Postcode district outlook

Hosepipe ban in SN3

The hosepipe ban position for the SN3 postcode district — 1,304 live postcodes, served mostly by Thames Water — checked against the national index on 19 August 2026. This is an index check, not a prediction.

The answer for SN3

No ban listed

No Temporary Use Ban is listed in the national index for SN3. Thames Water is the primary supplier.

Postcodes: 1,304
Primary supplier: Thames Water
Share of district: 100%
Sectors: 8

Water-supply boundaries can cross postcode districts. View the official notice · Check an exact postcode for a definitive answer

Garden watering decision · SN3

Do not use a hosepipe

Hold off

A hosepipe restriction is active for this supply area. Follow your supplier’s notice and use only the watering methods it permits.

No weather-led watering estimate is being shown. This card updates automatically when a fresh forecast is published.

An official hosepipe restriction is currently active.

Estimate for an established mixed garden border · SN3 district

The answer compares the latest Met Office forecast with an estimated garden water need. It is guidance, not a precise measurement, and a hosepipe ban always takes priority.

Enter your complete postcode for a more precise result

Water suppliers covering SN3

The supplier split is mapped from the district’s centroid across the published water resource zones and is a guide, not an address-level guarantee.

Thames Water
Active100% of mapped units · high confidence · Full status page

Water resource zones near SN3

SN3 maps to the water resource zone below. Zones are the official planning areas suppliers use to report how much water they have.

SWOX

Find your exact postcode

Every live postcode in SN3 is listed below. Choose one to open its local water outlook, or use the search box to find a specific address.

Search postcodes in SN3

Pick a postcode to open its local water outlook

SN3 0 (19 postcodes)

SN3 0AD SN3 0AE SN3 0AF SN3 0AG SN3 0AH SN3 0AJ SN3 0AL SN3 0AN SN3 0AP SN3 0AQ SN3 0AS SN3 0AT SN3 0AU SN3 0AW SN3 0AX SN3 0BA SN3 0BD SN3 0BE SN3 0BF

SN3 1 (212 postcodes)

SN3 1AA SN3 1AB SN3 1AD SN3 1AE SN3 1AF SN3 1AG SN3 1AH SN3 1AL SN3 1AN SN3 1AQ SN3 1AR SN3 1AS SN3 1AT SN3 1AU SN3 1AW SN3 1AX SN3 1AY SN3 1AZ SN3 1BA SN3 1BB SN3 1BF SN3 1BG SN3 1BH SN3 1BJ SN3 1BL SN3 1BN SN3 1BP SN3 1BQ SN3 1BS SN3 1BT SN3 1BU SN3 1BW SN3 1BX SN3 1BY SN3 1BZ SN3 1DA SN3 1DB SN3 1DD SN3 1DE SN3 1DH SN3 1DJ SN3 1DL SN3 1DN SN3 1DP SN3 1DQ SN3 1DR SN3 1DS SN3 1DT SN3 1DU SN3 1DW SN3 1DX SN3 1DY SN3 1DZ SN3 1EA SN3 1EB SN3 1ED SN3 1EE SN3 1EF SN3 1EG SN3 1EH SN3 1EJ SN3 1EL SN3 1EP SN3 1EQ SN3 1ER SN3 1ES SN3 1ET SN3 1EU SN3 1EW SN3 1EX SN3 1EY SN3 1EZ SN3 1FB SN3 1FD SN3 1FE SN3 1FF SN3 1FG SN3 1FH SN3 1FJ SN3 1FL SN3 1FN SN3 1FP SN3 1FQ SN3 1FR SN3 1FS SN3 1FT SN3 1FU SN3 1FW SN3 1FX SN3 1FY SN3 1HA SN3 1HB SN3 1HD SN3 1HE SN3 1HF SN3 1HG SN3 1HP SN3 1HR SN3 1HS SN3 1HT SN3 1HU SN3 1HW SN3 1HX SN3 1HY SN3 1HZ SN3 1JA SN3 1JB SN3 1JD SN3 1JE SN3 1JF SN3 1JG SN3 1JJ SN3 1JL SN3 1JP SN3 1JQ SN3 1JR SN3 1JS SN3 1JT SN3 1JU SN3 1JX SN3 1JY SN3 1JZ SN3 1LA SN3 1LB SN3 1LD SN3 1LE SN3 1LF SN3 1LG SN3 1LH SN3 1LJ SN3 1LL SN3 1LN SN3 1LQ SN3 1LU SN3 1LW SN3 1LX SN3 1NA SN3 1NB SN3 1ND SN3 1NE SN3 1NF SN3 1NG SN3 1NH SN3 1NJ SN3 1NL SN3 1NN SN3 1NP SN3 1NQ SN3 1NR SN3 1NS SN3 1NT SN3 1NU SN3 1NW SN3 1NX SN3 1PA SN3 1PB SN3 1PD SN3 1PG SN3 1PH SN3 1PJ SN3 1PL SN3 1PN SN3 1PP SN3 1PR SN3 1PS SN3 1PT SN3 1PU SN3 1PW SN3 1PX SN3 1PY SN3 1PZ SN3 1QA SN3 1QB SN3 1QD SN3 1QE SN3 1QF SN3 1QG SN3 1QJ SN3 1QL SN3 1QP SN3 1QQ SN3 1QR SN3 1QT SN3 1QU SN3 1QW SN3 1QX SN3 1QY SN3 1RA SN3 1RG SN3 1RJ SN3 1RL SN3 1RN SN3 1RP SN3 1RR SN3 1RS SN3 1RT SN3 1RU SN3 1RX SN3 1RY SN3 1RZ SN3 1SA SN3 1SB SN3 1SD SN3 1SE SN3 1SF SN3 1SH SN3 1TA SN3 1TH SN3 1TS SN3 1TX SN3 1TY SN3 1UJ

SN3 2 (223 postcodes)

SN3 2AA SN3 2AB SN3 2AD SN3 2AE SN3 2AF SN3 2AG SN3 2AH SN3 2AJ SN3 2AL SN3 2AN SN3 2AP SN3 2AQ SN3 2AR SN3 2AS SN3 2AT SN3 2AU SN3 2AW SN3 2AX SN3 2AY SN3 2AZ SN3 2BA SN3 2BB SN3 2BD SN3 2BE SN3 2BG SN3 2BH SN3 2BN SN3 2BP SN3 2BQ SN3 2BS SN3 2BT SN3 2BU SN3 2BW SN3 2BX SN3 2BY SN3 2BZ SN3 2DA SN3 2DB SN3 2DD SN3 2DE SN3 2DF SN3 2DG SN3 2DH SN3 2DJ SN3 2DL SN3 2DN SN3 2DP SN3 2DQ SN3 2DR SN3 2DS SN3 2DT SN3 2DU SN3 2DW SN3 2DX SN3 2DY SN3 2DZ SN3 2EA SN3 2EB SN3 2ED SN3 2EE SN3 2EF SN3 2EG SN3 2EH SN3 2EJ SN3 2EL SN3 2EN SN3 2EP SN3 2EQ SN3 2ER SN3 2ES SN3 2ET SN3 2EU SN3 2EW SN3 2EX SN3 2EY SN3 2EZ SN3 2FA SN3 2FB SN3 2FD SN3 2FE SN3 2FF SN3 2FG SN3 2FH SN3 2FJ SN3 2FL SN3 2FN SN3 2FP SN3 2FQ SN3 2FR SN3 2FS SN3 2FT SN3 2FW SN3 2GD SN3 2GG SN3 2GN SN3 2GQ SN3 2GR SN3 2GS SN3 2GT SN3 2GU SN3 2GW SN3 2GX SN3 2GY SN3 2GZ SN3 2HA SN3 2HB SN3 2HD SN3 2HE SN3 2HF SN3 2HH SN3 2HJ SN3 2HL SN3 2HN SN3 2HP SN3 2HR SN3 2HS SN3 2HT SN3 2HU SN3 2HW SN3 2HX SN3 2HY SN3 2HZ SN3 2JA SN3 2JB SN3 2JD SN3 2JE SN3 2JF SN3 2JG SN3 2JH SN3 2JJ SN3 2JL SN3 2JN SN3 2JQ SN3 2JU SN3 2JW SN3 2JX SN3 2JZ SN3 2LA SN3 2LB SN3 2LD SN3 2LE SN3 2LF SN3 2LG SN3 2LH SN3 2LJ SN3 2LL SN3 2LN SN3 2LQ SN3 2LW SN3 2LX SN3 2LY SN3 2LZ SN3 2NA SN3 2NB SN3 2ND SN3 2NE SN3 2NF SN3 2NG SN3 2NH SN3 2NJ SN3 2NL SN3 2NN SN3 2NP SN3 2NQ SN3 2NR SN3 2NS SN3 2NT SN3 2NU SN3 2NW SN3 2NX SN3 2NY SN3 2NZ SN3 2PA SN3 2PB SN3 2PD SN3 2PE SN3 2PF SN3 2PG SN3 2PH SN3 2PJ SN3 2PL SN3 2PN SN3 2PP SN3 2PQ SN3 2PR SN3 2PT SN3 2PU SN3 2PW SN3 2PX SN3 2PY SN3 2PZ SN3 2QA SN3 2QB SN3 2QD SN3 2QE SN3 2QF SN3 2QG SN3 2QH SN3 2QJ SN3 2QL SN3 2QN SN3 2QP SN3 2QQ SN3 2QR SN3 2QW SN3 2QX SN3 2QY SN3 2QZ SN3 2RA SN3 2RB SN3 2RD SN3 2RE SN3 2RF SN3 2RG SN3 2RH SN3 2RJ SN3 2RL SN3 2RN SN3 2RP SN3 2RQ SN3 2RR SN3 2RS SN3 2RW

SN3 3 (227 postcodes)

SN3 3AA SN3 3AB SN3 3AD SN3 3AE SN3 3AF SN3 3AG SN3 3AH SN3 3AJ SN3 3AL SN3 3AN SN3 3AP SN3 3AQ SN3 3AR SN3 3AS SN3 3AT SN3 3AU SN3 3AW SN3 3AX SN3 3AY SN3 3AZ SN3 3BA SN3 3BB SN3 3BD SN3 3BE SN3 3BF SN3 3BG SN3 3BH SN3 3BL SN3 3BN SN3 3BQ SN3 3BS SN3 3BT SN3 3BU SN3 3BW SN3 3BX SN3 3BY SN3 3BZ SN3 3DA SN3 3DB SN3 3DD SN3 3DE SN3 3DF SN3 3DG SN3 3DH SN3 3DJ SN3 3DL SN3 3DN SN3 3DP SN3 3DQ SN3 3DR SN3 3DS SN3 3DT SN3 3DU SN3 3DW SN3 3DX SN3 3DY SN3 3DZ SN3 3EA SN3 3EB SN3 3ED SN3 3EE SN3 3EF SN3 3EG SN3 3EH SN3 3EJ SN3 3EL SN3 3EN SN3 3EP SN3 3EQ SN3 3ER SN3 3ES SN3 3ET SN3 3EU SN3 3EW SN3 3EX SN3 3EY SN3 3EZ SN3 3FA SN3 3FB SN3 3FD SN3 3FE SN3 3FF SN3 3FG SN3 3FH SN3 3FJ SN3 3FL SN3 3FN SN3 3FP SN3 3FQ SN3 3FR SN3 3FS SN3 3FT SN3 3FU SN3 3FW SN3 3FX SN3 3FY SN3 3FZ SN3 3GA SN3 3GB SN3 3GD SN3 3GE SN3 3GF SN3 3GG SN3 3GH SN3 3GJ SN3 3GL SN3 3GN SN3 3GP SN3 3GQ SN3 3GR SN3 3GS SN3 3GT SN3 3GU SN3 3HA SN3 3HB SN3 3HD SN3 3HE SN3 3HF SN3 3HG SN3 3HH SN3 3HJ SN3 3HL SN3 3HN SN3 3HQ SN3 3HT SN3 3HX SN3 3JB SN3 3JD SN3 3JE SN3 3JF SN3 3JJ SN3 3JN SN3 3JP SN3 3JW SN3 3LA SN3 3LD SN3 3LH SN3 3LL SN3 3LR SN3 3LS SN3 3LT SN3 3LU SN3 3LX SN3 3LY SN3 3LZ SN3 3NA SN3 3NB SN3 3ND SN3 3NE SN3 3NF SN3 3NG SN3 3NH SN3 3NJ SN3 3NL SN3 3NN SN3 3NP SN3 3NQ SN3 3NR SN3 3NS SN3 3NT SN3 3NU SN3 3NW SN3 3NX SN3 3NY SN3 3PA SN3 3PB SN3 3PD SN3 3PE SN3 3PF SN3 3PG SN3 3PH SN3 3PJ SN3 3PL SN3 3PN SN3 3PP SN3 3PQ SN3 3PR SN3 3PS SN3 3PT SN3 3PU SN3 3PW SN3 3PX SN3 3PY SN3 3PZ SN3 3QB SN3 3RA SN3 3RB SN3 3RD SN3 3RE SN3 3RF SN3 3RG SN3 3RH SN3 3RJ SN3 3RL SN3 3RN SN3 3RP SN3 3RQ SN3 3RT SN3 3RU SN3 3RW SN3 3RX SN3 3RZ SN3 3SA SN3 3SB SN3 3SD SN3 3SE SN3 3SG SN3 3SQ SN3 3SU SN3 3SX SN3 3SY SN3 3TA SN3 3TB SN3 3TD SN3 3TE SN3 3TF SN3 3TG SN3 3TH SN3 3TJ SN3 3TL SN3 3TN SN3 3TP SN3 3TQ SN3 3TR SN3 3TY SN3 3TZ SN3 3UH

SN3 4 (327 postcodes)

SN3 4AA SN3 4AB SN3 4AD SN3 4AE SN3 4AF SN3 4AG SN3 4AH SN3 4AJ SN3 4AL SN3 4AN SN3 4AP SN3 4AQ SN3 4AR SN3 4AS SN3 4AT SN3 4AU SN3 4AW SN3 4AX SN3 4AY SN3 4AZ SN3 4BA SN3 4BB SN3 4BD SN3 4BE SN3 4BF SN3 4BG SN3 4BH SN3 4BJ SN3 4BL SN3 4BN SN3 4BP SN3 4BQ SN3 4BS SN3 4BT SN3 4BU SN3 4BW SN3 4BX SN3 4BY SN3 4BZ SN3 4DA SN3 4DB SN3 4DD SN3 4DE SN3 4DF SN3 4DH SN3 4DJ SN3 4DL SN3 4DN SN3 4DP SN3 4DQ SN3 4DR SN3 4DS SN3 4DT SN3 4DU SN3 4DW SN3 4DX SN3 4DY SN3 4DZ SN3 4EA SN3 4EB SN3 4ED SN3 4EE SN3 4EF SN3 4EG SN3 4EH SN3 4EJ SN3 4EL SN3 4EN SN3 4EP SN3 4EQ SN3 4ER SN3 4ES SN3 4ET SN3 4EU SN3 4EW SN3 4EX SN3 4EY SN3 4EZ SN3 4FA SN3 4FB SN3 4FD SN3 4FE SN3 4FF SN3 4FG SN3 4FH SN3 4FJ SN3 4FL SN3 4FN SN3 4FQ SN3 4FR SN3 4FS SN3 4FW SN3 4FX SN3 4FY SN3 4GA SN3 4GD SN3 4GF SN3 4GH SN3 4GJ SN3 4GL SN3 4GQ SN3 4GR SN3 4GU SN3 4HA SN3 4HB SN3 4HD SN3 4HE SN3 4HF SN3 4HG SN3 4HH SN3 4HJ SN3 4HL SN3 4HN SN3 4HP SN3 4HQ SN3 4HR SN3 4HS SN3 4HT SN3 4HU SN3 4HW SN3 4HX SN3 4HY SN3 4HZ SN3 4JA SN3 4JB SN3 4JD SN3 4JE SN3 4JG SN3 4JH SN3 4JJ SN3 4JL SN3 4JN SN3 4JP SN3 4JQ SN3 4JR SN3 4JS SN3 4JT SN3 4JU SN3 4JW SN3 4JX SN3 4JY SN3 4JZ SN3 4LA SN3 4LB SN3 4LD SN3 4LE SN3 4LF SN3 4LG SN3 4LH SN3 4LJ SN3 4LL SN3 4LN SN3 4LQ SN3 4LR SN3 4LS SN3 4LT SN3 4LU SN3 4LW SN3 4LX SN3 4LY SN3 4LZ SN3 4NA SN3 4NB SN3 4ND SN3 4NE SN3 4NF SN3 4NG SN3 4NH SN3 4NJ SN3 4NL SN3 4NN SN3 4NP SN3 4NQ SN3 4NR SN3 4NS SN3 4NT SN3 4NU SN3 4NW SN3 4NX SN3 4NY SN3 4NZ SN3 4PA SN3 4PB SN3 4PD SN3 4PE SN3 4PF SN3 4PG SN3 4PH SN3 4PJ SN3 4PL SN3 4PN SN3 4PP SN3 4PQ SN3 4PR SN3 4PS SN3 4PT SN3 4PU SN3 4PW SN3 4PY SN3 4PZ SN3 4QA SN3 4QB SN3 4QD SN3 4QF SN3 4QG SN3 4QH SN3 4QL SN3 4QN SN3 4QP SN3 4QQ SN3 4QR SN3 4QS SN3 4QT SN3 4QU SN3 4QW SN3 4QX SN3 4QY SN3 4QZ SN3 4RB SN3 4RG SN3 4RH SN3 4RJ SN3 4RL SN3 4RN SN3 4RP SN3 4RQ SN3 4RR SN3 4RS SN3 4RT SN3 4RU SN3 4RX SN3 4RY SN3 4RZ SN3 4SA SN3 4SB SN3 4SD SN3 4SE SN3 4SF SN3 4SG SN3 4SH SN3 4SJ SN3 4SL SN3 4SN SN3 4SP SN3 4SQ SN3 4SR SN3 4SS SN3 4ST SN3 4SU SN3 4SW SN3 4SX SN3 4SY SN3 4SZ SN3 4TA SN3 4TB SN3 4TD SN3 4TE SN3 4TF SN3 4TG SN3 4TH SN3 4TJ SN3 4TL SN3 4TN SN3 4TP SN3 4TQ SN3 4TR SN3 4TS SN3 4TT SN3 4TU SN3 4TW SN3 4TX SN3 4TY SN3 4UA SN3 4UB SN3 4UD SN3 4UE SN3 4UF SN3 4UG SN3 4UH SN3 4UJ SN3 4UL SN3 4UN SN3 4UP SN3 4UQ SN3 4UR SN3 4US SN3 4UT SN3 4UU SN3 4UW SN3 4UX SN3 4UY SN3 4UZ SN3 4WA SN3 4WB SN3 4WD SN3 4WE SN3 4WF SN3 4WH SN3 4WQ SN3 4WT SN3 4WZ SN3 4XA SN3 4XB SN3 4XD SN3 4XE SN3 4XF SN3 4XG SN3 4XH SN3 4XL SN3 4XN SN3 4XP SN3 4XQ SN3 4XR SN3 4XS SN3 4XT SN3 4XU SN3 4XW SN3 4XX SN3 4XY SN3 4XZ SN3 4YA SN3 4YB SN3 4YD SN3 4YE SN3 4YF SN3 4YH SN3 4YQ

SN3 5 (112 postcodes)

SN3 5AA SN3 5AD SN3 5AE SN3 5AF SN3 5AG SN3 5AH SN3 5AJ SN3 5AL SN3 5AN SN3 5AP SN3 5AQ SN3 5AR SN3 5AS SN3 5AT SN3 5AU SN3 5AW SN3 5AX SN3 5AY SN3 5AZ SN3 5BA SN3 5BB SN3 5BD SN3 5BE SN3 5BG SN3 5BH SN3 5BJ SN3 5BL SN3 5BN SN3 5BP SN3 5BQ SN3 5BS SN3 5BT SN3 5BU SN3 5BW SN3 5BX SN3 5BY SN3 5BZ SN3 5DA SN3 5DB SN3 5DD SN3 5DE SN3 5DF SN3 5DG SN3 5DH SN3 5DJ SN3 5DL SN3 5DN SN3 5DP SN3 5DQ SN3 5DR SN3 5DS SN3 5DT SN3 5DU SN3 5DW SN3 5DX SN3 5DY SN3 5DZ SN3 5EA SN3 5EB SN3 5ED SN3 5EE SN3 5EF SN3 5EG SN3 5EH SN3 5EJ SN3 5EL SN3 5EN SN3 5EP SN3 5EQ SN3 5ER SN3 5ES SN3 5ET SN3 5EU SN3 5EW SN3 5EX SN3 5EY SN3 5EZ SN3 5FA SN3 5FB SN3 5FD SN3 5HE SN3 5HF SN3 5HG SN3 5HH SN3 5HP SN3 5HQ SN3 5HR SN3 5HT SN3 5HX SN3 5HY SN3 5JF SN3 5JG SN3 5JH SN3 5JN SN3 5JQ SN3 5JU SN3 5JX SN3 5JY SN3 5LB SN3 5LD SN3 5LJ SN3 5LL SN3 5LN SN3 5LP SN3 5LS SN3 5LW SN3 5PA SN3 5TG SN3 5TQ SN3 5UU SN3 5WB SN3 5XX

SN3 6 (162 postcodes)

SN3 6AA SN3 6AB SN3 6AD SN3 6AE SN3 6AH SN3 6AJ SN3 6AL SN3 6AN SN3 6AP SN3 6AQ SN3 6AR SN3 6AS SN3 6AT SN3 6AU SN3 6AW SN3 6AX SN3 6AY SN3 6BB SN3 6BF SN3 6BG SN3 6BH SN3 6BJ SN3 6BL SN3 6BN SN3 6BP SN3 6BQ SN3 6BS SN3 6BT SN3 6BU SN3 6BW SN3 6BX SN3 6BY SN3 6BZ SN3 6DA SN3 6DB SN3 6DD SN3 6DE SN3 6DF SN3 6DG SN3 6DH SN3 6DJ SN3 6DL SN3 6DN SN3 6DP SN3 6DQ SN3 6DR SN3 6DS SN3 6DT SN3 6DU SN3 6DW SN3 6DX SN3 6DY SN3 6DZ SN3 6EA SN3 6EB SN3 6EE SN3 6EF SN3 6EG SN3 6EH SN3 6EJ SN3 6EL SN3 6EN SN3 6EP SN3 6EQ SN3 6ER SN3 6ET SN3 6EU SN3 6EW SN3 6EX SN3 6EY SN3 6EZ SN3 6FA SN3 6FB SN3 6FD SN3 6FE SN3 6FF SN3 6FG SN3 6FH SN3 6FJ SN3 6FL SN3 6FN SN3 6FP SN3 6FR SN3 6FT SN3 6FU SN3 6FW SN3 6FX SN3 6FY SN3 6FZ SN3 6GA SN3 6GB SN3 6GD SN3 6GE SN3 6GF SN3 6GG SN3 6GH SN3 6GJ SN3 6GL SN3 6GN SN3 6GP SN3 6GQ SN3 6GR SN3 6HA SN3 6HF SN3 6HG SN3 6HH SN3 6HJ SN3 6HN SN3 6HP SN3 6HQ SN3 6JA SN3 6JB SN3 6JD SN3 6JE SN3 6JF SN3 6JG SN3 6JH SN3 6JJ SN3 6JL SN3 6JN SN3 6JP SN3 6JQ SN3 6JR SN3 6JS SN3 6JT SN3 6JU SN3 6JW SN3 6JX SN3 6JY SN3 6JZ SN3 6LA SN3 6LE SN3 6LF SN3 6LG SN3 6LH SN3 6LJ SN3 6LL SN3 6LQ SN3 6LR SN3 6LS SN3 6LT SN3 6LU SN3 6LX SN3 6LY SN3 6LZ SN3 6NA SN3 6NB SN3 6ND SN3 6NE SN3 6NF SN3 6NG SN3 6NH SN3 6NJ SN3 6NL SN3 6NN SN3 6NW SN3 6PA SN3 6PB SN3 6PD SN3 6PE SN3 6PG SN3 6QE

SN3 9 (22 postcodes)

SN3 9AH SN3 9AQ SN3 9BU SN3 9DB SN3 9DJ SN3 9DS SN3 9EP SN3 9EQ SN3 9ET SN3 9FN SN3 9FU SN3 9FX SN3 9FZ SN3 9GA SN3 9GJ SN3 9GQ SN3 9GT SN3 9GU SN3 9HA SN3 9HB SN3 9HD SN3 9HF

Hosepipe ban rules for SN3

The rules that apply depend on your supplier’s notice. The general position: watering cans and buckets stay allowed, while a hosepipe connected to the mains is restricted during a Temporary Use Ban.

Nearby postcode districts

This is an index check, not a prediction. The postcode inventory comes from ONSPD Open Geography (onspd-latest-postcode-centroids), and the supplier split is mapped from district centroids. For a legally reliable answer for your address, use the exact-postcode checker or the supplier’s own checker.