Scope
Description
Parliament Buildings requires essential conservation cleaning works to address biological growth, carbon soiling, and harmful pollutants that have accumulated on the Portland limestone façades and associated external elements.
The need for intervention is driven by:
•preservation of the building fabric and prevention of long-term decay
•removal of biological growth and harmful pollutants;
•ensuring the building remains safe, structurally sound, and aesthetically appropriate; and
•compliance with heritage management duties for a Grade A listed asset.
The project includes cleaning the front elevation of Parliament Buildings, portico, tower, kerbs, steps, dwarf walls and architectural detailing, excluding areas expressly omitted in the specification. Repointing to approximately 10% of joints is anticipated following cleaning.
A specialist contractor is required due to the conservation sensitivity, the need for controlled methodologies, and the requirement for careful liaison with the Conservation Architect.
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Total value (estimated)
- £132,000 excluding VAT
- £158,400 including VAT
Above the relevant threshold
Contract dates (estimated)
- 3 March 2026 to 27 May 2026
- 2 months, 25 days
Main procurement category
Services
CPV classifications
- 45216114 - Parliament and public assembly buildings
- 45452000 - Exterior cleaning work for buildings
- 71315000 - Building services
- 90910000 - Cleaning services
- 90911200 - Building-cleaning services
Contract locations
- UKN06 - Belfast
Participation
Technical ability conditions of participation
Criteria as stated within the Instructions to Tenderers (pass/fail)
Particular suitability
Small and medium-sized enterprises (SME)
Submission
Enquiry deadline
29 January 2026, 3:00pm
Tender submission deadline
9 February 2026, 3:00pm
Submission address and any special instructions
Tenders may be submitted electronically
Yes
Languages that may be used for submission
English
Award decision date (estimated)
16 February 2026
Award criteria
| Name | Type | Weighting |
|---|---|---|
| Total cost for delivery | Price | 100% |
Other information
Conflicts assessment prepared/revised
Yes
Procedure
Procedure type
Open procedure
Contracting authority
Northern Ireland Assembly
- Public Procurement Organisation Number: PYCW-9139-GQXZ
Northern Ireland Assembly, Parliament Buildings, Stormont
Belfast
BT4 3XX
United Kingdom
Region: UKN06 - Belfast
Organisation type: Public authority - central government