the modification of a concession contract for the award of seabed rights for the development, construction and operation of an offshore wind farm which was entered into by The Crown Estate and GT R4 Limited on 17 January 2023, following the completion of The Crown Estate's Offshore Wind Leasing Round 4 process.

## Key Details

| Field | Value |
| --- | --- |
| Publication source | Find A Tender Service |
| Latest notice | https://www.find-tender.service.gov.uk/Notice/039128-2026 |
| Notice type | Award Notice |
| Procurement type | Standard |
| Procurement category | Services |
| Procurement method | Not Specified |
| Procurement method details | Not specified |
| Tender suitability | Not specified |
| Awardee scale | Large |
| All stages | Award |

## Dates

| Field | Value |
| --- | --- |
| Publication date | 29 Apr 2026 |
| Submission deadline | Not specified |
| Future notice date | Not specified |
| Award date | 17 Jan 2023 |
| Contract period | Not specified |
| Recurrence | Not specified |

## Values

| Field | Value |
| --- | --- |
| Tender value | Not specified |
| Lots value | Not specified |
| Awards value | Not specified |
| Contracts value | £1 |

## Status

| Field | Value |
| --- | --- |
| Tender status | Not specified |
| Lots status | Not specified |
| Awards status | Active |
| Contracts status | Active |

## Buyer

| Field | Value |
| --- | --- |
| Main buyer | THE CROWN ESTATE |
| Locality | LONDON |
| Post town | Not specified |
| Postcode | N/A |
| Country | Not specified |
| ITL 1 | Not specified |
| ITL 2 | Not specified |
| ITL 3 | Not specified |
| Local authority | Not specified |
| Electoral ward | Not specified |
| Westminster constituency | Not specified |
| Delivery location | Not specified |

## Supplier

| Field | Value |
| --- | --- |
| Number of suppliers | 1 |
| Supplier names | GT R4 |

## CPV Codes

### Divisions

- 09 - Petroleum products, fuel, electricity and other sources of energy
- 31 - Electrical machinery, apparatus, equipment and consumables; lighting
- 76 - Services related to the oil and gas industry

### Codes

- 09300000 - Electricity, heating, solar and nuclear energy
- 09310000 - Electricity
- 31121320 - Wind turbines
- 31121340 - Wind farm
- 76521000 - Offshore installation services

## Release History

- 29 Apr 2026 at 11:17 - AwardUpdate - Award Notice - https://www.find-tender.service.gov.uk/Notice/039128-2026

## Notice URLs

- https://ted.europa.eu/udl?uri=TED:NOTICE:488882-2019:TEXT:EN:HTML
- https://www.thecrownestate.co.uk

## 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-068ddf. The underlying structured data is available as OCDS JSON at https://d3tenders.com/contract/ocds-h6vhtk-068ddf.json.