| 2017-18 | 2018-19 | 2019-20 |
| Total statutory consultations returned | Percentage on time | Total statutory consultations returned | Percentage on time | Total statutory consultations returned | Percentage on time |
DfI Roads | 11537 | 71% | 12241 | 78% | 10908 | 73% |
DAERA Environment Marine and Fisheries | 4315 | 87% | 4689 | 72% | 4116 | 72% |
DfC Historic Environment Division | 2881 | 78% | 3266 | 76% | 2903 | 72% |
NI Water | 3445 | 87% | 3159 | 84% | 3101 | 85% |
DfI Rivers | 2350 | 66% | 2571 | 29% | 2239 | 31% |
Health Safety Executive NI | 95 | 71% | 72 | 86% | 87 | 63% |
DfE/GSNI | 88 | 80% | 86 | 86% | 104 | 84% |
Belfast International Airport | 82 | 87% | 91 | 67% | 107 | 77% |
Belfast City Airport | 24 | 96% | 31 | 100% | 69 | 100% |
City of Derry Airport | 6 | 100% | 9 | 100% | 14 | 100% |
Belfast City Council | 5 | 0% | 2 | 50% | 4 | 25% |
NI Housing Executive | 14 | 93% | 28 | 71% | 25 | 64% |
Antrim & Newtownabbey council | 2 | 0% | 7 | 14% | 6 | 17% |
Armagh City, Banbridge & Craigavon council | 1 | 0% | n/a | | 2 | 0% |
Causeway Coast & Glens council | n/a | | n/a | | 3 | 33% |
Fermanagh & Omagh council | 2 | 100% | n/a | | 1 | 100% |
Mid & East Antrim council | n/a | | n/a | | n/a | |
Mid Ulster council | 2 | 0% | n/a | | 2 | 0% |
Newry, Mourne & Down council | 1 | 0% | n/a | | n/a | |
Ards & North Down council | 2 | 100% | n/a | | n/a | |
Lisburn & Castlereagh council | 1 | 0% | n/a | | n/a | |
Derry City & Strabane council | 1 | 0% | n/a | | 1 | 0% |