This page provides postcode data for the Hertfordshire English ceremonial county. Hertfordshire contains approximately 453,813 households with a population of about 1,116,077 (2011 census)
| Postcode | Latitude | Longitude | Easting | Northing | Grid reference | Active? |
|---|---|---|---|---|---|---|
| SG12 7LX | 51.81489 | -0.030425 | 535864 | 214752 | TL358147 | Yes |
| SG12 7LY | 51.814975 | -0.029565 | 535923 | 214763 | TL359147 | Yes |
| SG12 7LZ | 51.81604 | -0.02872 | 535978 | 214883 | TL359148 | No |
| SG12 7NA | 51.815351 | -0.027329 | 536076 | 214809 | TL360148 | Yes |
| SG12 7NB | 51.815121 | -0.027049 | 536096 | 214784 | TL360147 | Yes |
| SG12 7ND | 51.815571 | -0.027595 | 536057 | 214833 | TL360148 | Yes |
| SG12 7NE | 51.816287 | -0.025271 | 536215 | 214917 | TL362149 | Yes |
| SG12 7NF | 51.816882 | -0.026914 | 536100 | 214980 | TL360149 | Yes |
| SG12 7NG | 51.816561 | -0.027624 | 536052 | 214943 | TL360149 | Yes |
| SG12 7NH | 51.817066 | -0.024512 | 536265 | 215005 | TL362150 | Yes |
| SG12 7NJ | 51.817873 | -0.026493 | 536126 | 215091 | TL361150 | Yes |
| SG12 7NL | 51.817962 | -0.02485 | 536239 | 215104 | TL362151 | Yes |
| SG12 7NN | 51.819167 | -0.023273 | 536344 | 215241 | TL363152 | Yes |
| SG12 7NP | 51.81853 | -0.025463 | 536195 | 215166 | TL361151 | Yes |
| SG12 7NQ | 51.816904 | -0.026129 | 536154 | 214984 | TL361149 | Yes |
| SG12 7NR | 51.818992 | -0.024587 | 536254 | 215219 | TL362152 | Yes |
| SG12 7NS | 51.818076 | -0.024148 | 536287 | 215118 | TL362151 | Yes |
| SG12 7NT | 51.818843 | -0.025348 | 536202 | 215201 | TL362152 | No |
| SG12 7NU | 51.818363 | -0.026225 | 536143 | 215146 | TL361151 | Yes |
| SG12 7NW | 51.818682 | -0.023295 | 536344 | 215187 | TL363151 | Yes |
| SG12 7NX | 51.819049 | -0.025324 | 536203 | 215224 | TL362152 | Yes |
| SG12 7NY | 51.818516 | -0.026799 | 536103 | 215162 | TL361151 | Yes |
| SG12 7NZ | 51.817625 | -0.02781 | 536036 | 215061 | TL360150 | Yes |
| SG12 7PA | 51.81791 | -0.028189 | 536009 | 215092 | TL360150 | Yes |
| SG12 7PB | 51.81635 | -0.029519 | 535922 | 214916 | TL359149 | Yes |
| SG12 7PD | 51.816205 | -0.028945 | 535962 | 214901 | TL359149 | Yes |
| SG12 7PE | 51.816221 | -0.030425 | 535860 | 214900 | TL358148 | Yes |
| SG12 7PF | 51.81518 | -0.030542 | 535855 | 214784 | TL358147 | Yes |
| SG12 7PG | 51.815406 | -0.030097 | 535885 | 214810 | TL358148 | Yes |
| SG12 7PH | 51.818794 | -0.022448 | 536402 | 215201 | TL364152 | No |
| SG12 7PJ | 51.814988 | -0.019104 | 536644 | 214784 | TL366147 | No |
| SG12 7PL | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG12 7PN | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG12 7PP | 51.82064 | -0.025269 | 536202 | 215401 | TL362154 | No |
| SG12 7PQ | 51.81707 | -0.026876 | 536102 | 215001 | TL361150 | No |
| SG12 7PR | 51.822189 | -0.027015 | 536077 | 215570 | TL360155 | Yes |
| SG12 7PS | 51.817895 | -0.022488 | 536402 | 215101 | TL364151 | No |
| SG12 7PT | 51.817045 | -0.025427 | 536202 | 215001 | TL362150 | No |
| SG12 7PU | 51.82062 | -0.01446 | 536947 | 215419 | TL369154 | Yes |
| SG12 7PW | 51.82364 | -0.007493 | 537418 | 215768 | TL374157 | Yes |
| SG12 7PX | 51.822772 | -0.01467 | 536926 | 215658 | TL369156 | Yes |
| SG12 7PY | 51.821046 | -0.009885 | 537261 | 215475 | TL372154 | Yes |
| SG12 7PZ | 51.822518 | -0.011301 | 537159 | 215636 | TL371156 | Yes |
| SG12 7QA | 51.824115 | -0.007907 | 537388 | 215820 | TL373158 | Yes |
| SG12 7QB | 51.8181 | -0.021274 | 536485 | 215126 | TL364151 | Yes |
| SG12 7QD | 51.821489 | 0.0221 | 539464 | 215585 | TL394155 | Yes |
| SG12 7QE | 51.808802 | -0.012775 | 537099 | 214108 | TL370141 | Yes |
| SG12 7QF | 51.80747 | -0.005247 | 537622 | 213974 | TL376139 | Yes |
| SG12 7QG | 51.816184 | 0.002653 | 538140 | 214958 | TL381149 | Yes |
| SG12 7QH | 51.810739 | -0.00503 | 537627 | 214338 | TL376143 | Yes |
| SG12 7QJ | 51.811614 | 0.010676 | 538707 | 214465 | TL387144 | Yes |
| SG12 7QL | 51.81397 | 0.009621 | 538627 | 214725 | TL386147 | Yes |
| SG12 7QN | 51.814441 | 0.020421 | 539370 | 214798 | TL393147 | Yes |
| SG12 7QP | 51.820404 | 0.013549 | 538878 | 215448 | TL388154 | Yes |
| SG12 7QQ | 51.810254 | 0.006554 | 538427 | 214306 | TL384143 | Yes |
| SG12 7QR | 51.820209 | 0.018662 | 539231 | 215436 | TL392154 | Yes |
| SG12 7QS | 51.821363 | 0.018975 | 539249 | 215565 | TL392155 | Yes |
| SG12 7QT | 51.818398 | 0.019858 | 539319 | 215237 | TL393152 | Yes |
| SG12 7QU | 51.819489 | 0.02233 | 539486 | 215363 | TL394153 | Yes |
| SG12 7QW | 51.816296 | 0.018212 | 539212 | 215000 | TL392149 | Yes |
| SG12 7QX | 51.821234 | 0.022843 | 539516 | 215558 | TL395155 | Yes |
| SG12 7QY | 51.821514 | 0.023306 | 539547 | 215590 | TL395155 | Yes |
| SG12 7QZ | 51.821986 | 0.020933 | 539382 | 215638 | TL393156 | Yes |
| SG12 7RA | 51.82198 | 0.024966 | 539660 | 215645 | TL396156 | Yes |
| SG12 7RB | 51.823288 | 0.033021 | 540211 | 215806 | TL402158 | Yes |
| SG12 7RD | 51.827813 | 0.03813 | 540549 | 216319 | TL405163 | Yes |
| SG12 7RE | 51.824967 | 0.02957 | 539968 | 215986 | TL399159 | Yes |
| SG12 7RF | 51.824554 | 0.030059 | 540003 | 215941 | TL400159 | Yes |
| SG12 7RG | 51.826531 | 0.027507 | 539821 | 216156 | TL398161 | Yes |
| SG12 7RH | 51.821837 | 0.022783 | 539510 | 215625 | TL395156 | Yes |
| SG12 7RJ | 51.822107 | 0.022781 | 539509 | 215655 | TL395156 | Yes |
| SG12 7RL | 51.822244 | 0.021612 | 539428 | 215668 | TL394156 | Yes |
| SG12 7RN | 51.822433 | 0.021591 | 539426 | 215689 | TL394156 | No |
| SG12 7RP | 51.822614 | 0.021556 | 539423 | 215709 | TL394157 | Yes |
| SG12 7RQ | 51.822128 | 0.023116 | 539532 | 215658 | TL395156 | Yes |
| SG12 7RR | 51.82445 | 0.021957 | 539445 | 215914 | TL394159 | Yes |
| SG12 7RS | 51.826622 | 0.021721 | 539422 | 216155 | TL394161 | Yes |
| SG12 7RT | 51.825496 | 0.02183 | 539433 | 216030 | TL394160 | Yes |
| SG12 7RU | 51.826909 | 0.023838 | 539567 | 216191 | TL395161 | Yes |
| SG12 7RW | 51.822572 | 0.019798 | 539302 | 215701 | TL393157 | No |
| SG12 7RX | 51.827006 | 0.02184 | 539429 | 216198 | TL394161 | Yes |
| SG12 7RY | 51.826976 | 0.020474 | 539335 | 216192 | TL393161 | Yes |
| SG12 7RZ | 51.827243 | 0.019586 | 539273 | 216220 | TL392162 | Yes |
| SG12 7SA | 51.826929 | 0.019529 | 539270 | 216185 | TL392161 | Yes |
| SG12 7SB | 51.826102 | 0.021059 | 539378 | 216096 | TL393160 | Yes |
| SG12 7SD | 51.827554 | 0.015043 | 538959 | 216246 | TL389162 | Yes |
| SG12 7SE | 51.818707 | -0.021001 | 536502 | 215194 | TL365151 | Yes |
| SG12 7SF | 51.830709 | 0.01726 | 539102 | 216601 | TL391166 | No |
| SG12 7SG | 51.818185 | -0.018862 | 536651 | 215140 | TL366151 | Yes |
| SG12 7SH | 51.835188 | 0.025051 | 539625 | 217114 | TL396171 | Yes |
| SG12 7SJ | 51.839761 | 0.032064 | 540094 | 217636 | TL400176 | Yes |
| SG12 7SL | 51.843572 | 0.013901 | 538831 | 218025 | TL388180 | Yes |
| SG12 7SN | 51.835932 | 0.003152 | 538114 | 217155 | TL381171 | Yes |
| SG12 7SP | 51.83454 | -0.002802 | 537708 | 216989 | TL377169 | Yes |
| SG12 7SQ | 51.817696 | -0.020247 | 536557 | 215083 | TL365150 | Yes |
| SG12 7SR | 51.826251 | 0.019223 | 539251 | 216109 | TL392161 | Yes |
| SG12 7SS | 51.826141 | 0.021409 | 539402 | 216101 | TL394161 | No |
| SG12 7ST | 51.826141 | 0.021409 | 539402 | 216101 | TL394161 | No |
| SG12 7SU | 51.826141 | 0.021409 | 539402 | 216101 | TL394161 | No |
| SG12 7SW | 51.835737 | 0.002447 | 538066 | 217132 | TL380171 | Yes |
| SG12 7SX | 51.826141 | 0.021409 | 539402 | 216101 | TL394161 | No |
| SG12 7SY | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG12 7SZ | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG12 7TA | 51.826141 | 0.021409 | 539402 | 216101 | TL394161 | No |
| SG12 7TB | 51.814988 | -0.019104 | 536644 | 214784 | TL366147 | No |
| SG12 7TD | 51.814988 | -0.019118 | 536643 | 214784 | TL366147 | No |
| SG12 7TE | 51.815234 | -0.018788 | 536665 | 214812 | TL366148 | No |
| SG12 7TF | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG12 7TH | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG12 7TJ | 51.814988 | -0.019104 | 536644 | 214784 | TL366147 | No |
| SG12 7TL | 51.818144 | -0.020707 | 536524 | 215132 | TL365151 | No |
| SG12 7TP | 51.826141 | 0.021409 | 539402 | 216101 | TL394161 | No |
| SG12 7TR | 51.814988 | -0.019118 | 536643 | 214784 | TL366147 | No |
| SG12 7TS | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG12 7TT | 51.814988 | -0.019104 | 536644 | 214784 | TL366147 | No |
| SG12 7TU | 51.814988 | -0.019118 | 536643 | 214784 | TL366147 | No |
| SG12 7TX | 51.814988 | -0.019104 | 536644 | 214784 | TL366147 | No |
| SG12 7TY | 51.814988 | -0.019104 | 536644 | 214784 | TL366147 | No |
| SG12 7TZ | 51.814988 | -0.019104 | 536644 | 214784 | TL366147 | No |
| SG12 7UA | 51.814988 | -0.019104 | 536644 | 214784 | TL366147 | No |
| SG12 7UB | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG12 7UD | 51.826141 | 0.021409 | 539402 | 216101 | TL394161 | No |
| SG12 7UE | 51.815234 | -0.018788 | 536665 | 214812 | TL366148 | No |
| SG12 7UF | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG12 7UG | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG12 7UH | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG12 7WA | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG12 7WB | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG12 7WD | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG12 7WE | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG12 7WF | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG12 7WG | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG12 7WH | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG12 7WJ | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG12 7WN | 51.815326 | -0.026401 | 536140 | 214808 | TL361148 | Yes |
| SG12 7WW | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG12 7WX | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG12 7WY | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG12 7WZ | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG12 7XA | 51.812671 | -0.029448 | 535938 | 214507 | TL359145 | Yes |
| SG12 7XJ | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG12 7ZD | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG12 7ZG | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG12 7ZJ | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG12 7ZL | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG12 7ZN | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG12 7ZP | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG12 7ZQ | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG12 7ZR | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG12 7ZS | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG12 7ZT | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG12 7ZU | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG12 7ZW | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG12 7ZY | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG12 8AA | 51.788893 | 0.007853 | 538582 | 211933 | TL385119 | Yes |
| SG12 8AB | 51.788467 | 0.007515 | 538560 | 211885 | TL385118 | Yes |
| SG12 8AD | 51.787653 | 0.007262 | 538545 | 211794 | TL385117 | Yes |
| SG12 8AE | 51.788349 | 0.00651 | 538491 | 211870 | TL384118 | Yes |
| SG12 8AF | 51.787364 | 0.006828 | 538516 | 211761 | TL385117 | Yes |
| SG12 8AG | 51.788143 | 0.005428 | 538417 | 211845 | TL384118 | Yes |
| SG12 8AH | 51.787274 | 0.004693 | 538369 | 211747 | TL383117 | Yes |
| SG12 8AJ | 51.787342 | 0.005494 | 538424 | 211756 | TL384117 | Yes |
| SG12 8AL | 51.786312 | 0.004708 | 538373 | 211640 | TL383116 | Yes |
| SG12 8AN | 51.801133 | 0.05259 | 541629 | 213380 | TL416133 | Yes |
| SG12 8AP | 51.786824 | 0.00418 | 538335 | 211696 | TL383116 | Yes |
| SG12 8AQ | 51.788012 | 0.004131 | 538328 | 211828 | TL383118 | Yes |
| SG12 8AR | 51.79274 | 0.008474 | 538613 | 212362 | TL386123 | Yes |
| SG12 8AS | 51.788448 | 0.005499 | 538421 | 211879 | TL384118 | Yes |
| SG12 8AT | 51.788926 | 0.005926 | 538449 | 211933 | TL384119 | Yes |
| SG12 8AW | 51.784045 | 0.000519 | 538091 | 211380 | TL380113 | Yes |
| SG12 8AX | 51.787922 | -0.001658 | 537929 | 211807 | TL379118 | Yes |
| SG12 8AY | 51.788884 | -0.002732 | 537852 | 211912 | TL378119 | Yes |
| SG12 8AZ | 51.788666 | -0.00309 | 537828 | 211887 | TL378118 | Yes |
| SG12 8BA | 51.79011 | -0.004461 | 537729 | 212045 | TL377120 | Yes |
| SG12 8BB | 51.789222 | -0.005646 | 537650 | 211944 | TL376119 | Yes |
| SG12 8BD | 51.788944 | -0.004092 | 537758 | 211916 | TL377119 | Yes |
| SG12 8BE | 51.788213 | -0.004516 | 537731 | 211834 | TL377118 | Yes |
| SG12 8BF | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG12 8BG | 51.788331 | -0.006149 | 537618 | 211844 | TL376118 | Yes |
| SG12 8BH | 51.787699 | -0.003872 | 537777 | 211778 | TL377117 | Yes |
| SG12 8BJ | 51.787839 | -0.005229 | 537683 | 211791 | TL376117 | Yes |
| SG12 8BL | 51.787202 | -0.004242 | 537753 | 211722 | TL377117 | Yes |
| SG12 8BN | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG12 8BP | 51.787801 | 0.002295 | 538202 | 211801 | TL382118 | No |
| SG12 8BQ | 51.788108 | -0.006261 | 537611 | 211819 | TL376118 | Yes |
| SG12 8BS | 51.790582 | 0.01006 | 538729 | 212125 | TL387121 | Yes |
| SG12 8BT | 51.788601 | 0.00813 | 538602 | 211901 | TL386119 | No |
| SG12 8BU | 51.789875 | 0.009347 | 538682 | 212045 | TL386120 | Yes |
| SG12 8BW | 51.789113 | -0.006666 | 537580 | 211930 | TL375119 | Yes |
| SG12 8BX | 51.792073 | 0.010663 | 538766 | 212292 | TL387122 | Yes |
| SG12 8BY | 51.793107 | 0.006474 | 538474 | 212399 | TL384123 | Yes |
| SG12 8BZ | 51.788729 | 0.009571 | 538701 | 211918 | TL387119 | Yes |
| SG12 8DA | 51.793718 | 0.006516 | 538475 | 212467 | TL384124 | Yes |
| SG12 8DB | 51.795486 | 0.004086 | 538302 | 212659 | TL383126 | Yes |
| SG12 8DD | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG12 8DE | 51.786663 | 0.000447 | 538078 | 211671 | TL380116 | Yes |
| SG12 8DF | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG12 8DG | 51.789196 | -0.000935 | 537975 | 211950 | TL379119 | Yes |
| SG12 8DH | 51.787528 | 0.002457 | 538214 | 211771 | TL382117 | Yes |
| SG12 8DJ | 51.787024 | 0.002478 | 538217 | 211715 | TL382117 | Yes |