Side ▁ ▁Hur worth - on - Te es ▁ ▁Hur worth ▁Place ▁ ▁K iller by ▁ ▁Little ▁St ain ton ▁ ▁Low ▁D ins dale ▁ ▁Middle ton ▁One ▁Row ▁ ▁Middle ton ▁St ▁George ▁ ▁Ne ash am ▁ ▁Oak ▁Tree ▁ ▁Pier ce bridge ▁ ▁Red worth ▁ ▁Sad ber ge ▁ ▁Summer house ▁ ▁Wal worth ▁Gate ▁ ▁Wal worth ▁ ▁It ▁is ▁also ▁home ▁to ▁Dur ham ▁Te es ▁Valley ▁Airport ▁( pre viously ▁known ▁as ▁Te ess ide ▁International ▁Airport ), ▁of ▁which ▁the ▁bor ough ▁council ▁shares ▁joint ▁ownership ▁with ▁the ▁other ▁four ▁Te es ▁Valley ▁coun c ils ▁and ▁Pe el ▁Hold ings . ▁ ▁The ▁council ▁oper ates ▁a ▁Le ader ▁and ▁Cab inet ▁model ▁of ▁political ▁leadership ▁although ▁a ▁group ▁of ▁local ▁residents ▁aim ed ▁to ▁force ▁a ▁refer endum ▁on ▁moving ▁to ▁a ▁system ▁with ▁directly - elect ed ▁executive ▁Mayor . ▁Their ▁bid ▁was ▁un success ful . ▁ ▁The ▁political ▁composition ▁of ▁the ▁council , ▁as ▁of ▁a ▁May ▁ 2 0 1 9 ▁local ▁elections , ▁is ▁ ▁Conserv ative ▁ 2 2 ; Lab our ▁ 2 0 ; ▁Liberal ▁Democr ats ▁ 3 ; ▁Independent ▁ 3 ▁and ▁Green ▁Party ▁ 2 . ▁ ▁Econom y ▁This ▁is ▁a ▁chart ▁of ▁tr end ▁of ▁regional ▁gross ▁value ▁added ▁of ▁Dar ling ton ▁at ▁current ▁basic ▁prices ▁published ▁( pp .   2 4 0 – 2 5 3 ) ▁by ▁Office ▁for ▁National ▁Statistics ▁with ▁figures