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Construction Contract Leads

Scope

Reference

DN807967

Description

The council intends to appoint a provider to deliver an ongoing window replacement programme for its low rise housing stock (up to four storeys), primarily during the spring and summer months. Works may be carried out simultaneously across multiple nearby streets or blocks and will include the replacement or repair of windows, balcony doors, entrance doors, and related building fabric elements.

In addition, Bristol City Council requires window servicing for several high rise buildings (five storeys and above), with works taking place across the city. The scope includes, but is not limited to:

1. Scaffolding installation and management

2. UPVC, timber, and aluminium window and door replacement

3. Spandrel panel replacement

4. Window and door repairs

5. Window servicing across applicable properties

Commercial tool

Establishes a framework

Total value (estimated)

• 拢20,000,000 excluding VAT
• 拢24,000,000 including VAT

Above the relevant threshold

Contract dates (estimated)

• 3 August 2026 to 2 August 2030
• 4 years

Main procurement category

Works

CPV classifications

• 44221000 - Windows, doors and related items
• 45421100 - Installation of doors and windows and related components

Contract locations

• UKK11 - Bristol, City of

Lot 1. Lot 1: SOR's for UPVC

Description

For the purpose of supplying and installing new UPVC windows across a range of properties, including 2-4 storey low鈥憆ise blocks managed by Landlord Services. The top 3 scoring providers will be admitted to this lot.

Works that can be priced using the provided NHF Schedule of Rates (SORs) will be issued as direct awards to the 3 providers in ranked order. The lot is ranked (1)(2)(3) based on the weightings let at time of framework tender and is anticipated to receive the following percentage of anticipated value of work across the lot. Rank 1: 50%, Rank 2: 30%, Rank 3: 20%

Weightings for lot 1: 60% price, 20% quality, 20% social value (18% quantitative + 2% Qualitative Delivery Plan)

Lot value (estimated)

• 拢1,800,000 excluding VAT
• 拢2,160,000 including VAT

Framework lot values may be shared with other lots

Same for all lots

CPV classifications, contract locations and contract dates are shown in the Scope section, because they are the same for all lots.

Lot 2. Lot 2: Timber & other

Description

For the purpose of carrying out sash and full window replacements. Any non-like鈥慺or鈥憀ike work will require Planning Department approval before starting. The top 4 scoring providers will be admitted to this lot.

Lot 2 of this framework will be awarded and managed through mini鈥慶ompetitions. Successful suppliers appointed to Lot 2 will be invited to take part in individual mini鈥慶ompetitions as requirements arise. For each mini鈥慶ompetition, Bristol City Council will issue a specification, evaluation criteria, and submission deadlines. Work will be awarded based on the outcome of each mini鈥慶ompetition rather than a direct call鈥憃ff.

Weightings for Lot 2: 60% price, 32% quality and 8% social value

Lot value (estimated)

• 拢200,000 excluding VAT
• 拢240,000 including VAT

Framework lot values may be shared with other lots

Same for all lots

CPV classifications, contract locations and contract dates are shown in the Scope section, because they are the same for all lots.

Lot 3. Lot 3: Window Servicing

Description

For the purpose of undertaking window servicing works on a 5 year rolling programme across 62 high rise blocks. The top 3 scoring providers will be admitted to this lot.

Works that can be priced using the provided NHF Schedule of Rates (SORs) will be issued as direct awards to the 3 providers in ranked order. Each new order is offered to the first ranked provider in the sequence; if a provider is unable to accept, the offer moves to the next ranked provider.

Weightings for lot 3: 60% price, 32% quality and 8% social value

Lot value (estimated)

• 拢100,000 excluding VAT
• 拢120,000 including VAT

Framework lot values may be shared with other lots

Same for all lots

CPV classifications, contract locations and contract dates are shown in the Scope section, because they are the same for all lots.

Framework

Maximum number of suppliers

10

Maximum percentage fee charged to suppliers

0%

Further information about fees

no fees to join framework

Justification for framework term over 4 years

n/a - framework contract term will not exceed 4 years

Framework operation description

Lot Overview

Lot 1: SOR's for UPVC: For the purpose of supplying and installing new UPVC windows across a range of properties, including 2-4 storey low鈥憆ise blocks managed by Landlord Services. The top 3 scoring providers will be admitted to this lot.

Lot 2: Timber & other: For the purpose of carrying out sash and full window replacements. Any non-like鈥慺or鈥憀ike work will require Planning Department approval before starting. The top 4 scoring providers will be admitted to this lot.

Lot 3: Window Servicing: For the purpose of undertaking window servicing works on a 5 year rolling programme across 62 high rise blocks. The top 3 scoring providers will be admitted to this lot.

Weighting Breakdown per Lot

The council will evaluate on the basis of what is the most advantageous bid, which will consist of criteria made up of the following for each lot:

Lot 1: 60% price, 20% quality, 20% social value (18% quantitative + 2% Qualitative Delivery Plan).

Lot 2: 60% price, 32% quality and 8% social value.

Lot 3: 60% price, 32% quality and 8% social value.

Scores will be awarded in accordance with the standard Bristol City Council Scoring Matrix, to which weightings and sub weightings will be applied.

Award method when using the framework

Either with or without competition

Contracting authorities that may use the framework

Establishing party only

Participation

Technical ability conditions of participation

Lot 1. Lot 1: SOR's for UPVC

Lot 2. Lot 2: Timber & other

Lot 3. Lot 3: Window Servicing

Suppliers must have a valid certification with FENSA or CERTASS (or equivalent) for the installation of windows and doors in residential properties.

Submission

Enquiry deadline

22 May 2026, 11:59pm

Tender submission deadline

29 May 2026, 12:00pm

Submission address and any special instructions

Tenders may be submitted electronically

Yes

Languages that may be used for submission

English

Award decision date (estimated)

6 July 2026

Award criteria

Other information

Conflicts assessment prepared/revised

Yes

Procedure

Procedure type

Open procedure

Contracting authority

Bristol City Council

• Public Procurement Organisation Number: PWXH-3837-PDTD

City Hall, College Green

Bristol

BS1 5TR

United Kingdom

Email: ella.clarke [at] bristol.gov.uk

Website:

Region: UKK11 - Bristol, City of

Organisation type: Public authority - sub-central government