OneSearch DW

Overview

The OneSearch DW report is a key search in residential transactions, supporting you with the essential drainage and water insights needed for confident client advice. We’ve refreshed the report’s layout to make critical information easier to absorb and navigate, helping you move from data to decisions with greater speed and clarity.

For more than 15 years, OneSearch DW has provided reliable, consistent due diligence for conveyancers nationwide. Today, it’s even clearer, more intuitive, and backed by strengthened insurance protection.

This report has been prepared specifically for use in connection with an individual residential property transaction. It is not intended to support or inform decisions related to property development.

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This product covers the following

Drainage & Water

What’s New

What the Report Covers

Added Protection

Choose OneSearch DW

What’s New in the 2026 Design Refresh

Our latest update introduces a more streamlined, modern structure that reduces visual noise and keeps the most important details front and centre:

New Summary Page
Cleaner, Uniform Layout
Clickable Hyperlinks
Reduced Cognitive Load

A Fresh New Look

Drainage Enquiries

Confirmation of sewerage undertaker
Extract of the public sewer map
Surface water connection
Adoption status
Drainage assets within the boundary
Distance of public sewer to any building on the property
Foul sewer connection

Water Enquiries

Confirmation of water undertaker
Map of waterworks
Mains water connection
Adoption status
Water assets within the boundary

Added Protection & Peace of Mind

The OneSearch DW report includes a robust insurance policy (provided by Stewart Title Ltd) to cover unavailable data, making it a comprehensive alternative to the CON29DW. You are also protected with:

£10 million Professional Indemnity Insurance
6‑year run‑off cover for continued protection
Assurance against errors arising from water company datasets
Protection against errors or omissions by OneSearch Direct

Your confidence remains our priority, and this enhanced clarity ensures you can advise clients with certainty.