Building standards guidance - Section 3.3 Flooding and Groundwater: consultation on proposed updates

Consultation to consider updates to the guidance within Section 3.3 Flooding and groundwater of the Technical Handbooks with a particular focus on property flood resilience for new buildings and new building work that is being undertaken in areas identified as being at risk of flooding.

Closed
This consultation closed 3 October 2025.

View this consultation on consult.gov.scot, including responses once published.


Consultation questions – summary

Question 1 – Do you have any comments on the amended introductory information setting out background to the issues to be addressed by Standard 3.3?

Yes / No

If you answered ‘Yes’, please provide your comments

Question 2 – Do you consider the proposed expansion of the guidance on flood risk assessment to be useful in better framing the action expected and where to access supporting information on undertaking the assessment?

Yes / No

Please provide any comment you have, positive or negative, on the expanded guidance clause.

Question 3 – Do you have any comments on the revised guidance on assessing groundwater risks?

Yes / No

If you answered ‘Yes’, please provide your comments

Question 4 – A significant expansion on previous guidance on flood resilient construction is proposed. Do you have any views on the usefulness of this additional information, including example construction details? Do you have any comments on the amended introductory information setting out background to the issues to be addressed by Standard 3.3?

Yes / No

If you answered ‘Yes’, please provide your views and any relevant supporting information.

Question 5 – Are there additional construction details or other useful information which could also be included in clause 3.3.3?

Yes / No

If you answered ‘Yes’, please describe the additional construction details or information you consider would be useful to include in clause 3.3.3.

Question 6 – Having reviewed the proposed changes in the context of current guidance to Standard 3.3, do you agree there is a need to update the guidance in Section 3.3 (Flooding and groundwater) of the Technical Handbooks?

Yes / No

Please provide information on why you agree or disagree.

Question 7 – Does the revised guidance provide enough information to understand what is required to achieve compliance with Mandatory Standard 3.3, Flooding and groundwater?

“Standard 3.3 Every building must be designed and constructed in such a way that there will not be a threat to the building or the health of occupants as a result of flooding and the accumulation of groundwater.”

Yes / No

Please provide any additional comments or information

Question 8 – Do you consider that the revised guidance will add to the potential cost of development?

Yes / No

If ‘Yes’, please set out your reasoning and provide any information you consider relevant on potential costs.

Question 9 – Do you agree that the introduction of the guidance in Annex 3.B offers further useful information to support the informed practice in flood risk assessment and the application of flood resilience principles?

Yes / No

Please provide any additional comments you may have.

Question 10 – Are there any other issues that you consider Annex 3.B could address to further improve knowledge and understanding of this topic?

Yes / No

If you answered ‘Yes’, please provide your comments

Contact

Email: Buildingstandards@gov.scot

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