Looking at the Public Health England data, Brum is really accelerating, it'll be the first UK LA area to hit 1k cases (albeit it is the biggest by population) but has 25% more cases than the next highest place). The London boroughs have plateaued somewhat now:
Birmingham: 984
Hampshire: 749
Sheffield: 715
Surrey: 649
Hertfordshire: 637
Kent: 621
Brent: 601
Southwark: 566
Cumbria: 564
Lambeth: 563
Barnet: 547
Essex: 547
Lancashire: 536
Croydon: 497
Staffordshire: 439
Wandsworth: 434
Ealing: 414
Newham: 409
Bromley: 405
Harrow: 401
Lewisham: 401
Derbyshire: 383
Liverpool: 342
Nottinghamshire: 336
Westminster: 322
Oxfordshire: 315
Waltham Forest: 309
Hackney and City of London: 298
Tower Hamlets: 287
Newcastle upon Tyne: 284
Enfield: 282
Warwickshire: 279
Greenwich: 277
Worcestershire: 277
Hillingdon: 274
Walsall: 270
Leicestershire: 267
Northamptonshire: 264
Merton: 262
Hounslow: 253
Sandwell: 252
Wolverhampton: 251
Redbridge: 247
Camden: 244
Haringey: 233
Dudley: 226
Norfolk: 225
Manchester: 224
Gloucestershire: 224
Kensington and Chelsea: 222
Buckinghamshire: 222
Leeds: 219
Bexley: 217
Islington: 210
Hammersmith and Fulham: 207
West Sussex: 199
County Durham: 198
Sutton: 197
North Yorkshire: 193
Salford: 190
Coventry: 188
Derby: 187
Havering: 183
Lincolnshire: 182
Barking and Dagenham: 178
Cambridgeshire: 172
Richmond upon Thames: 167
Solihull: 164
Devon: 163
Nottingham: 161
Suffolk: 161
Bristol, City of: 156
Stockport: 156
Barnsley: 154
Rotherham: 154
Sunderland: 152
Leicester: 149
Oldham: 149
Northumberland: 142
Sefton: 142
Kirklees: 142
Milton Keynes: 141
Kingston upon Thames: 140
Trafford: 139
Bradford: 135
North Tyneside: 133
Wirral: 130
East Sussex: 129
Southampton: 128
Rochdale: 126
Cornwall and Isles of Scilly: 125
St. Helens: 122
Shropshire: 120
Slough: 117
Luton: 116
Medway: 116
Cheshire West and Chester: 116
Doncaster: 116
Cheshire East: 111
Wiltshire: 110
Wigan: 110
Tameside: 109
Gateshead: 108
Wakefield: 105
South Gloucestershire: 104
Bury: 102
Central Bedfordshire: 99
Middlesbrough: 92
Knowsley: 89
Portsmouth: 85
Thurrock: 83
Warrington: 82
Dorset: 80
Bolton: 80
Stockton-on-Tees: 77
Stoke-on-Trent: 76
Southend-on-Sea: 76
Windsor and Maidenhead: 76
Bedford: 74
Bournemouth, Christchurch and Poole: 74
East Riding of Yorkshire: 72
Somerset: 72
Plymouth: 71
Brighton and Hove: 71
West Berkshire: 69
Wokingham: 69
Calderdale: 69
Reading: 67
Redcar and Cleveland: 64
Telford and Wrekin: 62
North Somerset: 58
York: 57
South Tyneside: 56
Bath and North East Somerset: 52
Halton: 51
Herefordshire, County of: 51
Torbay: 51
Peterborough: 48
Swindon: 44
Blackburn with Darwen: 43
Blackpool: 41
Bracknell Forest: 36
Darlington: 32
North East Lincolnshire: 29
North Lincolnshire: 29
Hartlepool: 23
Kingston upon Hull, City of: 21
Isle of Wight: 19
Rutland: 6