The Grant has been reduced, but is still cheaper than buying and fitting a Charging unit by your own electrician

OLEV have changed the subsidy level under the budget. This has gone from £500 down to £350

Example to consider:
The grant scheme is actually still a good offering see below

examples:1.Rolec Home smart untethered 32A (supply and fit) under grant scheme with safety earth, cost to customer £513 including VAT

2.Rolec NOT smart untethered 32A (supply and fit) WITHOUT GRANT with safety earth, cost to customer £780 including VAT

https://www.gov.uk/government/news/update-on-the-infrastructure-grants-schemes