RFP QuestBeta
Awarded · ResultStage · award

Lee Valley Regional Park Authority

Provision for Cornmill Meadows Hydrological Study

Engineering & Architecture
ValueValue not published
Awarded13 Jul 2026
Published16 Jul 2026
RegionNationwide
Outcome — awarded
Adler and Allan Limited
Awarded value£42k
Award date13 Jul 2026

This is a contract result notice, not an open opportunity. Details from the official award data.

Who to contact
Cath Patrick
lvrpaprocurement@leevalleypark.org.uk

The procurement contact named on the official notice.

The brief

Lee Valley Regional Park Authority invites tenders for an in-depth Hydrological Study at Cornmill Meadows, Waltham Abbey, EN9 2ES.

Cornmill Stream and Old River Lea SSSI is designated for its outstanding assemblage of dragonflies and damselflies.

A high-level survey of the site in 2022 found that these species are under threat due to falling water levels and highlighted the urgency of an in-depth hydrology survey to assess the causes and plan for remediation.

In addition, work currently underway at the neighbouring Royal Gunpowder Mills (RGM) site seeks to address issues with the co-located Waltham Abbey SSSI.

The next stage of that project requires monitoring of water flows in the Cornmill Stream and Old River Lea.

The results of this study should meet that demand.

Our aim is to understand the hydrology of the Cornmill Stream and Old River Lea SSSI, with particular reference to water flows through the site, and to inform future water management requirements, including under extreme conditions which may occur due to climate change.

Key requirements

What the supplier must deliver

01

The results of this study should meet

The results of this study should meet that demand.

Derived from the notice text — always confirm against the original documents.

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Source & provenance
OCID
ocds-h6vhtk-0691eb
Stage
award · Awarded
Source
Find a Tender
Buyer ref
067214-2026
View the original notice on Find a Tender

Contains public sector information licensed under the Open Government Licence v3.0. Source data © Crown copyright.

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