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Official procurement procedure
Harman and Iselden House Fire Safety and Compliance Works
No classification published
Location not published
Published value
Not published
Submission deadline Not published
Lots published1
Procurement Executive Summary
AI & Search Synopsis
Generated from official OCDS record
Tenderline Synopsis: The Mayor and Commonalty and Citizens of the City of London: "Harman and Iselden House Fire Safety and Compliance Works". Published status: complete. Published value: Value not published. 1 published lot. Submission deadline not published. See the official notice for participation instructions.
| Contracting Authority | The Mayor and Commonalty and Citizens of the City of London | Scope & Categories | Not published | Submission Window | complete No deadline published |
|---|---|---|---|---|---|
| Submission Gateway | Direct notice route | Legal Basis & Regime | Standard procurement | Estimated Value (exc. VAT) | Not published |
Bidder Intelligence · Authority Profile: The Mayor and Commonalty and Citizens of the City of London
Market Analytics
Derived from OCDS awards & bid statistics
Published history for The Mayor and Commonalty and Citizens of the City of London. These figures describe retained records, not a forecast of bids or a measure of buyer bias.
Published-to-award variance
7.9%Historical Average
Competition Density
7.3Bids / Report
Supplier ConcentrationLow Concentration
STONE TICKET LIMITEDTop vendor: 19.2% of attributable valuePayment Terms
Check noticePublished terms
Coverage: 486 active published awards; 29 bid reports (which may be per lot). Supplier values exclude multi-supplier awards, frameworks and DPS, and use GBP only. They are published award values, not payments. Published-to-award variance compares single-lot, single-award, single-supplier GBP procedures with explicitly non-framework/non-DPS status; increases remain in the average. Unpublished data stays unknown. Awarded suppliers are winners, not all bidders.
Historical Awarded Suppliers With This Authority:
| Supplier Name | Historic Awards | Attributable GBP Value |
|---|---|---|
| STONE TICKET LIMITED | 1 win | £702,893 |
| PAYE Stonework & Restoration Ltd | 1 win | £509,234 |
| Firebrand Training Limited | 1 win | £500,000 |
| Her Centre Ltd | 1 win | £466,937 |
| Currie & Brown UK Limited | 1 win | £269,200 |
Procedure terms
Contracting AuthorityThe Mayor and Commonalty and Citizens of the City of London | Procedure methodNot published | Procurement categoryNot published |
Statuscomplete | Framework / DPSNot published | CompetitionNot published |
Above thresholdNot published | Legal basisNot published | Tender period startsNot published |
Clarification deadlineNot published | Electronic submissionNot published | Submission languagesNot published |
Published3 Aug 2026, 16:22 BST | Last source update3 Aug 2026, 16:22 BST | Recurring procurementNot published |
ClassificationNot published | ||
Delivery areaLocation not published | ||
OCIDocds-h6vhtk-05491e | ||
What is being bought
The City of London Corporation (the City) invites Tenders for the provision of Harman and Iselden House Fire Safety and Compliance Works
Harman Close, Avondale Square Estate, Old Kent Road, SE1 5PB
Harman Close is a sheltered housing block situated on the Avondale Square Estate in the London Borough of Southwark. It consists of 39 large bedsit flats, eight one-bedroom flats and one two-bedroom flat built on the ground, first and second floors. There are two lifts serving all floors. All flats have their own kitchens and bathrooms, but there is also a communal lounge on the ground floor where residents can socialise.
Isleden House, Prebend Street, Islington, N1 8PP
Isleden House is made up of general needs housing and sheltered accommodation. The estate was built in 1948 by the Trustees of the London Parochial Charities. In 1953 the Trustees conveyed the property to the City of London. The estate is centred around a quiet, private courtyard and gardens and comprises of 76 flats, 33 of which are sheltered accommodation for people at the current state retirement age. Sheltered residents have access to the communal lounge.
The Corporation currently has issues with both sites in relation to the current fire alarm systems, namely that the smoke detectors do not communicate with the warden call system due to historic lack of maintenance and/or a poor standard of responsive repairs. Consequently, there are waking watches in place at both sites.
The Corporation intends to proceed with the following works at both sites (subject to Condition Survey):
• Replacement of the existing fire alarm installation with a re-designed AICO LD1 system
• Replacement of the Warden Call System supply with an open protocol Tynetec Advent XT2 system (or similar approved) ready for the digital switch over (due to happen in 2027)
• Installation of AICO environmental sensors in all dwellings
• Installation of new mechanical extraction in the individual kitchens and bathrooms in all dwellings of both blocks (subject to peak flow test results and individual surveys)
• Removal of redundant cabling in communal corridors and lobby areas to facilitate fire door installation
What changed
From the official release history
- tender value changed
3 Aug 2026, 16:22 BST - Status changed to complete
3 Aug 2026, 16:22 BST - Official notice release published
3 Aug 2026, 16:22 BST - Submission deadline changed to published date
3 Aug 2026, 16:22 BST - Published value updated to £650,000
16 Jun 2025, 11:34 BST - Status changed to active
16 Jun 2025, 11:34 BST - Official notice release published
16 Jun 2025, 11:34 BST - Submission deadline changed to 14 Jul 2025, 12:00 BST
16 Jun 2025, 11:34 BST - Buyer information updated
16 Jun 2025, 11:34 BST
Lots and requirements (1)
Published by the contracting authority
- Lot 1 · #1Individual lot title not publishedcompletePublished valueNot publishedThe source published no individual title or description for this lot.Contract periodNot publishedEligibilityNot publishedOptions / renewalNot published
Timeline
- Procedure published
3 Aug 2026, 16:22 BST - Award active
Not published · Not published - Contract active
Signed 4 Dec 2025, 00:00 GMT · £692,779
Commercial outcome and competition
Awards VENTRO LTD Not published · Not published · active |
Contracts Harman and Iselden House Fire Safety and Construction £692,779 · signed 4 Dec 2025, 00:00 GMT · active Contract period: 12 Jan 2026, 00:00 GMT — 3 Jul 2026, 23:59 BST |
Bid statisticsNo aggregate bid statistics published |
Buyer and organisations in this procedure
The Mayor and Commonalty and Citizens of the City of London
Contracting authority GB-PPON-PYQD-1693-MYXRDocuments (0)
Official links; attachments are not copied
No linked documents are published
Related procedures (0)
No related procedures published