Do not exchange your money in the UK. No matter where for how much you will lose money. The exchange rates in the UK and in general all over Europe, especially at the Airports are ridiculously low.
So, bring your currency over. Two well good reasons, You can shop with your Currency ( Sterling – Euro – Dollar ) without any problem whatsoever. Secondly, if you wish to exchange your currency into Turkish Liras, be assured that the exchange rates over here are very high. Also, you won’t have any problem to find a shop who is willing to exchange it for you.
In Sarigerme, everyone -anyone will be happy to exchange your currency into Turkish Liras, Clothing shops, Supermarkets, Pharmacist, Jewellery Shops even the greengrocery in Sarigerme will do this.
British Sterling is floating around 7.50 these days. (24.October.2019) This page will be updated when there is a dramatic change on the currency.