I maintain each day an ODS (LibreOffice) Spreadsheet of Covid-19 infections for Nottingham (my home town) as reported by ONS (Office of National Statistics) via a BBC webpage.

That page currently (08:45 29 April 2020) reports the same number for Nottingham (488 confirmed cases, from a population of 331,069 people) as it did the previous day (28 April), with a report date of 27 April. So, I went hunting for the source & found it on a .gov.uk site:
https://coronavirus.data.gov.uk
Coronavirus (COVID-19) in the UK (Open Government Licence v3.0)
…and lo! That page is using leaflet + OSM data (good attribution) to display the data.
The gov.uk site currently displays “Last updated 28 Apr 2020, 7:14pm” and, sure enough, the https://coronavirus.data.gov.uk/#local-authorities data still shows ‘488’ for Nottingham, which means that there were zero new cases yesterday. In fact, there were ‘488’ cases Covid-19 infections confirmed for Nottingham on 25 April, no cases reported at all on 26 April, and then (again) ‘488’ cases Covid-19 infections confirmed for Nottingham on 27 April. Cases that are reported on one day are actually for the previous day.
If you download the CSV file of latest cases & speadsheet it you will find just 103 extra cases in England (most of them in Yorkshire+Humber), meaning 0 (zero) extra cases in most of England, including in Herts (which is where my grandkids live). The numbers in that file for Nottingham are slightly different to those reported by the BBC (not much different). I’d also got the actual dates off by one. So, I decided to shift to the gov.uk site for the stats that I would take.
I cannot find any means to upload one of the graphs from the gov.uk site so, instead (and for what it is worth) here is yesterday’s Nottingham Covid-19 stats graph (top) + Hertfordshire + all English Region stats (bottom) (low res because my screen is pants); the latter is particularly important because, for the first time, all parts of England have registered a day with zero % growth in Covid_19 infections:

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