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PROCUREMENT OPPORTUNITY

Sewer Mapping

THAMES WATER UTILITIES LIMITED · Contract award notice on Find a Tender

Tender information last checkedLast checked 4 Oct 2026, 02:17.

Opportunity overview

Thames Water is seeking to develop the mapped sewer network throughout Greater London and the Thames Valley area, in order to reduce blockages, internal and external floods and pollution. Unmapped sewers lead to a delay in Thames Water locating and attending blockages, floods and pollution, affecting local communities and the environment. The objective of FA2241 is to map any unmapped sewer networks at scale, speed and accuracy, directly supporting the Pollution Incident Reduction Plan (PIRP) that Thames Water is working towards during AMP8. Lot 1 - Aerial Mapping: Capture of 2,484 km² across 71 Sewer Drainage Area Catchments (SDACs) using manned aircraft, delivering georeferenced 2D, oblique 2D, and 3D imagery. Lot 2 - Asset Detection: Detection of manholes, gullies, rainwater downpipes, soil stacks, misconnections, and outfalls with confidence grading. Lot 3 - Sewer Inferencing: Semi-/automated inferencing of unmapped sewers, laterals, drains, rising mains, and selected SPSs, achieving ?80% accuracy.

Awarded to

Amounts belong to published awards or contracts. Where several suppliers share one value, it is labelled as shared and is not a supplier-specific allocation.

1SPATIAL GROUP LIMITED

Matched by number
Published award value
£6m
Awarded
6 Mar 2026
Award ID
1
Status
pending
Identifier
GB-COH 04785688
Location
Cambridge, UKH12, CB25 9PB, United Kingdom

APEM LIMITED

Matched by number
Published award value
£6m
Awarded
6 Mar 2026
Award ID
2
Status
pending
Identifier
GB-COH 02530851
Location
Vale Road Heaton Mersey, UKD35, SK4 3GN, United Kingdom

Classification

No classification was supplied.

Lots

  • Lot 1Value not stated
  • Lot 2Value not stated
  • Lot 3Value not stated

Documents and notices

Published notice details

Additional information from the published procurement release. Fields appear only when supplied by the source; check the original notice and tender documents before acting.

Scope, procedure and submissions

Id
FA2241
Status
complete
Procurement Method
selective
Procurement Method Details
Competitive flexible procedure

Legal basis

Id
2023/54
Scheme
UKPGA

Special regime

utilities

Techniques

Has Framework Agreement
Yes

Lots and requirements

Entry 1
Id
1
Status
complete
Entry 2
Id
2
Status
complete
Entry 3
Id
3
Status
complete

Buyer, suppliers and contacts

Organisation 1
Name
THAMES WATER UTILITIES LIMITED
Id
GB-COH-02366661

Identifier

Scheme
GB-COH
Id
02366661

Additional Identifiers

Entry 1
Scheme
GB-PPON
Id
PNQQ-4647-DTCV

Address

Street Address
Clearwater Court
Locality
Reading
Postal Code
RG1 8DB
Country
GB
Country Name
United Kingdom
Region
UKJ11

Contact

Roles

buyer

Details

Classifications

Entry 1
Scheme
UK_CA_TYPE
Id
privateUtility
Description
Private utility
Organisation 2
Name
1SPATIAL GROUP LIMITED
Id
GB-COH-04785688

Identifier

Scheme
GB-COH
Id
04785688

Additional Identifiers

Entry 1
Scheme
GB-PPON
Id
PHML-6716-ZLGX

Address

Street Address
Unit F7, Stirling House, Cambridge Innovation Park
Locality
Cambridge
Postal Code
CB25 9PB
Country
GB
Country Name
United Kingdom
Region
UKH12

Contact

Roles

supplier

Details

Scale
sme
Vcse
No
Public Service Mission Organization
No
Sheltered Workshop
No
Organisation 3
Name
APEM LIMITED
Id
GB-COH-02530851

Identifier

Scheme
GB-COH
Id
02530851

Additional Identifiers

Entry 1
Scheme
GB-PPON
Id
PHWL-6298-CTCP

Address

Street Address
Riverview
Locality
Vale Road Heaton Mersey
Postal Code
SK4 3GN
Country
GB
Country Name
United Kingdom
Region
UKD35

Contact

Roles

supplier

Details

Scale
large
Vcse
No
Public Service Mission Organization
No
Sheltered Workshop
No

Award information

Award 1
Id
1
Title
Sewer Mapping
Status
pending
Date
6 Mar 2026, 00:00
Main Procurement Category
services
Above Threshold
Yes
Has Renewal
Yes
Has Options
Yes
Assessment Summaries Date Sent
6 Mar 2026, 00:00

Items

Item 1
Id
3
Related Lot
3

Additional Classifications

Entry 1
Scheme
CPV
Id
90491000
Description
Sewer survey services

Delivery locations

Entry 1
Region
UKI
Country
GB
Country Name
United Kingdom
Entry 2
Region
UKJ
Country
GB
Country Name
United Kingdom

Value

Including VAT
7,195,200
Amount
5,996,000
Currency
GBP

Suppliers

Supplier 1
Id
GB-COH-04785688
Name
1SPATIAL GROUP LIMITED

Standstill Period

Ends
18 Mar 2026, 23:59

Contract period

Starts
19 Mar 2026, 00:00
Ends
28 Feb 2030, 23:59
Max Extent Date
27 Feb 2032, 23:59

Renewal

Description
Thames Water envisages that the contract will be awarded for an initial term of 4 years with options to extend by 2 years, up to a maximum overall term of 6 years. Additional purchases of aerial survey services may be considered during the contract term, subject to ITN specification.

Options

Description
The right to additional purchases while the contract is valid. The full scope of the services to be provided and any options that may be considered throughout the term of the agreement, is set out in the Specification issued within the Invitation to Negotiate (ITN) document.

Related lots

3

Documents

Entry 1
Id
020240-2026
Document Type
awardNotice
Notice Type
UK6
Description
Contract award notice on Find a Tender
Published
6 Mar 2026, 10:21
Format
text/html

Milestones

Entry 1
Id
1
Type
futureSignatureDate
Due
19 Mar 2026, 23:59
Status
scheduled
Award 2
Id
2
Title
Sewer Mapping
Status
pending
Date
6 Mar 2026, 00:00
Main Procurement Category
services
Above Threshold
Yes
Has Renewal
Yes
Has Options
Yes
Assessment Summaries Date Sent
6 Mar 2026, 00:00

Items

Item 1
Id
1
Related Lot
1

Additional Classifications

Entry 1
Scheme
CPV
Id
90491000
Description
Sewer survey services

Delivery locations

Entry 1
Region
UKI
Country
GB
Country Name
United Kingdom
Entry 2
Region
UKJ
Country
GB
Country Name
United Kingdom
Item 2
Id
2
Related Lot
2

Additional Classifications

Entry 1
Scheme
CPV
Id
90491000
Description
Sewer survey services

Delivery locations

Entry 1
Region
UKI
Country
GB
Country Name
United Kingdom
Entry 2
Region
UKJ
Country
GB
Country Name
United Kingdom

Value

Including VAT
7,195,200
Amount
5,996,000
Currency
GBP

Suppliers

Supplier 1
Id
GB-COH-02530851
Name
APEM LIMITED

Standstill Period

Ends
18 Mar 2026, 23:59

Contract period

Starts
19 Mar 2026, 00:00
Ends
28 Feb 2030, 23:59
Max Extent Date
27 Feb 2032, 23:59

Renewal

Description
Thames Water envisages that the contract will be awarded for an initial term of 4 years with options to extend by 2 years, up to a maximum overall term of 6 years. Additional purchases of aerial survey services may be considered during the contract term, subject to ITN specification

Options

Description
The right to additional purchases while the contract is valid. The full scope of the services to be provided and any options that may be consideredthroughout the term of the agreement, is set out in the Specification issued within the Invitation to Negotiate (ITN) document.

Related lots

1
2

Documents

Entry 1
Id
020240-2026
Document Type
awardNotice
Notice Type
UK6
Description
Contract award notice on Find a Tender
Published
6 Mar 2026, 10:21
Format
text/html

Milestones

Entry 1
Id
1
Type
futureSignatureDate
Due
19 Mar 2026, 23:59
Status
scheduled

Recorded locations

  • Buyer location · Reading · UKJ11 · RG1 8DB · United Kingdom

Notice and amendment history

1 published notice version reviewed by ProcuraAxis.

1 VERSION
  1. 020240-2026Contract award notice on Find a Tender ·