- The Town and Village Greens (Landowner Statements) (Wales) Regulations 2018 / Rheoliadau Meysydd Tref a Phentref (Datganiadau Perchnogion Tir) (Cymru) 2018
- The Eggborough Gas Fired Generating Station Order 2018
- The M4 Motorway (Junction 34 (Miskin), Rhondda Cynon Taf to Junction 49 (Pont Abraham), Carmarthenshire) (Temporary Prohibition of Vehicles) Order 2018 / Gorchymyn Traffordd yr M4 (Cyffordd 34 (Meisgyn), Rhondda Cynon Taf i Gyffordd 49 (Pont Abraham), Sir Gaerfyrddin) (Gwahardd Cerbydau Dros Dro) 2018
- The Planning (Wales) Act 2015 (Commencement No. 5 and Transitional Provisions) Order 2018 / Gorchymyn Deddf Cynllunio (Cymru) 2015 (Cychwyn Rhif 5 a Darpariaethau Trosiannol) 2018
- The North East Scotland Trunk Roads (Temporary Prohibitions of Traffic and Overtaking and Temporary Speed Restrictions) (No. 9) Order 2018