EN postcode area

Columns: Postcode district | Post town | Coverage | Local authority area
EN1 | ENFIELD | Bush Hill Park ; eastern parts of Bulls Cross , Enfield Town , Forty Hill , outskirts of Lower Edmonton | Enfield | EN2 | ENFIELD | Botany Bay , Clay Hill , Crews Hill ; western parts of Bulls Cross , Enfield Chase , Enfield Town , Forty Hill , Gordon Hill | Enfield | EN3 | ENFIELD | Enfield Highway , Enfield Island Village , Enfield Lock , Enfield Wash , Ponders End | Enfield | EN4 | BARNET | Hadley Wood , Cockfosters , East Barnet , New Barnet | Barnet , Enfield | EN5 | BARNET | High Barnet , Arkley | Barnet , Hertsmere | EN6 | POTTERS BAR | Potters Bar , South Mimms , Cuffley , Northaw | Hertsmere , Welwyn Hatfield | EN7 | WALTHAM CROSS | Cheshunt , Goffs Oak , Capel Manor College | Broxbourne , Enfield | EN8 | WALTHAM CROSS | Waltham Cross , Cheshunt , Bullsmoor | Broxbourne , Enfield | EN9 | WALTHAM ABBEY | Waltham Abbey , Nazeing , Upshire | Epping Forest | EN10 | BROXBOURNE | Broxbourne , Wormley , Turnford | Broxbourne , Epping Forest | EN11 | HODDESDON | Hoddesdon , Dobbs Weir | Broxbourne , Epping Forest

Example questions:
How far is this EN-postcode town within the borough formed on 1 April 1974 from the central London ? | What EN-postcode park can be found on the eastern part of this borough where the college with over 30 hectares of land is located ? | What was the population of this EN-postcode district in 2011 located within the area that borders Hertsmere to the northwest ? | What EN-postcode constituency is this district in located in the borough whose borough status was approved on 15 November 2005 ?

Answers:
12 miles | Lee Valley Park | 82,472 | Broxbourne parliamentary constituency