Contract

Lansdowne Green Window Replacement

  • Southern Housing

F03: Contract award notice

Notice identifier: 2026/S 000-011833

Procurement identifier (OCID): ocds-h6vhtk-0469d8 (view related notices)

Published 10 February 2026, 12:31pm



Section one: Contracting authority

one.1) Name and addresses

Southern Housing

59-61 Clerkenwell Road

London

EC1M 5LA

Contact

Procurement Team

Email

procurement@effefftee.co.uk

Country

United Kingdom

NUTS code

UKI - London

Internet address(es)

Main address

http://www.southernhousing.org.uk

Buyer's address

https://www.mytenders.co.uk/search/Search_AuthProfile.aspx?ID=AA8521

one.4) Type of the contracting authority

Body governed by public law

one.5) Main activity

Housing and community amenities


Section two: Object

two.1) Scope of the procurement

two.1.1) Title

Lansdowne Green Window Replacement

two.1.2) Main CPV code

  • 45421132 - Installation of windows

two.1.3) Type of contract

Works

two.1.4) Short description

Installation of windows within properties owned and managed by Southern Housing. The duration of the works is four years. The estimated total contract value is 5,126,000 GBP, excluding VAT.

two.1.6) Information about lots

This contract is divided into lots: No

two.1.7) Total value of the procurement (excluding VAT)

Value excluding VAT: £4,876,229.23

two.2) Description

two.2.2) Additional CPV code(s)

  • 45421132 - Installation of windows
  • 45421131 - Installation of doors
  • 45421100 - Installation of doors and windows and related components

two.2.3) Place of performance

NUTS codes
  • UKI - London
Main site or place of performance

Lansdowne Green Estate, Lambeth, London

two.2.4) Description of the procurement

The scope of services are as follows:

The works will be around occupied properties & communal areas consisting of:

- Replacement of windows,

- Replacement of Balcony doors,

- Replacement of Dwelling Patio doors,

- Clear out, repair, realign/ seal joints, to rainwater gutters and down pipes as needed

two.2.5) Award criteria

Quality criterion - Name: Method Statements / Weighting: 60

Price - Weighting: 40

two.2.11) Information about options

Options: No

two.2.13) Information about European Union Funds

The procurement is related to a project and/or programme financed by European Union funds: No


Section four. Procedure

four.1) Description

four.1.1) Type of procedure

Open procedure

four.1.8) Information about the Government Procurement Agreement (GPA)

The procurement is covered by the Government Procurement Agreement: Yes

four.2) Administrative information

four.2.1) Previous publication concerning this procedure

Notice number: 2024/S 000-016234


Section five. Award of contract

Contract No

1

A contract/lot is awarded: Yes

five.2) Award of contract

five.2.1) Date of conclusion of the contract

24 March 2025

five.2.2) Information about tenders

Number of tenders received: 8

Number of tenders received from SMEs: 3

Number of tenders received from tenderers from other EU Member States: 8

Number of tenders received from tenderers from non-EU Member States: 0

Number of tenders received by electronic means: 8

The contract has been awarded to a group of economic operators: No

five.2.3) Name and address of the contractor

Cosyseal (Double Glazing) Limited

Unit 2, 214 Purley Way, Croydon

Croydon

CR0 4XG

Telephone

+44 2086651331

Country

United Kingdom

NUTS code
  • UKI - London
The contractor is an SME

Yes

five.2.4) Information on value of contract/lot (excluding VAT)

Total value of the contract/lot: £4,876,229.23


Section six. Complementary information

six.3) Additional information

(MT Ref:236558)

six.4) Procedures for review

six.4.1) Review body

High Court of England and Wales

The Royal Courts of Justice, The Strand

London

W22LL

Country

United Kingdom

six.4.2) Body responsible for mediation procedures

High Court of England and Wales

The Royal Courts of Justice, The Strand

LONDON

W22LL

Country

United Kingdom

six.4.4) Service from which information about the review procedure may be obtained

Cabinet Office

70 Whitehall

London

SW1A2AS

Country

United Kingdom