...city of Middlesborough which is just a 35-minute drive. County Durham sits between Newcastle, Sunderland and Hartlepool and ...area for lucrative investment, with The Telegraph noting that County Durham is an area with some of the best returns for buy-to-let ...Middlesborough which is just a 35-minute drive. County Durham sits between Newcastle, Sunderland and Hartlepool and is within ...lucrative investment, with The Telegraph noting that County Durham is an area with some of the best returns for buy-to-let property