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Public Consultation on the 2019 amendment to Technical Guidance Document C, 1997

The Minister for Housing and Urban Development Mr. Damien English, T.D., has announced a public consultation on his intention to amend Technical Guidance Document C 1997 (Site Preparation and Resistance to Moisture) to take account of the latest version of S.R.21 and the guidance on placement (use) of hardcore.

Why we are launching this consultation?

The Report of the Pyrite Panel (June 2012) recommended that the standard related to the use of hardcore material in dwellings and buildings be updated to include specific testing, certification and traceability for hardcore material to be used in dwellings and in buildings other than dwellings.

Since technical guidance of this standard is contained in Technical Guidance Document C, TGD C, the report also recommended that following the publication of such a standard, the Department should review the TGD C and issue amendments where necessary.

The revision of the standard was completed following a public consultation process and the revised standard, S.R.21:2014 + A1:2016, was published in 2016.

The proposed 2019 amendment to TGD C, is to take account of the latest version of the standard.

How to get involved?

Make a Submission

Submissions and comments on the additional guidance to TGD C should be submitted on the Templates for Submissions only and sent by email to

The closing date for the receipt of submissions and comments is no later than 5.30pm on 4 November 2019

Terms and Conditions

All submissions and comments submitted to the Department for this purpose are subject to release under the Freedom of Information (FOI) Act 2014 and the European Communities (Access to Information on the Environment) Regulations 2007- 2014. Submissions are also subject to Data Protection legislation.

Personal, confidential or commercially sensitive information should not be included in your submission and it will be presumed that all information contained in your submission is releasable under the Freedom of Information Act 2014.

What We Will Do With Your Response

Responses will inform the finalisation of the 2019 revision of Technical Guidance Document C.  Please note that submissions received may be made available on the Department’s website. In any event, all submissions received will be subject to the provisions of the Freedom of Information Act and Data Protection legislation. See also the Privacy Statement under the Documents link above.


Status History

Status - Closed
Monday, September 2, 2019
Monday, November 4, 2019