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ClosedFind a Tender · UK4

Window Cleaning

Buyer: Karbon Homes →

Participate on app.panacea-software.com ↗External submission platform

BuyerKarbon Homes
StatusClosed
Deadline21 Jul 2026
Value£375,000
Published25 Jun 2026

What is being bought

Karbon Homes is seeking to appoint suitably qualified and experienced contractors to deliver a high-quality, reliable window cleaning service across its residential and corporate property portfolio. The contract will cover the provision of window cleaning services to: • Residential communal properties • Office buildings • Other premises accessed by staff, customers, or members of the public The services shall include, but are not limited to: • Cleaning of all accessible windows and associated glass surfaces • Provision of all necessary labour, equipment, and cleaning materials • Use of appropriate cleaning methods, including water-fed pole systems where applicable Prior to contract commencement, Karbon Homes will issue a detailed property schedule outlining: • Locations • Service frequencies • Property-specific requirements (where applicable) The contractor will be expected to plan and deliver services in accordance with this schedule while maintaining flexibility to respond to changing operational needs. Karbon Homes envisaged that this contract will be divided into the following Lots: LOT 1 - Northumberland LOT 2 - Newcastle, Leazes, North Tyneside LOT 3 - Durham, Gateshead, South Tyne and Teesside Bidders may submit tenders for one, multiple, or all Lots. Each Lot will be evaluated independently. All documents relating to this tender are available to download from the Panacea e-Sourcing portal. Submission Instructions: Electronically via the e-Sourcing portal. Suppliers must submit one copy of their tender electronically, with any additional documents required or requested. Documents must be compatible with Microsoft Office or Adobe/PDF. Should you require technical support with the e-Sourcing portal please email them directly at: • Email: support@panacea-software.com • Phone: 0207 976 0116 Tenders must be submitted using the above e-Sourcing portal. Tenders submitted via postal, or email methods will not be accepted.

Categories

Accommodation, building and window cleaning services 90911000

Lot details

Northumberland

A suitably qualified and experienced Service Provider required to deliver a high-quality, reliable window cleaning service across Karbon Homes' residential and corporate property portfolio for Lot 1 area.

Statusactive
Value£66,667
Contract periodFrom 1 Apr 2027 to 31 Mar 2029
SME suitabilitySuitable for SMEs

Award criteria
Price (45%)
Quality (45%)
Social Value — Social Value (10%)

Newcastle, Leazes, North Tyneside

A suitably qualified and experienced Service Provider required to deliver a high-quality, reliable window cleaning service across Karbon Homes' residential and corporate property portfolio for Lot 2 area.

Statusactive
Value£183,333
Contract periodFrom 1 Apr 2027 to 31 Mar 2029
SME suitabilitySuitable for SMEs

Award criteria
Price (45%)
Quality (45%)
Social Value — Social Value (10%)

Durham, Gateshead, South Tyne and Teesside

A suitably qualified and experienced Service Provider required to deliver a high-quality, reliable window cleaning service across Karbon Homes' residential and corporate property portfolio for Lot 3 area.

Statusactive
Value£125,000
Contract periodFrom 1 Apr 2027 to 31 Mar 2029
SME suitabilitySuitable for SMEs

Award criteria
Price (45%)
Quality (45%)
Social Value — Social Value (10%)

What is included

ItemCategoryQuantity
1Accommodation, building and window cleaning servicesNot published
2Accommodation, building and window cleaning servicesNot published
3Accommodation, building and window cleaning servicesNot published

Comparable-procurement analytics

Benchmarked against retained Find a Tender procedures with CPV division 90. The category anchor is Accommodation, building and window cleaning services (90911000); this is a deliberately broad market comparator. The comparison is shown at several levels rather than pretending one company or region is always the best benchmark.

Comparison setProceduresReported bids per procedureNamed award suppliersPrice evidence
Market: CPV division 903,0884 median · 19.4 average (968 of 3,088 with a bid count)3.1 average (1,039 of 3,088 with named award suppliers)Not published
Same buyer0Not publishedNot publishedNot published
Similar published value (0.5×–2×)3015 median · 6.9 average (14 of 301 with a bid count)1.8 average (14 of 301 with named award suppliers)Not published

“Reported bids” is an official aggregate, sometimes reported per lot; it is the closest available competition measure. “Named award suppliers” are winners, not all applicants.

Price-outcome signal

Not enough comparable procedures currently publish both a GBP tender value and a usable lowest-valid-bid value to calculate a responsible price-reduction benchmark. Tenderline deliberately does not infer a saving from named award suppliers or from missing award values.

Procurement strategy & market signals

Framework agreementNot published
Dynamic purchasing systemNot published
Competitive procurementNot published
Recurring requirementYes
Procurement method rationaleNot published
Rationale classificationsNot published
Special regimeNot published
Covered byNot published
Submission policyallowed
Selection criteriaNot published
Risk detailsNot published

Planning & early market engagement

BudgetNot published
No-engagement rationaleNot published
Planning documents0
Planning milestones0

No planning milestones published.

Related procurements

No linked framework, prior procurement or reprocurement published.

Documents & submission route

Source data inventory

Diagnostic view. “Not published” means this current release does not provide a value.

OCIDocds-h6vhtk-06aed9
Latest release ID060031-2026
Latest release timestampThu Jun 25 2026 16:08:59 GMT+0000 (Coordinated Universal Time)
Sourcefind-a-tender
Official notice URLhttps://www.find-tender.service.gov.uk/Notice/060031-2026
Tender statusactive
Procurement methodopen
Procurement method detailsOpen procedure
Main procurement categoryservices
Above thresholdYes
Legal basis2023/54
Tender period: startNot published
Tender period: end2026-07-21T11:00:00Z
Expression of interest deadlineNot published
Enquiry deadline2026-07-13T16:00:00Z
Award period: startNot published
Award period: end2026-09-04T23:59:59+01:00
Submission method detailshttps://app.panacea-software.com/KarbonHomes/eRFX-Suppliers/OpenReq.aspx?requirementId=2b034323-8be8-4c67-800a-e29c6f66ad6e
Submission languagesen
Electronic catalogue policyNot published
Total tender value£375,000
Tender lots in source3
Tender items in source3
Tender documents in source2
Awards in latest release0
Contracts in latest release0
Parties in latest release1

Notice history

DateEventReference
25 Jun 2026tender060031-2026
5 Jun 2026planning053385-2026

All source data

Unmodified official OCDS data retained by Tenderline for this procurement process.

Complete current OCDS release JSON
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Complete JSON history (2 releases)
25 Jun 2026 · 060031-2026 · tender
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    "procurementMethod": "open",
    "mainProcurementCategory": "services",
    "submissionMethodDetails": "https://app.panacea-software.com/KarbonHomes/eRFX-Suppliers/OpenReq.aspx?requirementId=2b034323-8be8-4c67-800a-e29c6f66ad6e",
    "procurementMethodDetails": "Open procedure"
  },
  "parties": [
    {
      "id": "GB-PPON-PCDL-6326-LXPW",
      "name": "Karbon Homes",
      "roles": [
        "buyer"
      ],
      "address": {
        "region": "UKC22",
        "country": "GB",
        "locality": "Newcastle upon Tyne",
        "postalCode": "NE12 8EG",
        "countryName": "United Kingdom",
        "streetAddress": "5 Gosforth Park, Gosforth Business Park"
      },
      "details": {
        "url": "https://www.karbonhomes.co.uk",
        "classifications": [
          {
            "id": "publicAuthoritySubCentralGovernment",
            "scheme": "UK_CA_TYPE",
            "description": "Public authority - sub-central government"
          }
        ]
      },
      "identifier": {
        "id": "PCDL-6326-LXPW",
        "scheme": "GB-PPON"
      },
      "contactPoint": {
        "name": "Ewa Szabados",
        "email": "Ewa.Szabados@karbonhomes.co.uk",
        "telephone": "+44 1912238594"
      }
    }
  ],
  "language": "en",
  "initiationType": "tender"
}
5 Jun 2026 · 053385-2026 · planning
{
  "id": "053385-2026",
  "tag": [
    "planning"
  ],
  "date": "2026-06-05T14:24:19+01:00",
  "ocid": "ocds-h6vhtk-06aed9",
  "buyer": {
    "id": "GB-PPON-PCDL-6326-LXPW",
    "name": "Karbon Homes"
  },
  "tender": {
    "id": "202605-GS20",
    "lots": [
      {
        "id": "1",
        "status": "planning",
        "hasRenewal": true,
        "description": null,
        "suitability": {
          "sme": true
        },
        "contractPeriod": {
          "endDate": "2029-03-31T23:59:59+01:00",
          "startDate": "2027-04-01T00:00:00Z",
          "maxExtentDate": "2031-03-31T23:59:59+01:00"
        }
      }
    ],
    "items": [
      {
        "id": "1",
        "relatedLot": "1",
        "deliveryAddresses": [
          {
            "region": "UKE",
            "country": "GB",
            "countryName": "United Kingdom"
          },
          {
            "region": "UKC",
            "country": "GB",
            "countryName": "United Kingdom"
          }
        ],
        "additionalClassifications": [
          {
            "id": "90910000",
            "scheme": "CPV",
            "description": "Cleaning services"
          }
        ]
      }
    ],
    "title": "Window Cleaning",
    "value": {
      "currency": "GBP",
      "amountGross": 450000
    },
    "status": "planning",
    "legalBasis": {
      "id": "2023/54",
      "uri": "https://www.legislation.gov.uk/ukpga/2023/54/contents",
      "scheme": "UKPGA"
    },
    "description": "Karbon Homes is seeking to appoint suitably qualified and experienced contractors to deliver a high-quality, reliable window cleaning service across its residential and corporate property portfolio.\nThe contract will cover the provision of window cleaning services to:\n•\tResidential communal properties\n•\tOffice buildings\n•\tOther premises accessed by staff, customers, or members of the public\nThe services shall include, but are not limited to:\n•\tCleaning of all accessible windows and associated glass surfaces\n•\tProvision of all necessary labour, equipment, and cleaning materials\n•\tUse of appropriate cleaning methods, including water-fed pole systems where applicable\nPrior to contract commencement, Karbon Homes will issue a detailed property schedule outlining:\n•\tLocations\n•\tService frequencies\n•\tProperty-specific requirements (where applicable)\nThe contractor will be expected to plan and deliver services in accordance with this schedule while maintaining flexibility to respond to changing operational needs.\nKarbon Homes envisaged that this contract will be divided into the following Lots:\nLOT 1 - Northumberland\nLOT 2 - Newcastle, Leazes, North Tyneside\nLOT 3 - Durham, Gateshead, South Tyne and Teesside\nBidders may submit tenders for one, multiple, or all Lots. Each Lot will be evaluated independently.\nAll documents relating to this tender are available to download from the Panacea e-Sourcing portal.\nSubmission Instructions:\nElectronically via the e-Sourcing portal. Suppliers must submit one copy of their tender electronically, with any additional documents required or requested. Documents must be compatible with Microsoft Office or Adobe/PDF.\nShould you require technical support with the e-Sourcing portal please email them directly at:\n•\tEmail: support@panacea-software.com\n•\tPhone: 0207 976 0116\nTenders must be submitted using the above e-Sourcing portal. Tenders submitted via postal, or email methods will not be accepted.",
    "communication": {
      "futureNoticeDate": "2026-06-17T23:59:59+01:00"
    },
    "aboveThreshold": true,
    "mainProcurementCategory": "services"
  },
  "parties": [
    {
      "id": "GB-PPON-PCDL-6326-LXPW",
      "name": "Karbon Homes",
      "roles": [
        "buyer"
      ],
      "address": {
        "region": "UKC22",
        "country": "GB",
        "locality": "Newcastle upon Tyne",
        "postalCode": "NE12 8EG",
        "countryName": "United Kingdom",
        "streetAddress": "5 Gosforth Park, Gosforth Business Park"
      },
      "details": {
        "classifications": [
          {
            "id": "publicAuthoritySubCentralGovernment",
            "scheme": "UK_CA_TYPE",
            "description": "Public authority - sub-central government"
          }
        ]
      },
      "identifier": {
        "id": "PCDL-6326-LXPW",
        "scheme": "GB-PPON"
      },
      "contactPoint": {
        "name": "Ewa Szabados",
        "email": "Ewa.Szabados@karbonhomes.co.uk"
      }
    }
  ],
  "language": "en",
  "planning": {
    "documents": [
      {
        "id": "053385-2026",
        "url": "https://www.find-tender.service.gov.uk/Notice/053385-2026",
        "format": "text/html",
        "noticeType": "UK2",
        "description": "Preliminary market engagement notice on Find a Tender",
        "documentType": "marketEngagementNotice",
        "datePublished": "2026-06-05T14:24:19+01:00"
      }
    ],
    "milestones": [
      {
        "id": "engagement",
        "type": "engagement",
        "status": "scheduled",
        "dueDate": "2026-06-12T23:59:59+01:00",
        "description": "Karbon Homes has issued an information document outlining the service scope, delivery areas, and proposed timeline for the upcoming tender.\nAll interested parties are invited to review the PME information document and complete the response form via the Panacea e-portal.\nThe deadline for submissions is Friday, 12 June 2026 at 5:00 PM."
      }
    ]
  },
  "initiationType": "tender"
}