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Housing Growth and Flood Risk Management
RG 8NI-wide·PPS 15 Planning and Flood Risk (Revised)
Housing growth should be managed so that it mitigates the risk of flooding by avoiding those areas known to be at risk (RG 8).
dwellingflatsflood-riskPlanning for Storm Exceedance in Development Sites
4.15NI-wide·PPS 15 Planning and Flood Risk (Revised)
Development plans can reduce flood risk to vulnerable development (existing or proposed) through planning for storm exceedance. For example, within a site zoned for housing or economic development, th
site-planningflood-riskdwellingDevelopment involving significant intensification of use in flood-risk areas
6.15NI-wide·PPS 15 Planning and Flood Risk (Revised)
Development involving a significant intensification of use, such as the conversion of a single dwelling unit to a number of apartments, would be liable to expose more people to the residual flood risk
dwellingflatsfire-safetysite-planningResidential development with adjacent flood plain land
6.24NI-wide·PPS 15 Planning and Flood Risk (Revised)
Where a proposal for residential development includes land adjacent to or partially within a flood plain, it will normally be acceptable to utilise the flood plain land for public open space associate
dwellingflood-riskexternal-spacePolicy FLD 3: Development and Surface Water (Pluvial) Flood Risk Outside Flood Plains
Policy FLD 3NI-wide·PPS 15 Planning and Flood Risk (Revised)
A Drainage Assessment will be required for all development proposals that exceed any of the following thresholds: • A residential development comprising of 10 or more dwelling units • A development si
dwellingnon-domesticdrainageflood-risksurface-waterWatercourse integration in residential development
6.52NI-wide·PPS 15 Planning and Flood Risk (Revised)
Consistent with the requirements of PPS 7 'Quality Residential Environments'; incorporating watercourses into the open space requirements for new residential development will be preferred to locating
dwellingresidentialflood-riskexternal-spaceFlood Damage to Residential Property by Depth
Table 2NI-wide·PPS 15 Planning and Flood Risk (Revised)
Table 2: Flood Damage to a Typical Residential Property Depth of Flood | Damage to Building | Damage to Services/fittings | Loss of Personal Possessions Below ground level | Minimal damage to main b
dwellingflood-risksite-planningFlood Proofing Reference
B6NI-wide·PPS 15 Planning and Flood Risk (Revised)
Flood proofing of property is addressed in Annex E.
dwellingflood-riskSustainable Drainage Systems (SuDS) - Overview and Three Pillars
C5NI-wide·PPS 15 Planning and Flood Risk (Revised)
Careful design and incorporation of SuDS into new development or redevelopment schemes will deliver effective drainage while at the same time avoiding increased flood risk downstream. Sustainable drai
drainagesite-planningnon-domesticdwellingSustainable Stormwater Management Techniques
C6NI-wide·PPS 15 Planning and Flood Risk (Revised)
There is a wide range of sustainable drainage techniques available to developers,17 which can be applied, individually or in combination. A combination of techniques will deliver the best results – fo
drainageflood-riskdwellingEconomic Benefits of Sustainable Drainage
C11NI-wide·PPS 15 Planning and Flood Risk (Revised)
Economic benefits likely to accrue from sustainable drainage include the following: The increased application of on-site sustainable drainage solutions by the developer will mean that less investment
drainagesite-planningdwellingresidentialEncouraging sustainable drainage in planning and design
C15NI-wide·PPS 15 Planning and Flood Risk (Revised)
Notwithstanding the current legislative position, development proposals that facilitate sustainable drainage while meeting broader planning objectives or requirements will usually be considered favour
drainagesite-planningdwellingnon-domesticRaising Services and Utilities Above Floor Level
NI-wide·PPS 15 Planning and Flood Risk (Revised)
This would also apply to gas, oil and water supplies so as to avoid pulled joints and leaks, which can lead to contamination and pollution.
non-domesticdwellingfire-safetydrainageRaising Fabrics and Appliances
NI-wide·PPS 15 Planning and Flood Risk (Revised)
Televisions, fridges and cookers can be placed on plinths at raised levels. Machinery and office equipment should also be raised. Castor type sofas and the use of movable rugs instead of fixed carpets
dwellingnon-domesticFixtures and Fittings Selection
NI-wide·PPS 15 Planning and Flood Risk (Revised)
Popular methods in kitchens and downstairs bathrooms are to use durable water resistant materials such as stainless steel units and plastic skirting boards. Vinyl and tiled floors are preferred to woo
dwellingnon-domesticPlacement of Valuables and Movable Items
NI-wide·PPS 15 Planning and Flood Risk (Revised)
Any valuables such as ornaments, pictures and photographs can be placed on high mounted shelves. Smaller furniture can be positioned in such a way that it can be easily transferred to upstairs levels.
dwellingFlood Avoidance as Primary Strategy
E11NI-wide·PPS 15 Planning and Flood Risk (Revised)
Notwithstanding the various flood proofing measures that may be available to manage and mitigate flood risk, it is stressed that the practice of flood avoidance, by locating new buildings and infrastr
non-domesticdwellingflatscommercialindustrialsite-planningflood-riskMinor Development
NI-wide·PPS 15 Planning and Flood Risk (Revised)
Minor Development non residential extensions (Industrial/Commercial/Leisure etc) with a footprint less than 150 sq metres Alterations: development that does not increase the size of buildings, eg alte
dwellingcommercialindustrial