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The MoT Files: Postcodes where you're most likely to pass ... and fail

One of the most surprising aspects to come out of The MoT Files is the amount of regional variations. You might not expect where you live to have an impact on whether your car passes or fails - but it does.

Cars that are MoT'd in the extremities tend to perform worse than areas that are further inland, with the lowest rates in the country made up with coastal postcodes. Harsher conditions appear to equate to a lower pass rate, with the lowest two postcodes - Kirkcaldy and Dundee - both covering Scottish coastal towns. It's a similar story for Plymouth, Truro and Exeter in England.

The south east of England - particularly in and around London - dominates the other end of the table. If you have your MoT carried in Romford (RM), there's roughly a 73 per cent chance that you'll pass. The most common fault - as with most areas - is lighting and signalling. That covers items like blown bulbs, which may only become apparent when your car is MoT'd (especially with defects that aren't immediately obvious like number plate bulbs or brake lights). 

In Kirkcaldy (KY), every other car fails its MoT and you are 12 per cent less likely to pass your first MoT than you are in the rest of the UK. Almost a quarter of cars fail on suspension, while MoT failure for brake problems are twice as likely in Kirkcaldy than the rest of the country. Dacia has the lowest failure rate, but only 160 were tested (compared to more than 26,000 Vauxhalls) and even then it's still 18 per cent higher than elsewhere.

Birmingham carries out more MoT tests than any other postcode area - and by some way, too. In the period that our data focuses on (2016), there were 813,767 tests carried out, significantly more than the second highest, Sheffield, with 599,041. Kirkwall in the Orkney Islands carries out the lowest number of tests, with 23,497. 

Some postcode areas appear to favour particular makes. In Milton Keynes (MK), for instance, Aston Martin has the highest pass rate of any manufacturer and an unusually high number of MoT tests. This anomaly can be attributed to the fact that the firm's servicing and restoration centre is based in Newport Pagnell (MK16) and so it sees a greater number of Aston Martins than anywhere else.

Pass Rate by Postcode

Postcode Area Name Number of Tests Pass Rate
AB Aberdeen 218,596 58.0%
BA Bath 243,177 59.2%
B Birmingham 813,767 67.5%
BB Blackburn 218,434 66.5%
FY Blackpool 114,299 60.9%
BL Bolton 194,259 66.4%
BH Bournemouth 296,812 59.9%
BD Bradford 235,959 61.7%
BN Brighton 346,294 59.7%
BS Bristol 486,364 58.2%
BR Bromley 110,508 71.5%
CB Cambridge 194,384 65.6%
CT Canterbury 210,961 62.4%
CF Cardiff 437,965 60.0%
CA Carlisle 157,319 63.0%
CM Chelmsford 335,708 70.3%
CH Chester 300,836 62.1%
TS Cleveland 246,128 62.7%
CO Colchester 212,107 67.3%
CV Coventry 385,023 66.2%
CW Crewe 160,196 63.6%
CR Croydon 196,009 71.2%
DL Darlington 156,232 63.2%
DA Dartford 201,751 70.1%
DE Derby 361,889 65.7%
DN Doncaster 349,854 65.0%
DT Dorchester 106,663 60.7%
DY Dudley 190,100 64.3%
DG Dumfries 65,898 66.2%
DD Dundee 108,756 53.4%
DH Durham 125,349 63.9%
E East London 251,540 67.6%
EH Edinburgh 338,471 60.6%
EN Enfield 161,033 72.3%
EX Exeter 306,137 56.0%
FK Falkirk 115,827 60.1%
TD Galashiels 52,685 61.8%
G Glasgow 420,364 63.1%
GL Gloucester 347,767 61.5%
GU Guildford 374,771 64.8%
HX Halifax 68,903 62.6%
HG Harrogate 71,820 63.9%
HA Harrow 179,467 66.2%
HP Hemel Hempstead 263,755 67.6%
HR Hereford 105,586 63.6%
HD Huddersfield 105,312 60.6%
HU Hull 184,667 58.0%
IG Ilford 113,917 70.6%
IV Inverness 114,566 60.4%
IP Ipswich 323,921 64.3%
KA Kilmarnock 148,439 62.6%
KT Kingston upon Thames 244,755 69.8%
KY Kirkcaldy 158,356 53.4%
KW Kirkwall 23,497 64.6%
LA Lancaster 148,332 62.0%
LS Leeds 282,052 60.6%
LE Leicester 476,791 67.0%
ZE Lerwick 10,624 59.4%
LN Lincoln 158,708 61.9%
L Liverpool 277,614 65.9%
LD Llandrindod Wells 25,332 60.2%
LL Llandudno 276,732 65.5%
LU Luton 173,504 67.3%
M Manchester 391,703 63.3%
MK Milton Keynes 269,782 64.5%
ML Motherwell 138,377 63.0%
NE Newcastle upon Tyne 441,159 64.2%
NP Newport 228,475 62.1%
N North London 215,390 66.6%
NW North West London 201,410 67.9%
NN Northampton 337,862 61.2%
NR Norwich 382,827 64.6%
NG Nottingham 508,875 61.5%
OL Oldham 178,127 65.2%
HS Outer Hebrides 12,472 64.4%
OX Oxford 298,847 64.1%
PA Paisley 123,780 61.8%
PH Perth 79,595 60.3%
PE Peterborough 483,989 64.3%
PL Plymouth 287,474 54.2%
PO Portsmouth 401,357 58.6%
PR Preston 243,935 64.1%
RG Reading 421,553 66.8%
RH Redhill 284,887 66.5%
ME Rochester 296,726 64.7%
RM Romford 236,315 72.7%
SP Salisbury 131,025 60.1%
S Sheffield 599,041 66.3%
SY Shrewsbury 186,231 63.3%
SL Slough 196,820 69.9%
SE South East London 262,595 69.1%
SW South West London 160,604 66.7%
UB Southall 166,051 65.3%
SO Southampton 348,407 62.1%
SS Southend-on-Sea 252,137 70.1%
AL St Albans 123,842 66.8%
SG Stevenage 203,549 66.5%
SK Stockport 273,345 64.8%
ST Stoke-on-Trent 299,261 60.5%
SR Sunderland 93,123 62.0%
SM Sutton 66,413 67.3%
SA Swansea 355,418 61.4%
SN Swindon 239,967 63.7%
TA Taunton 181,812 58.4%
TF Telford 98,692 62.2%
TN Tonbridge 371,186 64.0%
TQ Torquay 146,191 56.1%
TR Truro 167,679 55.1%
TW Twickenham 211,192 68.3%
WF Wakefield 239,087 66.5%
WS Walsall 201,950 63.2%
WA Warrington 286,934 66.5%
WD Watford 118,487 65.7%
W West London 89,540 67.8%
WN Wigan 117,993 63.2%
WV Wolverhampton 180,616 63.2%
WR Worcester 155,503 64.0%
YO York 261,430 61.2%

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Comments

Robert McAuley    on 16 October 2017

This MOT survey is supposedly UK wide so why is Northern Ireland not included?

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