Here are the worst 20 list in full:
1. RM8 Dagenham, Becontree, Becontree Heath (Greater London) 55
2. IG2 Gants Hill, Newbury Park, Alborough Hatch (Greater London) 54.9
3. M21 Chorlton-cum-Hardy, Barlow Moor (Manchester) 51.8
4. DN2 Intake, Wheatley, Wheatley-Hills (South Yorkshire) 48.3
5. E18 Woodford and South Woodford (Greater London) 48.2
6. RM11 Hornchurch, Emerson Park, Ardleigh Green (Greater London) 47.1
7. TW11 Teddington, Fulwell, Bushy Park (Greater London) 47.1
8. BD2 Eccleshill, Five Lane Ends, parts of Undercliffe, Fagley, Wrose, Bolton Woods, Poplars Farm, Swain House, Ashbourne (West Yorkshire) 46.9
9. EN4 Hadley Wood, Cockfosters, East Barnet, New Barnet (Greater London) 45.5
10. IG3 Seven Kings, Goodmayes, Hainault, Chignell (Greater London) 44
11. BD18 Saltaire, Shipley, Windhill, Wrose (West Yorkshire) 43.6
12. W4 Chiswick, Gunnersbury, Turnham Green, Acton Green, Bedford Park (London) 43
13. TW5 Heston, North Cranford, West Osterley (Greater London) 42.9
14. IG8 Woodford Green, Woodford Bridge, Highams Park (Greater London) 42.5
15. LS28 Bagley, Calverley, Farsley, Pudsey, Stanningley (West Yorkshire) 42.2
16. BR5 West Wickham (Greater London) 42.1
17. UB6 Greenford, Perivale (Greater London) 41.9
18. UB4 North Hayes, Yeading (Greater London) 41.6
19. N11 New Southgate, Friern Barnet, Bounds Green, Arnos Grove (London) 41.1
20. LS15 Austhorpe, Barwick-in-Elmet, Colton, Cross Gates, Galton, Halton Moor, Manston, Pendas Fields, Scholes, Temple Newsam, Whitkirk (West Yorkshire) 40.8
Here are the top 20 best list in full:
1. DD2 Lochee, Blackness, Ninewells, Menziehill, Charleston, Balgay, Ardler and Logie Dundee, Scotland 0
1. DG1 Dumfries Dumfries and Galloway, Scotland 0
1. G83 Aldochlay, Ardlui, Balloch, Bonhill, Gartocharn, Inverarnan, Jamestown, Luss, Renton, Tarbet Bute, Scotland 0
1. IP11 Felixstowe, Trimley St. Martin, Trimley St. Mary Suffolk 0
1. LL57 Bangor, Llanllechid, Rachub, Talybont, Bethesda, Glasinfryn, Llandygai, Mynydd Llandygai, Rhiwlas, Tregart Gwynedd, Wales 0
6. CA28 Whitehaven, Sandwith & Hensingham Cumbria 1.3
7. BT48 Londonderry, Cityside, Ballynagard, Coshquin, Rosemount, The Collon, Culmore Northern Ireland 1.36
8. PH2 South & East Perth Perth, Scotland 1.51
8. BT41 Antrim, Dunadry, Muckamore, Randalstown, Toomebridge Northern Ireland 1.51
10. FK7 Bannockburn, Cambusbarron, Cowie, Fallin, Plean, South Alloa, St. Ninians Stirling, Scotland 1.59
11. SO22 Badger Farm, Fulflood, Hursley, Littleton and Harestock, Olivers Battery, Pitt, St Cross, Stanmore, Weeke (Winchester) Hampshire 1.6
12. PO22 Bognor Regis, Barnham, Elmer, Felpham, Middleton-on-Sea West Sussex 1.63
13. YO16 Bridlington, Bempton, Bessingby, Boynton, Buckton, Carnaby, Grindale, Sewerby East Yorkshire 1.66
14. SP4 Amesbury Wiltshire 1.84
15 CT1 Canterbury South and City Centre Kent 1.93
16. G78 Barrhead, Neilston, Uplawmoo Glasgow, Scotland 1.97
17. LL65 Holyhead, Trearddur Bay, Four Mile Bridge, Rhoscolyn, Bodedern, Bryngwran, Caergeiliog, Llanynghenedl, Trefor, Valley, Gwalchmai, Llanddeusant, Llanfachraeth, Llanfaethlu, Llanfairynghornwy, Llanrhyddlad, Rhydwyn Isle of Anglesey, Wales 1.98
18. TS17 Thornaby, Ingleby Barwick, Stainton Middlesborough 2.25
19. NR31 Gorleston, Bradwe Great Yarmouth 2.37
20. EX39 Bideford, Lundy Island Devon 2.52
