Northern Ireland Assembly is using Delta eSourcing to run this tender exercise
| Notice Summary |
|---|
| Title: | Specialist Stone Cleaning to the Front Façade of Parliament Buildings |
| Notice type: | UK4: Tender notice |
| Authority: | Northern Ireland Assembly |
| Nature of contract: | Services |
| Procedure: | Above threshold - Open procedure |
| Short 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. |
| Published: | 13/01/2026 15:15 |
Specialist Stone Cleaning to the Front Façade of Parliament Buildings
Contracting authority
- Contracting authority:
- Northern Ireland Assembly
- Public Procurement Organisation Number:
- PYCW-9139-GQXZ
- Address:
Northern Ireland Assembly, Parliament Buildings, Stormont
Belfast
BT4 3XX
UK- Contact name:
- Procurement Office
- Email:
- procurement@niassembly.gov.uk
- Telephone:
- 02890521855
- Website:
- Not provided
- Organisation type:
- MINISTRY
- Devolved regulations that apply:
- Northern Ireland
Procedure
- Procedure type:
Open procedure- Preliminary market engagement conducted:
- No
- Tenders received:
- 0
- Tenders assessed:
- 0
- Tenders from SMEs:
- 0
- Tenders from VCSEs:
- 0
- Special regime:
None
Scope
- Title:
- Specialist Stone Cleaning to the Front Façade of Parliament Buildings
- Reference number:
- Not provided
- Main procurement category:
- SERVICES
- 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.
For more information about this opportunity, please visit the Delta eSourcing portal at:
https://niassembly.delta-esourcing.com/tenders/UK-UK-Belfast:-Parliament-and-public-assembly-buildings./P58K4XT93T
To respond to this opportunity, please click here:
https://niassembly.delta-esourcing.com/respond/P58K4XT93T - Total value (estimated):
GBP 132,000 excluding VAT
GBP 158,400 including VAT
Description
- Description:
- Not provided
- Suitable for SMEs:
- Yes
- Suitable for VCSEs:
- No
- Contract dates (estimated):
- 03/03/2026 to 27/05/2026
- 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 can be extended:
- No
- Delivery regions:
UKN06 - Belfast- Award criteria:
Name: Total cost for delivery / Weighting: 100- Technical ability conditions of participation:
- Criteria as stated within the Instructions to Tenderers (pass/fail)
Documents
- Associated tender documents:
Not provided- Technical specifications:
Not provided
Submission
- Enquiry deadline:
- 29/01/2026 Time: 15:00
- Tender submission deadline:
- 09/02/2026 Time: 15:00
- Submission address and any special instructions:
- https://northernirelandassembly.delta-esourcing.com
- An electronic auction will be used:
No- Languages that may be used for submission:
English- Award decision date (estimated):
- 16/02/2026
Other information
- Legal and financial capacity conditions of participation:
- Not provided
- Technical ability conditions of participation:
- Not provided
- Comprehensive and Progressive Agreement for Trans-Pacific Partnership (CPTPP):
- Not provided
- Government Procurement Agreement (GPA):
- Not provided
- A conflicts assessment has been prepared and revised:
- Yes
Other organisations
Not provided
Award Notice
Specialist Stone Cleaning to the Front Façade of Parliament Buildings
Contracting Authorities
- Contracting authority:
- Northern Ireland Assembly
- Public Procurement Organisation Number:
- PYCW-9139-GQXZ
- Address:
Northern Ireland Assembly, Parliament Buildings, Stormont
Belfast
BT4 3XX
UK- Contact name:
- Procurement Office
- Email:
- procurement@niassembly.gov.uk
- Telephone:
- 02890521855
- Website:
- Not provided
- Organisation type:
- MINISTRY
- Devolved regulations that apply:
- Northern Ireland
Procedure
- Procedure type:
Open procedure- Preliminary market engagement conducted:
- No
- Tenders received:
- 0
- Tenders assessed:
- 0
- Tenders from SMEs:
- 0
- Tenders from VCSEs:
- 0
- Special regime:
None
Scope
- Title:
- Specialist Stone Cleaning to the Front Façade of Parliament Buildings
- Reference number:
- Not provided
- Main procurement category:
- SERVICES
- 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.
To view this notice, please click here:
https://niassembly.delta-esourcing.com/delta/viewNotice.html?noticeId=1014231393
To respond to this opportunity, please click here:
https://niassembly.delta-esourcing.com/respond/P58K4XT93T - Total value (estimated):
GBP 132,000 excluding VAT
GBP 158,400 including VAT
- Contract value:
- GBP 158,400 including VAT
Contract Details
Contract 1
- Title:
- Not provided
- Reference number:
- Not provided
- Contract value:
- GBP 135,840 including VAT
- Below the relevant threshold:
- No
- Award decision date:
- 13/02/2026
- Earliest date the contract will be signed:
- 26/02/2026
- Contract dates (estimated):
- 27/02/2026 to 22/05/2026
- 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.- Delivery regions:
UKN06 - Belfast- Assessment summaries sent:
- 13/02/2026
Supplier
- Supplier:
- P.G Clarke & Son Ltd.
- Companies House:
- NI616983
- Address:
156 Eshnadarragh Road, Rosslea
Enniskillen
BT92 7LB
UK- Email:
- jonathan@clarkerestoration.co.uk
- Telephone:
- Not provided
- Small or medium-sized enterprise (SME):
- Yes
- Voluntary, community or social enterprise (VCSE):
- No
- Supported employment provider:
- No
- Public service mutual:
- No
Other organisations
Not provided
Related Notice
Specialist Stone Cleaning to the Front Façade of Parliament Buildings
Contracting Authorities
- Contracting authority:
- Northern Ireland Assembly
- Public Procurement Organisation Number:
- PYCW-9139-GQXZ
- Address:
Northern Ireland Assembly, Parliament Buildings, Stormont
Belfast
BT4 3XX
UK- Contact name:
- Procurement Office
- Email:
- procurement@niassembly.gov.uk
- Telephone:
- 02890521855
- Website:
- Not provided
- Organisation type:
- MINISTRY
- Devolved regulations that apply:
- Northern Ireland
Procedure
- Procedure type:
Open procedure- Preliminary market engagement conducted:
- No
- Tenders received:
- 0
- Tenders assessed:
- 0
- Tenders from SMEs:
- 0
- Tenders from VCSEs:
- 0
- Special regime:
None
Scope
- Title:
- Specialist Stone Cleaning to the Front Façade of Parliament Buildings
- Reference number:
- Not provided
- Main procurement category:
- SERVICES
- 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.
To view this notice, please click here:
https://niassembly.delta-esourcing.com/delta/viewNotice.html?noticeId=1016037873
To respond to this opportunity, please click here:
https://niassembly.delta-esourcing.com/respond/P58K4XT93T - Total value (estimated):
GBP 132,000 excluding VAT
GBP 158,400 including VAT
- Contract value:
- GBP 158,400 including VAT
Contract Details
Contract 1
- Title:
- Not provided
- Reference number:
- Not provided
- Contract value:
- GBP 135,840 including VAT
- Below the relevant threshold:
- No
- Award decision date:
- 13/02/2026
- Earliest date the contract will be signed:
- 26/02/2026
- Contract dates (estimated):
- 27/02/2026 to 22/05/2026
- 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.- Delivery regions:
UKN06 - Belfast
Supplier
- Supplier:
- P.G Clarke & Son Ltd.
- Companies House:
- NI616983
- Address:
156 Eshnadarragh Road, Rosslea
Enniskillen
BT92 7LB
UK- Email:
- jonathan@clarkerestoration.co.uk
- Telephone:
- Not provided
- Small or medium-sized enterprise (SME):
- Yes
- Voluntary, community or social enterprise (VCSE):
- No
- Key performance indicators:
Not provided- Associated documents:
Not provided
Other organisations
Not provided