Newton Aycliffe is a town in County Durham, England. Founded in 1947 under the New Towns Act of 1946, the town sits about five miles to the north of Darlington and ten miles to the south of Durham. It is the oldest new town in the north of England, and together with the bordering Aycliffe Village and the north part of School Aycliffe, forms the civil parish of Great Aycliffe.
The town has a large industrial estate to the south of the town, split into three.
On the Heighington Lane Business Park, Lidl have a main distribution centre on Millennium Way, and with RF Micro Devices, are to the south of the estate. The RFMD plant makes electronic wafers using pHEMT technologies (High electron mobility transistor), Gallium arsenide (GaAs) and Gallium nitride (GaN).
Aycliffe Industrial Estate
Aycliffe Industrial Park (nearest to the town)
The Ineos plant (former Hydro Polymers PVC plant) is near the railway.
Newton Aycliffe has a population of over 26,633 people.
Newton Aycliffe is twinned with the town of Perstorp, Sweeden.