Słownik
- New build (post-2010) — Modern property built after 2010, with separate drainage and SuDS requirements.
- NHBC standards — Technical standards published by the National House Building Council for new-build housing.
- NICEIC certification — Industry certification scheme for UK electrical contractors, with drainage cross-reference.
- No-dig drain repair — Repair methods that fix drains internally without significant excavation.
- Non-return valve (NRV) — Valve preventing flow reversal in a pipe to protect pumps and supplies.
