Official UK procurement notice
Windsor Estate External Redecorations and Refurbishment
Authority: Buckingham Palace (Public body)
What is being bought2 lots · detail below
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Applicants must be technically able to deliver against the contract scope as follows:
a.Delivering planned external redecorations to all the previously decorated surfaces within the estate, along with cleaning external elements such as rainwater goods.
b.Including for all necessary rubbing down, preparation, and if required, stripping down to bare metal/timber prior to works.
c.Maintain all work areas in a clean, tidy and safe condition free from oil, grease, dust and debris.
d.Allow for appropriate storage for tolls and materials. Clearing of all debris, waste and rubbish generated on site, including keeping all work areas in an orderly state.
e.Carrying out of repairs to windows/doors, and all other timber repair. Including piecing in new timber and conservation repair to match.
f.Carrying out of repairs to metal windows/doors, and any other metalwork repair. Including replacing / repairing any existing doors, windows, frames, railings, gates and any other metal fixtures to match.
g.Replacement or overhaul of windows/door of all types, to be in keeping with the architecture of the estate, as required. Leaving in full working order.
h.Replacement or overhaul of rainwater goods of all types, to be in keeping with the architecture of the estate, as required. Refixing and ensuring that falls are sufficient to shed rainwater to outlets.
i.Installing thermal upgrades to all windows, by the insertion of draft proofing.
j.Arranging for the supply and fit of secondary glazing alternatives.
k.Carrying out of masonry repairs, such as stonework in the areas where decoration works are being undertaken. Including for repointing, mortar repair, sourcing and piecing in new stone to match.
l.Acting as the Principal Contractor for Health & Safety management of the site, including CDM duties.
m.Provision of all required access arrangements to facilitate the works. Including full scaffolding, towers and mobile working platforms. Allowing for debris netting and boarding to prevent accommodation of waste in work areas.
The contract shall operate as a Framework for a 4 year period and will be split between 2 lots, contractors can apply for either lot. Each lot covers areas comprising as follows;
Lot A – 2 contractors to be appointed
•Windsor Castle (5 phase programme)
•Windsor Royal Mews (5 phase programme)
Lot B – 1 contractor to be appointed
•Home Park. Predominately residential properties, but includes Frogmore House, various stores, the gardener’s buildings and the conservation workshops. (5 phase programme)
•Hampton Court Royal Paddocks.
Works in each location will be allocated each financial year depending on available budgets. Works will usually be allocated in phased areas, but may be required for smaller areas from time to time. Contractors will be required to review allocated areas to confirm the level of work required.
The contractor will be required to arrange access with residential properties and will be required to provide security cleared staff to work throughout the contract. Contactors will be required to escort their sub-contractors at all times.
The operations of the estate will include regular events, contractors will be required to programme their works to avoid inconvenience during events. At times it will be necessary to rearrange work at short notice due to events occurring on site.
Please note, in this instance, The Royal Household has voluntarily decided to issue a Notice as the total value of works is below the threshold. This procurement process therefore is not run in accordance to Procurement Act regulations.
For more information about this opportunity, please visit the eSourcing portal at:
www.delta-esourcing.com/tenders/UK-UK-London… ↗
To respond to this opportunity, please click here:
CPV: Decoration work · Refurbishment work
How this framework works
From the published notice- Type
- Closed framework
- Call-offs
- call-offs may be awarded directly or by further competition
- Places
- up to 3 suppliers · 5 bids on the busiest of 2 lots (1.7 per place) · 3 appointed (full)
- Framework period
- 4 yrs from 1 Apr 2026
Published description of the framework
TBA
Lots and requirements (2)Procurement structure
2 lots · all with a published valueLot #1Windsor Castle and Windsor Royal MewsAwardedPublished value£3,800,000
Lot A – 2 contractors to be appointed
•Windsor Castle (5 phase programme)
•Windsor Royal Mews (5 phase programme)
Lot #2Home Park and Hampton Court Royal PaddocksAwardedPublished value£1,200,000
Lot B – 1 contractor to be appointed
•Home Park. Predominately residential properties, but includes Frogmore House, various stores, the gardener’s buildings and the conservation workshops. (5 phase programme)
•Hampton Court Royal Paddocks.
What it takes to wini
How this buyer will score bids.
The evaluation criteria and weights exactly as published on the notice, grouped by family (price, quality, social value and so on).
Evaluation split and conditions of participation as published; the tender pack may add morei
How this buyer will score bids.
The evaluation criteria and weights exactly as published on the notice, grouped by family (price, quality, social value and so on).
- “Windsor Estate External Redecorations and Refurbishment” is a framework: the contest is a place on its panel, up to 3 suppliers, not a single contract: call-offs may be direct or by further competition.
Procedure terms & legal framework
From the official record- Procedure method
- Below threshold - open competition
- Legal basis
- UKPGA · 2023/54 Procurement Act 2023
- Procurement category
- Works
- Notice status
- Awarded
- Procurement threshold
- Below threshold
- Regulatory regime
- Standard
- Commercial structure
- Framework agreement
- Who may use this agreement
- Not stated in the notice; call-off rights may be limited to the establishing authority
- Competition type
- Competitive procedure
- GPA / WTO covered
- Unspecified in notice
- Recurring procurement
- Unspecified in notice
- First published
- 19 Nov 2025, 16:05 GMT
- Last source update
- 27 May 2026, 17:23 BST
- Authority reference
0058 PPTO- FTS notice number
2025/S 000-075375- Latest notice
- Contract award notice (UK6)
- Classification (CPV)
- Delivery area
- Official registry OCID
ocds-h6vhtk-05e4b8Find a Tender
How it was run
Official notice- Appointment period ends
- 6 Feb 2026, 11:00 GMT
- Clarification deadline
- 26 Jan 2026, 11:00 GMT
- Submission channel
- Official e-sourcing portal
- Electronic submission
- Allowed
Contract Ref. 994522736
Opening Date: 19/11/2025 13:00
Closing Date : 15/12/2025 11:00
Tenderers will need to sign up to the Royal Household's e-Sourcing platform, Delta, in order to receive the PSQ and Tender and able to submit clarification questions and tender returns.
Sign up link: www.delta-esourcing.com/delta/signup.html ↗.
Access Code : 27S668S3SN
Tenderers will need to be registered on the Central Digital Platform (CDP) in order to complete the PSQ. The CDP is free to use and will mean tenderers should no longer have to re-enter this information for each public procurement. The CDP is available at www.gov.uk/find-tender ↗.
Timeline
19 Nov 2025 → 27 May 2026 · 5 dates- Tender notice published337 days ago19 Nov 2025, 16:05 GMT
- Clarification questions by269 days ago26 Jan 2026, 11:00 GMT
- Admission / appointment period ends258 days ago · period end, not a bid countdown6 Feb 2026, 11:00 GMT
- Contract starts204 days ago1 Apr 2026, 00:00 BST
- Latest notice published148 days ago27 May 2026, 17:23 BST
Notice history
4 events · 2 releases on Find a Tender · since 19 Nov 2025- Tender notice published19 Nov 2025, 16:05 GMTUK4
- Contract award notice published27 May 2026, 17:23 BSTUK6
- Status changed to complete27 May 2026, 17:23 BST
- Contract signature expected7 Jun 2026, 23:59 BSTscheduled
Commercial outcome & contract awards
Published awards, contracts and bid statistics, not a forecast| Awarded to | Value | Date | Status |
|---|---|---|---|
| Lot 1 · Windsor Castle and Windsor Royal Mews1 award | |||
| Thomas Sinden LimitedSME, Trident Maintenance Services LtdSMEEx Decs Fwk Lot A: Windsor Castle and Windsor Royal Mews8 Jun 2026 – 7 Jun 2030 | £3,800,000 inc. VAT | 27 May 2026 | Awarded |
| Lot 2 · Home Park and Hampton Court Royal Paddocks1 award | |||
| IAN WILLIAMSEx Decs Fwk Lot B: Home Park and Hampton Court Royal Paddocks8 Jun 2026 – 7 Jun 2030 | £1,200,000 inc. VAT | 27 May 2026 | Awarded |
Bid statistics published by the authority
| Lot | Bids | SME | VCSE | Valid bid range |
|---|---|---|---|---|
| 1 · Windsor Castle and Windsor Royal Mews | 5final-stage tenders · 6 at stage one | 4 | 0 | — |
| 2 · Home Park and Hampton Court Royal Paddocks | 3final-stage tenders | 2 | 0 | — |
Contracting authority & participating public bodies
Framework contractors & participating bidders
3 commercial parties on the notice- Ian Williams LtdFramework contractor
- Thomas Sinden LtdFramework contractor
- Trident Maintenance Service LtdFramework contractor
Official documents & specifications (3)
Official links; attachments are not copiedNotices published for this procedure
- Contract award notice Contract award notice on Find a Tender
- Contract award notice Contract award notice on Find a Tender
- Tender notice Tender notice on Find a Tender