Every rule your project must meet, found for you.
Search Northern Ireland’s planning and building-control guidance, ask a question in plain English, or generate a project compliance checklist — every answer cited to the source.
Working to a specific project? Generate a compliance checklist →
Answers, with citations
Ask in plain English and get an answer that links to the exact source clause — never an unsourced guess.
Scoped to your council
Overlay a council's local development plan on the Northern Ireland-wide regulations and policy.
Project compliance checklist
Characterise a project and get the requirements that apply, grouped by work area. Try it →
The library
Search the source guidance
2 results · filtered
Protection against sound within a dwelling or room for residential purposes
0.3NI-wide·Technical Booklet G Resistance to the Passage of Sound
It is the view of the Department that the requirements of regulation 50 will be met in a dwelling or room for residential purposes where reasonable provisions are made in the design and construction o
dwellingresidentialsoundinternal-wallsinternal-floorsInternal floor type A: Concrete planks
5.20NI-wide·Technical Booklet G Resistance to the Passage of Sound
Concrete planks (see Diagram 5.5) – minimum mass per unit area 180 kg/m2; regulating screed optional; ceiling finish optional. Note – Insulation against impact sounds can be improved by adding a soft
soundinternal-floors