Find a TenderAwardedContract details notice
Published 17 Oct 2025, 12:25 BST

Official UK procurement notice

WHC - Extensions to four properties to facilitate independent living

Official notice

Authority: Welwyn Hatfield Borough Council (Local council)

WorksBelow threshold - open competitionBelow threshold
Sectors: Construction & Civil Engineering (45) Delivery: Delivery location not published
Published estimate£375,000£450,000 inc. VAT28.5% above published estimate
Submissions closed 7 Nov 2025awarded 13 Feb 2026
Awarded to D S N Property Developments Limited
Contract term 7 moends 30 Jun 2026 · starts 2 Dec 2025

What is being bought

Published requirement description

The Council is seeking to appoint a Contractor to undertake Works to build extensions at four Council properties.

The planning and designs have already been prepared by a designer appointed by the Council and the designs and plans are contained in Schedule 6 of this tender to assist bidders with preparing and submitting tenders. The Council’s appointed designer will assist the Council with any further design requirements and the Contractor shall only be required to undertake building works in accordance with approved plans and designs.

The contract will be for four extensions to existing council properties, summarised as:

  1. 10 Longlands, Welwyn Garden City, Herts, AL7 3QB Extension, refurbishment and alteration of an existing property to facilitate the provision of an new accessible living and sleeping space.
  2. 16 Windsor Road, Welwyn, Herts, AL6 9J Extension, refurbishment and alteration of an existing property to facilitate the provision of a new downstairs WC cloakroom facility.
  3. 17 Broadfield, Woolmer Green, Knebworth, Herts, SG3 6LZ The extension, refurbishment, alteration and adaptation to provide additional living facilities including but not limited to; complete extension, external landscaping, kitchen alterations, bathroom or wetroom alterations, refurbishment of existing spaces.
  4. 137 Boundary Lane, Welwyn Garden City, Herts, AL7 4EQ Extension, garage conversion refurbishment and alteration of an existing property to facilitate the provision of a new accessible wetroom, living and sleeping space.

CPV: Building extension work

The lotProcurement structure

single lot · value published
Lot #1Awarded 7 moPublished value£375,000
Contract period: 2 Dec 2025 – 30 Jun 2026 (7 mo)Value: £375,000 exc. VAT · £450,000 inc. VAT

What it takes to win
i

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 more
How bids were scored

Lot awarding rule: Full details are in the tender documents. Conditions of participation are in the tender documents. Tenders will be evaluated on 30% Price and 70% Quality.

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
Stand-alone contract (no framework)
Competition type
Competitive procedure
GPA / WTO covered
Unspecified in notice
Recurring procurement
Unspecified in notice
First published
17 Oct 2025, 12:25 BST
Last source update
13 Feb 2026, 11:34 GMT
Authority reference
C1162
FTS notice number
2025/S 000-066278
Latest notice
Contract details notice (UK7)
Classification (CPV)
Building extension work
Delivery area
Not published
Official registry OCID
ocds-h6vhtk-05cebe Find a Tender

How it was run

Official notice
Run through: portal not identified
Electronic submission allowed
Submission deadline
7 Nov 2025, 12:00 GMT
Clarification deadline
24 Oct 2025, 12:00 BST
Submission channel
Official e-sourcing portal
Electronic submission
Allowed
Detailed submission instructions & authority contactsFrom official release

Timeline

17 Oct 2025 → 13 Feb 2026 · 5 dates
  1. Tender notice published377 days ago
    17 Oct 2025, 12:25 BST
  2. Clarification questions by370 days ago
    24 Oct 2025, 12:00 BST
  3. Submission deadline356 days ago
    7 Nov 2025, 12:00 GMT
  4. Contract starts331 days ago
    2 Dec 2025
  5. Latest notice published258 days ago
    13 Feb 2026, 11:34 GMT

Notice history

3 events · 2 releases on Find a Tender · since 17 Oct 2025
  1. Tender notice published
    17 Oct 2025, 12:25 BST
    UK4
  2. Contract details notice published
    13 Feb 2026, 11:34 GMT
    UK7
  3. Status changed to complete
    13 Feb 2026, 11:34 GMT

Commercial outcome & contract awards

Published awards, contracts and bid statistics, not a forecast
Awards 1
Awarded value £481,7701 contract exc. VAT
Contracts signed 1latest 13 Feb 2026
Awarded toValueDateStatus
D S N Property Developments Limited£481,770 †—Awarded

Contracts

  • WHC - Extensions to four properties to facilitate independent living · D S N Property Developments Limited

    Signed
    13 Feb 2026
    Value
    £481,770
    Period
    16 Feb 2026 – 17 Aug 2026
    Status
    active

Contracting authority & participating public bodies

Welwyn Hatfield Borough Council

Contracting authorityPublic authority - sub-central government GB-PPON: PYHY-6394-TBPP The Council Offices, Welwyn Garden City, East of England, AL8 6AEContact email

Bidders & participating suppliers

1 commercial party on the notice

Official documents & specifications (3)

Official links; attachments are not copied

Tender pack and attachments

Notices published for this procedure

  • Contract details notice contractContract details noticeUK7Contract details notice on Find a Tender
  • Tender notice tenderTender noticeUK4Tender notice on Find a Tender