I was using hit btc and they dont allow withdrawal to a bank account - I had to send back to Coinbase and then transfer to my bank account however Coinbase require a fee to setup the bank account..thats the only reason lol
Try kraken.com ? I've used them for euro SEPA transactions, and only paid 0.09 EUR fee per transaction. I can't check if they offer GBP withdrawals though, as my internet provider seems to have routing problems at the moment.According to https://support.kraken.com/hc/en-us/articles/360000382363-Fiat-currencies-available-on-Kraken, Kraken only offers 4 fiats currencies to withdraw to (EUR, USD, JPY and CAD).
But what about cex.io ? They offer GBP withdrawals and are probably more reliable than a random person without a trust rating here.
All the exchanges that do have GBP go via a European bank and you get hit for international wire fees and withdrawal fees that make it not worthwhile for £114. LocalBitcoins is the best option when dealing in small amounts as you can use a free Faster Payments transfer. If the OP doesn't want to use that then there is a fair chance it is to avoid the escrow
CoinBase is introducing GBP via Faster Payments but it has only been enabled on a few accounts so far.