Cardiff crime in September: 3,738 offences reported, down 13% on August

Police recorded 3,738 crimes and anti-social behaviour incidents across 28 Cardiff neighbourhoods in September 2026, down 13% on August (4,297).

Cathays had the most reports (627), followed by Butetown (345) and Adamsdown (261). City-centre neighbourhoods usually top the table because of shops, nightlife and footfall, not because residents there are more at risk.

The sharpest rise was in Lisvane and Thornhill, up 39% on August, while Rumney was down 45% on August.

Neighbourhood by neighbourhood

Neighbourhood	September	August	Change
Cathays	627	763	−136
Butetown	345	355	−10
Adamsdown	261	310	−49
Riverside	213	215	−2
Plasnewydd	192	236	−44
Grangetown	170	206	−36
Splott	166	179	−13
Trowbridge	148	201	−53
Ely	146	178	−32
Caerau	131	155	−24
Llanrumney	126	158	−32
Fairwater	123	122	+1
Pentwyn	119	127	−8
Penylan	109	120	−11
Whitchurch and Tongwynlais	106	116	−10
Gabalfa	98	99	−1
Llanishen	88	73	+15
Pontprennau and Old St. Mellons	86	111	−25
Canton	80	136	−56
Llandaff North	77	77	0
Heath	69	66	+3
Cyncoed	51	42	+9
Rumney	48	88	−40
Lisvane and Thornhill	39	28	+11
Llandaff	39	45	−6
Pentyrch and St. Fagans	35	37	−2
Rhiwbina	25	38	−13
Radyr	21	16	+5
Cardiff total	3,738	4,297	−559

Figures are from South Wales Police street-level data on data.police.uk, published monthly about two months in arrears. They count reports, not convictions, and can be revised.