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Sustainable Drainage Reports

Sustainable Drainage Reports (SuDS) for planning applications and property transactions

SuDSmart Drainage Reports

Feature Comparison

SuDSmart

From £895+VAT*
SuDS maps and summary
Runoff calculations
See sample report
Get a quote
Learn more

SuDSmart Plus

From £1,195+VAT*
SuDS maps and summary
Runoff calculations
Drainage strategy
See sample report
Get a quote
Learn more

SuDSmart Pro

From £1,495+VAT*
SuDS maps and summary
Runoff calculations
Drainage strategy
Site Visit
See sample report
Get a quote
Learn more
FeaturesSuDSmartSuDSmart PlusSuDSmart Pro
Drainage Consultants’ professional opinion
£5 million PI
Fast delivery time (working days)**5-105-105-10 from date of Site walkover
Data pack, including: infiltration potential, flood risks, topography, surface water features and sewers
SuDS suitability evaluation
Supports Architects, Developers, Planning Consultant and the Legal Market
Expert drainage consultant support
Run off volumes and storage requirements
Expert help to discharge planning conditions
Professional opinion backed by £5 million PI
Review of planning conditions
SuDS strategy and schematic drainage layout
Management and maintenance recommendations
Site Visit

*1 Pricing based on site size, location & complexity. **2 Expedited turnarounds are available on request

Download the SuDSmart Product Card

Download Product Card

Need a Detailed Drainage Design?

Provides in-depth details including pipe dimensions, cover and invert levels and gradients.

DETAILED DRAINAGE DESIGN

Additional Services Available

  • Detailed drainage engineering design drawings
  • Foul drainage assessments
  • Management and maintenance plans
  • Support for building regulations
  • Topographical surveys
  • CCTV drain surveys
  • Infiltration testing
  • Pre-development sewer enquiries
  • Combined drainage and flood risk assessment
  • Drainage Modelling
  • Microdrainage
  • Water Management Statements
  • Soakaway design

 

Other available reports

EnviroSmart
Contaminated Land
Find out more
FloodSmart
Flood Risk
Find out more


Why choose GeoSmart?

Our environmental sustainable drainage system reports are second to none in terms of quality, compliance and current data. We also provide £5m of PI cover for all reports and services.

FAQs

Who are SuDS reports intended for?
  • House builders and developers
  • Property professionals such as architects, planning consultants, and land agents
  • Private individuals
  • Businesses
  • Insurance brokers and lenders
Why is a SuDS Report required?
  • Validating planning applications at Pre-Planning Stage
  • Planning Conditions
  • Building and flood mitigation design
  • Due diligence
  • Code for Sustainable Homes
  • SuDS approval boards (SABs)
  • Lending, mortgages, and pension funds
How do I know what Level of SuDS Report I need?

For initial screening at the conceptual design stage. a SuDSmart sustainable drainage report typically supports developers and regulators with infiltration drainage advice. This is the preferred method for managing surface water without increasing flood risk downstream.

When infiltration drainage cannot be undertaken at a site due to the underlying ground conditions, other more conventional drainage systems are introduced in our SuDSmart Plus and Pro Reports (Note: infiltration drainage techniques are also considered when possible).

What does a SuDSmart Plus/Pro Report contain?

SuDSmart Plus/Pro Reports analyse the potential run-off from a site so that it can be managed effectively to ensure there is no increase in flood risk on or off the site. Post development run-off rates are assessed for a range of storm events including an allowance for future climate change.

A sustainable drainage strategy is developed to offset the increase in surface water run-off from the new development using the principles of SuDS and the code for sustainable homes. The hydrological context of the site is assessed, along with any potential issues that may affect the SuDS system.

A range of potential options are assessed including discharge to the ground, surface water courses or sewerage. The SuDS report provides sizes and flow rates for a range of sustainable drainage options that may be considered.

Will my SuDS report satisfy the Local Planning Office or LLFA?

SuDSmart Reports can be used to support a planning application at Pre-Planning Stage, or alternatively address a Planning Condition prior to planning being granted.

These sustainable drainage reports provide a cursory look at infiltration SuDS which is the preferred method for managing surface water. Whether infiltration techniques are feasible or not will determine the suitability of other SuDS schemes going forward. The level of detail required depends on the specific requirements of your local authority.

You should note that our more detailed report, SuDSmart Plus, provides alternative options and preliminary scheme layouts that should be subject to more detailed review at the master planning stage.

In our experience, this level of detail is required for more stringent planning authorities or for more complex sites that warrant more detailed assessment.

How do I know what to do next?

All SuDSmart reports include recommendations for next steps. We will always advise on the most cost effective way to move forward and provide details of how to do this whilst meeting the needs of the planning department.

What if the Local Authority or LLFA requests further information to support my application?

GeoSmart are able to provide access to a range of highly experienced senior consultants, suppliers and engineers, who can provide a more detailed review of your site specifics and planning requirements.

Please contact a member of the GeoSmart team to put you in touch when further detailed assessment is required.

What is GeoSmart’s SuDS Infiltration Map (SD50)?

The GeoSmart SD50 map provides an assessment of the capacity of the ground to receive infiltration depending on the nature, thickness and permeability of the underlying material and the depth to the high groundwater table.

  • Allows preliminary assessment of the site without the need for bespoke SuDS design.
  • Use in conjunction with the SuDSmart report range to identify SuDS infiltration suitability and flow/volume design data.
  • Combination may be sufficient to obtain outline planning.
  • Provides customers with clear site risk profile on drainage cost and land area needed.

To discuss the SD50 SuDS screening map and how it can improve your planning submission for your client, contact us today.

Case Studies

SuDS Assessment for a Commercial Home-Builder

GeoSmart was asked to produce a SuDSmart Plus Report to assess how the development of greenfield land into residential properties may impact the flood risk to off-site receptors as a result of the increase in surface water runoff generated.

Read more
Sustainable Drainage Assessment for a Business Park - Berkshire

We were asked to assist in gaining planning permission for a new building development at a business park in Berkshire.

Read more

Check out our Knowledge Hub

For further information see our knowledge hub

Knowledge Hub

See what our customers have to say...

"During the conveyancing process for my current house purchase, I was extremely concerned to find the general search results revealed the house was at 'moderate risk of groundwater flooding'. I was unable to get any further information from anyone until I contacted GeoSmart. The staff I spoke to were friendly, helpful, efficient and extremely knowledgeable. The information provided was very site specific and focused. The staff member who talked me through the information and maps provided was very knowledgeable, answered all my questions and allowed me plenty of time to discuss issues. Thanks to GeoSmart for their great service."
Linda Barton
"We were impressed by the speedy, well-informed service and personal contact that we received. The report was thorough and comprehensive. We will certainly use GeoSmart's services in the future"
Gregory Gray
Gregory Gray Associates
"I would like to say that dealing with GeoSmart was a seamless experience from beginning to end - thank you for that"
Martin Lloyd
Martin Lloyd Associates
"Everyone involved from initial approach to receipt of report was knowledgeable, efficient and focused"
Robert McCall
OeMO Ltd
"Great service! Extremely fast and the report was very detailed and well received by the planners. Many thanks GeoSmart, we will definitely use your services again"
Nigel Slack
Michael Eyres Partnership LLP
"The service was great, fast and efficient. Everyone we talked to was very helpful and the details were well received by the planners"
Ben Thorns
Solid Digital Marketing Ltd
"The service for a Phase 1 Contaminated Land Study was excellent, fast and efficient! GeoSmart were willing to assist despite the extremely tight timescale to work with. We will definitely consider using your services again"
Craig Roberts
Hunter Page
"Efficient and friendly service, GeoSmart provided a clear and concise report within the timescales advised. Great service and I would have no problem recommending"
Geraint Harris
Vitec Consult
"We are very pleased with the service provided by GeoSmart. Their reports have been used to assist with numerous planning applications and have always been delivered to budget and on-time, much to our clients’ appreciation. We look forward to working with GeoSmart on future projects"
Alan Gunne-Jones
Planning & Development Associates
"The service provided was efficient and friendly. From the first phone call to GeoSmart they provided a clear, professional approach to my request within the timescales advised. Great service and I would have no problem recommending"
John Childs
Private Developer
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