- 2003 No 301 National Health Service (Optical Charges and Payments) (Amendment) (Wales) Regulations 2003
- 2003 No 306 Credit Unions Act 1979 (Commencement No 3) Order 2003
- 2003 No 307 Assured Tenancies and Agricultural Occupancies (Forms) (Amendment) (Wales) Regulations 2003
- 2003 No 308 Housing Benefit and Council Tax Benefit (General) Amendment (No 2) Regulations 2003
- 2003 No 323 Antarctic (Amendment) Regulations 2003
- 2003 No 324 Social Security Pensions (Low Earnings Threshold) Order 2003
- 2003 No 325 Housing Benefit and Council Tax Benefit (State Pension Credit) Regulations 2003
- 2003 No 326 Bluetongue (Wales) Order 2003
- 2003 No 328 Child Support (Miscellaneous Amendments) Regulations 2003
- 2003 No 329 Rating Lists (Valuation Date) (England) Order 2003
- 2003 No 330 Electronic Communications (Market Analysis) Regulations 2003
- 2003 No 331 Children (Allocation of Proceedings) (Amendment) Order 2003
- 2003 No 332 Child Minding and Day Care (Suspension of Registration) (England) Regulations 2003
- 2003 No 333 Proceeds of Crime Act 2002 (Commencement No 5, Transitional Provisions, Savings and Amendment) Order 2003
- 2003 No 334 Proceeds of Crime Act 2002 (Investigations in England, Wales and Northern Ireland: Code of Practice) Order 2003
- 2003 No 335 Proceeds of Crime Act 2002 (Disclosure of Information) Order 2003
- 2003 No 336 Proceeds of Crime Act 2002 (Exemptions from Civil Recovery) Order 2003
- 2003 No 346 Child Support, Pensions and Social Security Act 2000 (Commencement No 13) Order 2003
- 2003 No 347 Child Support (Transitional Provision) (Miscellaneous Amendments) Regulations 2003
- 2003 No 348 School Governance (Constitution) (England) Regulations 2003
- 2003 No 354 Local Authorities (Goods and Services) (Public Bodies) (England) Order 2003
- 2003 No 362 Adoption (Intercountry Aspects) Act 1999 (Commencement No 9) Order 2003
- 2003 No 363 Housing Benefit (General) Amendment Regulations 2003
- 2003 No 364 Civil Procedure (Amendment) Rules 2003
- 2003 No 365 Care Standards Act 2000 (Commencement No 17 (England) and Transitional and Savings Provisions) Order 2003
- 2003 No 366 Adoption and Children Act 2002 (Commencement No 3) Order 2003
- 2003 No 367 Voluntary Adoption Agencies and the Adoption Agencies (Miscellaneous Amendments) Regulations 2003
- 2003 No 368 National Care Standards Commission (Fees and Frequency of Inspections) (Adoption Agencies) Regulations 2003
- 2003 No 369 National Care Standards Commission (Registration) (Amendment) Regulations 2003
- 2003 No 370 Local Authority Adoption Service (England) Regulations 2003
- 2003 No 373 Consistent Financial Reporting (England) Regulations 2003
- 2003 No 375 Court Funds (Amendment) Rules 2003
- 2003 No 381 Education (Residential Trips)(Prescribed Tax Credits) (England) Regulations 2003
- 2003 No 382 Education (School Lunches) (Prescribed Requirements) (England) Order 2003
- 2003 No 383 Education (Free School Lunches) (Prescribed Tax Credits) (England) Order 2003
- 2003 No 385 Greater London Magistrates' Courts Authority (Constitution) (Amendment) Regulations 2003
- 2003 No 389 General Teaching Council for Wales (Constitution) (Amendment) Regulations 2003
- 2003 No 390 Town and Country Planning (Referrals and Appeals) (Written Representations Procedure) (Wales) Regulations 2003
- 2003 No 391 Education (National Curriculum) (Foundation Stage Early Learning Goals) (England) Order 2003
- 2003 No 392 Tax Credits Act 2002 (Commencement No 2) Order 2003
- 2003 No 393 Traffic Signs (Amendment) General Directions 2003
- 2003 No 394 Town and Country Planning (Enforcement Notices and Appeals) (Wales) Regulations 2003
- 2003 No 395 Town and Country Planning (Enforcement) (Written Representations Procedure) (Wales) Regulations 2003
- 2003 No 396 Tobacco Advertising and Promotion Act 2002 (Commencement No 6) Order 2003
- 2003 No 397 Wireless Telegraphy (Public Fixed Wireless Access Licences) (Amendment) Regulations 2003
- 2003 No 398 Local Authorities (Referendums) (Petitions and Directions) (Amendment) (Wales) Regulations 2003
- 2003 No 399 Movement of Animals (Restrictions) (Wales) Order 2003
- 2003 No 400 Social Security (Work-focused Interviews for Lone Parents) Amendment Regulations 2003

