I need RP voiceover of phonemes for a pronunciation app

Hi!

I'm building a British English (RP) pronunciation-learning app and need a single native RP voice recorded for the app's sound library.

I'm checking for standard Received Pronunciation specifically — no R sound in "rather"/"water" (non-rhotic), "bath" said with a long "ah" not a flat "a", a clear T in "water" (not "wa'er"), and the H in "have" kept in.

If that sounds right, here's the job: About 380 short clips total: 88 isolated phoneme sounds (2 speeds each), 280 individual words, and 12 s…