Invitation to Tender – RIBA Stage 4 & 5 Services 

 Bailiffgate Museum & Gallery is delighted to announce the next phase of our ambitious heritage project: the repair and restoration of the magnificent Grade I listed Northumberland Hall in Alnwick, Northumberland. 

 Supported by the National Lottery Heritage Fund, the Borderlands Place Programme, and other valued partners, we are now seeking experienced, highly organised specialists to join our design team for RIBA Stage 4 and 5. 

 Bailiffgate Museum & Gallery are delighted to invite tenders from professionals in the following disciplines: Access, Archaeology, Acoustics, Building Control,  Exhibition Design & Interpretation, Fire & Smoke, Rectified Photography, Scaffold design.

( Click to download)  

• Access BMG RIBA4 Access Brief  + Supporting document

• Archaeology  BMG Archaeology Brief.docx +Supporting Image 

• Acoustics   ITT Acoustics Brief.docx  +Supporting image 1, Image 2, Image 3

• Building Control  ITT Building Control Services Brief.docx     

• Exhibition Design & Interpretation . Briefing doc.  Supporting Doc 1,  Doc 2,  Doc 3

• Fire & Smoke   + Supporting document

• Rectified Photography BMG RIBA4 Rectified Photography.docx  

• Scaffold Design BMG RIBA4 Scaffolding Design Briefs.docx  +Supporting documents One, Two, Three, and  Four

 Architect drawings can be provided on request for individual tenders as appropriate. Please email Amanda Gerry, Northumberland Hall Capital Project Manager agerry@icloud.com  

Tender Details: 

Tender Details: 

• Deadline: Wednesday 17th December 2025, 10:00am 

• Tender Fee: See individual tenders  

• Location: Northumberland Hall, Alnwick, Northumberland 

• Shortlisting: 21st–22nd December 2025 

• Interviews: 6th–8th January 2026 (in person in Alnwick or via Microsoft Teams) 
• Interviews: Exhibition and Interpretation Design and Fit out only Thursday 15th January 2026 in person in Alnwick.

• Appointments Commence: Monday 19th January 2026 (latest) 

Site Visits: By appointment  on request only with Amanda Gerry  at ajgerry@icloud.com (Exhibition and Interpretation Design and Fit out only) to be held on Tuesday 9th December 2025ff rom 12.30 - 4.00pm.

Successful appointees will work collaboratively within the RIBA Stage 4 programme, providing written reports to support the work of the Design Team and Principal Contractor. All appointments are subject to approval by The National Lottery Heritage Fund. 

All appointments subject to National Lottery Heritage Fund approval.