Ok...
A couple of options 5 minutes drive either side of the Tolworth roundabout both good in their different ways.
Mayumi - Surbiton based independent. I've reviewed along with many others when she was at Euston. Now in a flat in Surbiton. Can be found on Gumtree or Friday Ad. Street parking (charges at £1/hour) is available. Charges £85 or £90 per hour for B2b.
Elements - Ewell by pass - shop with attractive selection of Asian girls. Smart premises, with only downside being external shower room and refusal to budge on £60 for b2b which on top of £25 base charge for 30 minutes which they pushed me towards made it too expensive. Excellent massage though from 'Jo Jo' so will try the full hour next time. Street parking available.