The SRA have released updated templates and guidance on what needs up-dating. Changes to the websites of law firms regulated by the SRA need to be carried out by 6th December 2018
There is also a new digital badge to use.
Further information is at http://www.sra.org.uk/sra/news/press/price-transparency-digital-badge-confirmed.page?src=rss
UPDATE: here’s a link to the SRA’s templates on suggested wording – https://www.sra.org.uk/solicitors/guidance/ethics-guidance/price-transparency.page#templates