--- title: "Harwich Office Upgrades - HVAC" ocid: "ocds-h6vhtk-05e478" canonical_url: "https://d3tenders.com/contract/?ocid=ocds-h6vhtk-05e478" markdown_url: "https://d3tenders.com/contract/ocds-h6vhtk-05e478.md" json_url: "https://d3tenders.com/contract/ocds-h6vhtk-05e478.json" source: "Find A Tender Service" current_stage: "Planning" buyer: "TRINITY HOUSE" published: "2025-11-19" --- # Harwich Office Upgrades - HVAC Buyer: TRINITY HOUSE Current stage: Planning OCID: ocds-h6vhtk-05e478 [View canonical contract page](https://d3tenders.com/contract/?ocid=ocds-h6vhtk-05e478) [Download OCDS JSON](https://d3tenders.com/contract/ocds-h6vhtk-05e478.json) ## Summary Trinity House, a public authority sub-central government entity located in London, has issued a preliminary market engagement notice for the procurement process concerning the upgrade of HVAC systems at their Harwich offices. This procurement falls under the category of heating, ventilation, and air-conditioning installation work and is currently in the planning stage. Interested parties are encouraged to express their interest by 31st December 2025 through the Delta e-sourcing platform, with the objective being the supply and installation of HVAC systems across two buildings by November 2026. This project is scheduled to commence hardware delivery by the end of March 2026, followed by installation and commissioning phases until October 2026, and ending with customer acceptance testing in November 2026. This tender offers a significant opportunity for businesses specialising in HVAC installation and systems maintenance to contribute to an essential infrastructure upgrade of a public institution. Companies that can provide Daikin system components and possess capabilities in system configuration, management, and training, particularly those that can ensure seamless operations amidst ongoing office activities, are well-suited to compete. The project value anchored at £390,000 demonstrates a substantial business opportunity. Firms with experience in managing complex HVAC projects, particularly with a focus on improved performance efficiency, temperature control, and cyber security readiness, will find this tender aligns well with their expertise. ## Notice Trinity House have HVAC systems installed in two buildings, known as the main office (3 floors) and buoy yard (2 floors), at their Harwich site. These systems have been operational since 2006 and are maintained on a regular basis. The system consists of a mix of floor wide arrangements with fan coil units in the roof space as well as dedicated room based independent units. All items are from the Daikin range and can be centrally controlled and configured via a portal. These works are for the supply of all the necessary equipment on a like-for-like basis to meet the original building performance (cooling / heating) of all the HVAC systems across two buildings, excluding the two IT server rooms. In addition, all equipment is to be installed, with full co-ordination, noting the need to maintain the working office environment. This will need the full management, installation, and configuration of the systems, with an acceptance test, as well as training on supervisory local and remote platforms. Some of the goals: Undertake the necessary role for CDM Peformance efficiency improvement with a heating SCOP of 5.5 and cooling SEER of 7.5. Improvement in temperature control with a +-1degC deadband Identical level of redundancy Cyber security assessment and mitigation provided Timescales Hardware delivery - by end March 2026 Installation - May to Oct 2026 Commissioning - May to Oct 2026 Customer acceptance testing - Nov 2026 For more information about this opportunity, please visit the Delta eSourcing portal at: https://trinityhouse.delta-esourcing.com/tenders/UK-UK-LONDON:-Heating%2C-ventilation-and-air-conditioning-installation-work./P8K79HYZ2N To respond to this opportunity, please click here: https://trinityhouse.delta-esourcing.com/respond/P8K79HYZ2N ### Planning Information A preliminary Market Engagement Notice has been published to generate interest in the forthcoming procurement of upgrading Trinity House Harwich Offices HVAC system. Please contact Trinity House via the Delta e-sourcing platform to express your interest in this opportunity, your details will be added to the list of potential suppliers and you will be notified at the time of publication. ## Key Details | Field | Value | | --- | --- | | Publication source | Find A Tender Service | | Latest notice | https://www.find-tender.service.gov.uk/Notice/075257-2025 | | Notice type | UK2 - Preliminary Market Engagement Notice | | Procurement type | Standard | | Procurement category | Works | | Procurement method | Not Specified | | Procurement method details | Not specified | | Tender suitability | Not specified | | Awardee scale | Not specified | | All stages | Planning | ## Dates | Field | Value | | --- | --- | | Publication date | 19 Nov 2025 | | Submission deadline | Not specified | | Future notice date | 31 Dec 2025 | | Award date | Not specified | | Contract period | 27 Mar 2026 - 30 Nov 2026 | | Recurrence | Not specified | ## Values | Field | Value | | --- | --- | | Tender value | £390,000 | | Lots value | Not specified | | Awards value | Not specified | | Contracts value | Not specified | ## Status | Field | Value | | --- | --- | | Tender status | Planning | | Lots status | Planning | | Awards status | Not specified | | Contracts status | Not specified | ## Buyer | Field | Value | | --- | --- | | Main buyer | TRINITY HOUSE | | Locality | LONDON | | Post town | Central London | | Postcode | EC3N 4DH | | Country | England | | ITL 1 | TLI London | | ITL 2 | TLI3 Inner London - West | | ITL 3 | TLI35 Westminster and City of London | | Local authority | City of London | | Electoral ward | Tower | | Westminster constituency | Cities of London and Westminster | | Delivery location | TLI London | ## CPV Codes ### Divisions - 45 - Construction work ### Codes - 45331000 - Heating, ventilation and air-conditioning installation work ## Release History - 19 Nov 2025 at 14:05 - Planning - UK2 - Preliminary Market Engagement Notice - https://www.find-tender.service.gov.uk/Notice/075257-2025 ## Documents - https://www.find-tender.service.gov.uk/Notice/075257-2025 19th November 2025 - Preliminary market engagement notice on Find a Tender ## Notice URLs - https://trinityhouse.delta-esourcing.com/respond/P8K79HYZ2N - https://trinityhouse.delta-esourcing.com/tenders/UK-UK-LONDON:-Heating%2C-ventilation-and-air-conditioning-installation-work./P8K79HYZ2N - 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-05e478. The underlying structured data is available as OCDS JSON at https://d3tenders.com/contract/ocds-h6vhtk-05e478.json.