The LTA are strengthening the feed up WCs to GB ITF events in 2020.
For men there is a plethora of WCs available for British winners and runners up of British Tour Premier, Tier 1 and 2 events to the February swing . The winner of Bath will get MD or Q WCs to all 3 ITF tournaments in Feb, the RU 2 WCs and the SF 1 Q WC. In addition their are WCs available from Progress Tour events and the highest ranked GB junior on 3 Feb gets 2 WCs and a QWC to the 3 tournaments in Feb. The 2nd highest GB junior gets a MD and Q WC.
Details here https://www.lta.org.uk/globalassets/competitions/adult-competition/british-tour/2019/lta-british-tour-mens-feed-up-to-gb-pro-series-february-2020.pdf
For the women selected Tier 1 events as well as Premier events will offer WCs to ITF events. Q WCs will be available available from Progress Tour events. The winner of North Oxford will get a QWC to Manchester or Ilkley.
Details here https://www.lta.org.uk/globalassets/competitions/adult-competition/british-tour/2019/womens-wild-cards-from-lta-british-tour-events-to-gb-pro-series-events-2020.pdf