---
title: "National Trust - NI - Tree Nursery Phase 2 Polytunnel Installation"
ocid: "ocds-b5fd17-5bba2c39-3e87-4ba1-a11c-da23af079cc3"
canonical_url: "https://d3tenders.com/contract/?ocid=ocds-b5fd17-5bba2c39-3e87-4ba1-a11c-da23af079cc3"
markdown_url: "https://d3tenders.com/contract/ocds-b5fd17-5bba2c39-3e87-4ba1-a11c-da23af079cc3.md"
json_url: "https://d3tenders.com/contract/ocds-b5fd17-5bba2c39-3e87-4ba1-a11c-da23af079cc3.json"
source: "Contracts Finder"
current_stage: "Tender"
buyer: "THE NATIONAL TRUST FOR PLACES OF HISTORIC INTEREST OR NATURAL BEAUTY"
published: "2025-12-18"
---

# National Trust - NI - Tree Nursery Phase 2 Polytunnel Installation

Buyer: THE NATIONAL TRUST FOR PLACES OF HISTORIC INTEREST OR NATURAL BEAUTY  
Current stage: Tender  
OCID: ocds-b5fd17-5bba2c39-3e87-4ba1-a11c-da23af079cc3

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## Summary

The National Trust for Places of Historic Interest or Natural Beauty is inviting tenders for the "National Trust - NI - Tree Nursery Phase 2 Polytunnel Installation" project. This procurement, categorised under horticultural products and agricultural buildings construction work, focuses on the installation of polytunnels as part of an expansion of their tree nursery at Mount Stewart in Newtownards, Northern Ireland. The tender is at the "tender" stage, with key dates including a response deadline of 16th January 2026, an appointment confirmation on 19th January 2026, and a completion deadline of 13th March 2026. The estimated contract value is £80,000, and the procurement follows an open procedure.

This tender presents a significant opportunity for businesses involved in horticultural construction and the erection of polytunnels, especially those well-versed in bespoke agricultural building projects. SMEs are particularly encouraged to apply, as the project supports business growth through sustainable infrastructure development in Northern Ireland. Companies capable of designing, building, and installing polytunnels with specific features such as manual roll-up ventilation and pest-resistant mesh should find this opportunity suitable to expand their portfolio and engage in conservation efforts.

## Notice

Tender Opportunity - Tree Nursery Phase 2 Polytunnel Installation The National Trust invites tenders for the supply, delivery, and erection of polytunnels as part of Phase 2 of our Tree Nursery development at Mount Stewart, Portaferry Road, Newtownards, Co. Down, BT22 2AD Scope of Works 1 x 16m x 24m Twin Span Polytunnel 1 x 13m x 36m Twin Span Polytunnel 2 x 9m x 26m Single Span Polytunnels Works include design, build, and installation on a prepared gravel/screed base, with manual roll-up ventilation sides and pest-resistant mesh. Why This Matters This project supports the expansion of our tree nursery infrastructure, enabling sustainable planting and conservation efforts across Northern Ireland. Key Dates Deadline for responses - 16th January 2026 (4pm) Appointment confirmed - 19th January 2026 Completion deadline - 13th March 2026 The tender is being conducted via the Proactis Plaza portal. http://www.proactisplaza.com/ Search for The National Trust in the opportunities section and follow the instructions.

## Key Details

| Field | Value |
| --- | --- |
| Publication source | Contracts Finder |
| Latest notice | https://www.contractsfinder.service.gov.uk/Notice/1f9b51eb-4990-4c7b-b08b-1f1bf002cbd4 |
| Notice type | Tender Notice |
| Procurement type | Standard |
| Procurement category | Works |
| Procurement method | Open |
| Procurement method details | Open procedure (below threshold) |
| Tender suitability | SME |
| Awardee scale | Not specified |
| All stages | Tender |

## Dates

| Field | Value |
| --- | --- |
| Publication date | 18 Dec 2025 |
| Submission deadline | 16 Jan 2026 |
| Future notice date | Not specified |
| Award date | Not specified |
| Contract period | 22 Jan 2026 - 13 Mar 2026 |
| Recurrence | Not specified |

## Values

| Field | Value |
| --- | --- |
| Tender value | £80,000 |
| Lots value | Not specified |
| Awards value | Not specified |
| Contracts value | Not specified |

## Status

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

## Buyer

| Field | Value |
| --- | --- |
| Main buyer | THE NATIONAL TRUST FOR PLACES OF HISTORIC INTEREST OR NATURAL BEAUTY |
| Locality | SWINDON |
| Post town | Swindon |
| Postcode | SN2 2NA |
| Country | England |
| ITL 1 | TLK South West (England) |
| ITL 2 | TLK7 Gloucestershire and Wiltshire |
| ITL 3 | TLK71 Swindon |
| Local authority | Swindon |
| Electoral ward | Mannington and Western |
| Westminster constituency | Swindon South |
| Delivery location | TLN Northern Ireland |

## CPV Codes

### Divisions

- 03 - Agricultural, farming, fishing, forestry and related products
- 45 - Construction work

### Codes

- 03121000 - Horticultural products
- 45213240 - Agricultural buildings construction work

## Release History

- 18 Dec 2025 at 09:53 - Tender - Tender Notice - https://www.contractsfinder.service.gov.uk/Notice/1f9b51eb-4990-4c7b-b08b-1f1bf002cbd4

## Documents

- https://www.contractsfinder.service.gov.uk/Notice/1f9b51eb-4990-4c7b-b08b-1f1bf002cbd4
  18th December 2025 - Opportunity notice on Contracts Finder

## Notice URLs

- http://www.proactisplaza.com/

## 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-b5fd17-5bba2c39-3e87-4ba1-a11c-da23af079cc3. The underlying structured data is available as OCDS JSON at https://d3tenders.com/contract/ocds-b5fd17-5bba2c39-3e87-4ba1-a11c-da23af079cc3.json.