Award

WHC - Extensions to four properties to facilitate independent living

WELWYN HATFIELD BOROUGH COUNCIL

This public procurement record has 2 releases in its history.

Award

13 Feb 2026 at 11:34

UK7 - Contract Details Notice
Tender

17 Oct 2025 at 11:25

UK4 - Tender Notice
Summary of the contracting process

The procurement process led by Welwyn Hatfield Borough Council involves extensions to four properties to facilitate independent living. With an industry focus on building extension works, this project encompasses locations in Welwyn Garden City, Welwyn, Woolmer Green, and Knebworth—all based in the United Kingdom. Currently, the project is in the Award stage, following an initial Tender phase which closed on 7th November 2025, with the contract start slated for 16th February 2026, aiming for completion by 17th August 2026. Welwyn Hatfield Borough Council is the contracting authority overseeing this open competition procurement to find appropriate contractors for these works under the legal framework UKPGA 2023/54.

This tender presents significant opportunities for businesses specialising in construction and property refurbishment services to expand their portfolios within public sector contracts and establish partnerships with reputable local authorities. The project, with a gross value of £578,124.04, requires businesses capable of executing complex construction tasks within diverse environments to meet the Council’s design specifications and support independent living initiatives. Large-scale contractors such as DSN Property Developments Limited have already been involved, suggesting that companies with similar capabilities and experience in delivering high-quality, adaptive property solutions are well-positioned to compete for similar future opportunities outlined under open competitions held by regional councils like Welwyn Hatfield.

Find more tenders on our Open Data Platform.
How relevant is this notice?

D3 Tenders Premium

Win More Public Sector Contracts

AI-powered tender discovery, pipeline management, and market intelligence — everything you need to grow your public sector business.

Start Free Trial Book a Demo
All Features Pricing

Notice Information

Notice Title

WHC - Extensions to four properties to facilitate independent living

Notice 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.

Notice Details

Publication & Lifecycle

Open Contracting ID
ocds-h6vhtk-05cebe
Publication Source
Find A Tender Service
Latest Notice
https://www.find-tender.service.gov.uk/Notice/013333-2026
Current Stage
Award
All Stages
Tender, Award

Procurement Classification

Notice Type
UK7 - Contract Details Notice
Procurement Type
Standard
Procurement Category
Works
Procurement Method
Open
Procurement Method Details
Below threshold - open competition
Tender Suitability
Not specified
Awardee Scale
Large

Common Procurement Vocabulary (CPV)

CPV Divisions

45 - Construction work

CPV Codes

45262800 - Building extension work

Notice Value(s)

Tender Value
£375,000 £100K-£500K
Lots Value
£375,000 £100K-£500K
Awards Value
Not specified
Contracts Value
£481,770 £100K-£500K

Notice Dates

Publication Date
13 Feb 20261 weeks ago
Submission Deadline
7 Nov 2025Expired
Future Notice Date
Not specified
Award Date
13 Feb 20261 weeks ago
Contract Period
16 Feb 2026 - 17 Aug 2026 6-12 months
Recurrence
Not specified

Notice Status

Tender Status
Complete
Lots Status
Complete
Awards Status
Active
Contracts Status
Active

Buyer & Supplier

Contracting Authority (Buyer)

Main Buyer
WELWYN HATFIELD BOROUGH COUNCIL
Contact Name
Not specified
Contact Email
procurement@welhat.gov.uk
Contact Phone
Not specified

Buyer Location

Locality
WELWYN GARDEN CITY
Postcode
AL8 6AE
Post Town
St Albans
Country
England
Major Region (ITL 1)
TLH East (England)
Basic Region (ITL 2)
TLH2 Bedfordshire and Hertfordshire
Small Region (ITL 3)
TLH26 North and East Hertfordshire
Delivery Location
Not specified
Local Authority
Welwyn Hatfield
Electoral Ward
Handside
Westminster Constituency
Welwyn Hatfield

Supplier Information

Number of Suppliers
1
Supplier Name

DSN PROPERTY DEVELOPMENTS

Further Information

Notice Documents

Open Contracting Data Standard (OCDS)

View full OCDS Record for this contracting process

Download

The Open Contracting Data Standard (OCDS) is a framework designed to increase transparency and access to public procurement data in the public sector. It is widely used by governments and organisations worldwide to report on procurement processes and contracts. 

{
    "tag": [
        "compiled"
    ],
    "id": "ocds-h6vhtk-05cebe-2026-02-13T11:34:20Z",
    "date": "2026-02-13T11:34:20Z",
    "ocid": "ocds-h6vhtk-05cebe",
    "initiationType": "tender",
    "parties": [
        {
            "id": "GB-PPON-PYHY-6394-TBPP",
            "name": "Welwyn Hatfield Borough Council",
            "identifier": {
                "scheme": "GB-PPON",
                "id": "PYHY-6394-TBPP"
            },
            "address": {
                "streetAddress": "The Council Offices",
                "locality": "Welwyn Garden City",
                "postalCode": "AL8 6AE",
                "country": "GB",
                "countryName": "United Kingdom",
                "region": "UKH23"
            },
            "contactPoint": {
                "email": "procurement@welhat.gov.uk"
            },
            "roles": [
                "buyer"
            ],
            "details": {
                "classifications": [
                    {
                        "id": "publicAuthoritySubCentralGovernment",
                        "scheme": "UK_CA_TYPE",
                        "description": "Public authority - sub-central government"
                    }
                ]
            }
        },
        {
            "id": "GB-FTS-174415",
            "name": "DSN Property Developments Limited",
            "address": {
                "streetAddress": "112 Mildmay Road",
                "locality": "Stevenage",
                "postalCode": "sg1 5sw",
                "country": "GB",
                "countryName": "United Kingdom",
                "region": "UKH23"
            },
            "contactPoint": {
                "email": "enquiries@dsnproperty.co.uk"
            },
            "roles": [
                "supplier"
            ],
            "details": {
                "scale": "large",
                "vcse": false
            }
        }
    ],
    "buyer": {
        "id": "GB-PPON-PYHY-6394-TBPP",
        "name": "Welwyn Hatfield Borough Council"
    },
    "tender": {
        "id": "C1162",
        "legalBasis": {
            "id": "2023/54",
            "scheme": "UKPGA",
            "uri": "https://www.legislation.gov.uk/ukpga/2023/54/contents"
        },
        "title": "WHC - Extensions to four properties to facilitate independent living",
        "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.",
        "status": "complete",
        "items": [
            {
                "id": "1",
                "additionalClassifications": [
                    {
                        "scheme": "CPV",
                        "id": "45262800",
                        "description": "Building extension work"
                    }
                ],
                "relatedLot": "1"
            }
        ],
        "value": {
            "amountGross": 450000,
            "amount": 375000,
            "currency": "GBP"
        },
        "procurementMethod": "open",
        "procurementMethodDetails": "Below threshold - open competition",
        "mainProcurementCategory": "works",
        "aboveThreshold": false,
        "submissionMethodDetails": "http://www.supplyhertfordshire.uk/",
        "submissionTerms": {
            "electronicSubmissionPolicy": "allowed"
        },
        "tenderPeriod": {
            "endDate": "2025-11-07T12:00:00+00:00"
        },
        "enquiryPeriod": {
            "endDate": "2025-10-24T12:00:00+01:00"
        },
        "lots": [
            {
                "id": "1",
                "status": "complete",
                "value": {
                    "amountGross": 450000,
                    "amount": 375000,
                    "currency": "AED"
                },
                "contractPeriod": {
                    "startDate": "2025-12-02T00:00:00+00:00",
                    "endDate": "2026-06-30T23:59:59+01:00"
                },
                "awardCriteria": {
                    "description": "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."
                }
            }
        ],
        "documents": [
            {
                "id": "L-1",
                "documentType": "biddingDocuments",
                "description": "All tender documents are available through the web address above.",
                "url": "http://www.supplyhertfordshire.uk/"
            },
            {
                "id": "066278-2025",
                "documentType": "tenderNotice",
                "noticeType": "UK4",
                "description": "Tender notice on Find a Tender",
                "url": "https://www.find-tender.service.gov.uk/Notice/066278-2025",
                "datePublished": "2025-10-17T12:25:45+01:00",
                "format": "text/html"
            }
        ]
    },
    "language": "en",
    "awards": [
        {
            "id": "1",
            "status": "active",
            "mainProcurementCategory": "works",
            "suppliers": [
                {
                    "id": "GB-FTS-174415",
                    "name": "DSN Property Developments Limited"
                }
            ],
            "items": [
                {
                    "id": "1",
                    "additionalClassifications": [
                        {
                            "scheme": "CPV",
                            "id": "45262800",
                            "description": "Building extension work"
                        }
                    ],
                    "relatedLot": "1"
                }
            ],
            "relatedLots": [
                "1"
            ]
        }
    ],
    "contracts": [
        {
            "id": "1",
            "awardID": "1",
            "title": "WHC - Extensions to four properties to facilitate independent living",
            "status": "active",
            "period": {
                "startDate": "2026-02-16T00:00:00+00:00",
                "endDate": "2026-08-17T23:59:59+01:00"
            },
            "value": {
                "amountGross": 578124.04,
                "amount": 481770.04,
                "currency": "GBP"
            },
            "aboveThreshold": false,
            "dateSigned": "2026-02-13T00:00:00+00:00",
            "documents": [
                {
                    "id": "013333-2026",
                    "documentType": "contractNotice",
                    "noticeType": "UK7",
                    "description": "Contract details notice on Find a Tender",
                    "url": "https://www.find-tender.service.gov.uk/Notice/013333-2026",
                    "datePublished": "2026-02-13T11:34:20Z",
                    "format": "text/html"
                }
            ]
        }
    ]
}