W7 3 postcode sector in the W7 district

W7 3 is a sector of the W7 district: every postcode that starts W7 3. It has 215 postcodes in use, 7 of them large-user postcodes. A large-user postcode is one Royal Mail gives to a single address that gets a lot of mail.

Not sure what a sector is? UK postcode format explained.

Every postcode in the W7 3 sector, by flood risk

Map of every postcode in the W7 3 sector, by flood risk Of the 215 postcodes in the W7 3 sector that ONS places, 2 are at medium risk at worst, 13 are at low risk at worst and 200 are not on the Environment Agency's at-risk list. Places named: Ealing. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. A4020 W7 3AA: not on the flood risk listW7 3AB: not on the flood risk listW7 3AD: not on the flood risk listW7 3AE: not on the flood risk listW7 3AF: not on the flood risk listW7 3AG: not on the flood risk listW7 3AH: not on the flood risk listW7 3AJ: not on the flood risk listW7 3AL: not on the flood risk listW7 3AN: not on the flood risk listW7 3AP: not on the flood risk listW7 3AQ: not on the flood risk listW7 3AT: not on the flood risk listW7 3AU: not on the flood risk listW7 3AW: not on the flood risk listW7 3AY: not on the flood risk listW7 3AZ: not on the flood risk listW7 3BA: not on the flood risk listW7 3BB: not on the flood risk listW7 3BD: not on the flood risk listW7 3BE: not on the flood risk listW7 3BF: not on the flood risk listW7 3BG: not on the flood risk listW7 3BH: not on the flood risk listW7 3BJ: not on the flood risk listW7 3BL: not on the flood risk listW7 3BN: not on the flood risk listW7 3BQ: not on the flood risk listW7 3BT: not on the flood risk listW7 3BU: not on the flood risk listW7 3BW: not on the flood risk listW7 3BX: not on the flood risk listW7 3BY: not on the flood risk listW7 3BZ: not on the flood risk listW7 3DA: not on the flood risk listW7 3DB: not on the flood risk listW7 3DD: not on the flood risk listW7 3DE: not on the flood risk listW7 3DF: not on the flood risk listW7 3DG: not on the flood risk listW7 3DH: not on the flood risk listW7 3DL: not on the flood risk listW7 3DN: not on the flood risk listW7 3DP: not on the flood risk listW7 3DQ: not on the flood risk listW7 3DR: not on the flood risk listW7 3DS: not on the flood risk listW7 3DU: not on the flood risk listW7 3DY: not on the flood risk listW7 3DZ: not on the flood risk listW7 3EA: not on the flood risk listW7 3EB: not on the flood risk listW7 3ED: not on the flood risk listW7 3EE: not on the flood risk listW7 3EF: not on the flood risk listW7 3EG: not on the flood risk listW7 3EH: not on the flood risk listW7 3EJ: not on the flood risk listW7 3EL: not on the flood risk listW7 3EN: not on the flood risk listW7 3EP: not on the flood risk listW7 3EQ: not on the flood risk listW7 3ER: not on the flood risk listW7 3ES: not on the flood risk listW7 3ET: not on the flood risk listW7 3EW: not on the flood risk listW7 3EX: not on the flood risk listW7 3EY: not on the flood risk listW7 3EZ: not on the flood risk listW7 3FA: not on the flood risk listW7 3FB: not on the flood risk listW7 3FD: not on the flood risk listW7 3FE: not on the flood risk listW7 3FF: not on the flood risk listW7 3FG: not on the flood risk listW7 3FH: not on the flood risk listW7 3FJ: not on the flood risk listW7 3FL: not on the flood risk listW7 3FN: not on the flood risk listW7 3FP: not on the flood risk listW7 3FQ: not on the flood risk listW7 3FR: not on the flood risk listW7 3GW: not on the flood risk listW7 3HA: not on the flood risk listW7 3HB: not on the flood risk listW7 3HD: not on the flood risk listW7 3HE: not on the flood risk listW7 3HF: not on the flood risk listW7 3HH: not on the flood risk listW7 3HJ: not on the flood risk listW7 3HL: not on the flood risk listW7 3HR: not on the flood risk listW7 3HS: not on the flood risk listW7 3HT: not on the flood risk listW7 3HU: not on the flood risk listW7 3HX: not on the flood risk listW7 3HY: not on the flood risk listW7 3HZ: not on the flood risk listW7 3JA: not on the flood risk listW7 3JB: not on the flood risk listW7 3JD: not on the flood risk listW7 3JE: not on the flood risk listW7 3JG: not on the flood risk listW7 3JH: not on the flood risk listW7 3JL: not on the flood risk listW7 3JN: not on the flood risk listW7 3JP: not on the flood risk listW7 3JQ: not on the flood risk listW7 3JS: not on the flood risk listW7 3JW: not on the flood risk listW7 3JY: not on the flood risk listW7 3JZ: not on the flood risk listW7 3PA: not on the flood risk listW7 3PD: not on the flood risk listW7 3PE: not on the flood risk listW7 3PF: not on the flood risk listW7 3PG: not on the flood risk listW7 3PH: not on the flood risk listW7 3PJ: not on the flood risk listW7 3PL: not on the flood risk listW7 3PN: not on the flood risk listW7 3PP: not on the flood risk listW7 3PQ: not on the flood risk listW7 3PR: not on the flood risk listW7 3PS: not on the flood risk listW7 3PT: not on the flood risk listW7 3PU: not on the flood risk listW7 3PX: not on the flood risk listW7 3PY: not on the flood risk listW7 3PZ: not on the flood risk listW7 3QA: not on the flood risk listW7 3QB: not on the flood risk listW7 3QD: not on the flood risk listW7 3QE: not on the flood risk listW7 3QF: not on the flood risk listW7 3QG: not on the flood risk listW7 3QH: not on the flood risk listW7 3QJ: not on the flood risk listW7 3QL: not on the flood risk listW7 3QN: not on the flood risk listW7 3QP: not on the flood risk listW7 3QQ: not on the flood risk listW7 3QS: not on the flood risk listW7 3QT: not on the flood risk listW7 3QU: not on the flood risk listW7 3QW: not on the flood risk listW7 3QX: not on the flood risk listW7 3QY: not on the flood risk listW7 3RB: not on the flood risk listW7 3RD: not on the flood risk listW7 3RE: not on the flood risk listW7 3RF: not on the flood risk listW7 3RH: not on the flood risk listW7 3RJ: not on the flood risk listW7 3RL: not on the flood risk listW7 3RN: not on the flood risk listW7 3RP: not on the flood risk listW7 3RQ: not on the flood risk listW7 3RR: not on the flood risk listW7 3RS: not on the flood risk listW7 3RW: not on the flood risk listW7 3SA: not on the flood risk listW7 3SF: not on the flood risk listW7 3SH: not on the flood risk listW7 3SJ: not on the flood risk listW7 3SL: not on the flood risk listW7 3SN: not on the flood risk listW7 3SP: not on the flood risk listW7 3SQ: not on the flood risk listW7 3ST: not on the flood risk listW7 3SU: not on the flood risk listW7 3SW: not on the flood risk listW7 3SX: not on the flood risk listW7 3SY: not on the flood risk listW7 3SZ: not on the flood risk listW7 3TA: not on the flood risk listW7 3TB: not on the flood risk listW7 3TE: not on the flood risk listW7 3TH: not on the flood risk listW7 3TP: not on the flood risk listW7 3TR: not on the flood risk listW7 3TS: not on the flood risk listW7 3TT: not on the flood risk listW7 3TU: not on the flood risk listW7 3TX: not on the flood risk listW7 3TY: not on the flood risk listW7 3TZ: not on the flood risk listW7 3UA: not on the flood risk listW7 3UB: not on the flood risk listW7 3UE: not on the flood risk listW7 3UF: not on the flood risk listW7 3UG: not on the flood risk listW7 3UQ: not on the flood risk listW7 3XA: not on the flood risk listW7 3AR: low flood risk at worstW7 3AS: low flood risk at worstW7 3BP: low flood risk at worstW7 3DJ: low flood risk at worstW7 3DT: low flood risk at worstW7 3DW: low flood risk at worstW7 3GQ: low flood risk at worstW7 3JJ: low flood risk at worstW7 3NB: low flood risk at worstW7 3QZ: low flood risk at worstW7 3RA: low flood risk at worstW7 3RG: low flood risk at worstW7 3RT: low flood risk at worstW7 3TD: medium flood risk at worstW7 3XP: medium flood risk at worst Ealing Map of every postcode in the W7 3 sector, by flood risk Of the 215 postcodes in the W7 3 sector that ONS places, 2 are at medium risk at worst, 13 are at low risk at worst and 200 are not on the Environment Agency's at-risk list. Places named: Hanwell Broadway, North Hanwell. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. Hanwell BroadwayNorth Hanwell
  • A home or business at high risk: 0
  • At medium risk at worst: 2
  • At low risk at worst: 13
  • At very low risk only: 0
  • Not on the at-risk list: 200

Of the 215 postcodes in the W7 3 sector that ONS places, 2 are at medium risk at worst, 13 are at low risk at worst and 200 are not on the Environment Agency's at-risk list.

Each mark is a postcode's centre point as ONS gives it, not a building. Press one to see its postcode and open its page. No boundary is drawn. Where marks overlap, the one first in the key is drawn; the counts include every postcode. Names in italics are council wards: we hold no town or village names here.

Source: Office for National Statistics (ONS) Postcode Directory, August 2026, loaded 20 October 2026, the centre point of each postcode; flood risk: Environment Agency, published 6 July 2026; roads, rivers and built-up areas: Contains OS data © Crown copyright and database right 2026. Drawn by us. Street map: Ordnance Survey, OS Open Zoomstack, Open Government Licence v3.0, drawn with MapLibre. How we use them

The postcodes at medium risk at worst

Beside each: how many of its homes and businesses the Environment Agency puts at that risk.

W7 3TD1 at medium riskW7 3XP1 at medium risk

What do homes sell for in W7 3?

Homes in W7 3 sold for a typical £517,500 in the 12 months to August 2026, across 82 sales, up 5.6% on the 12 months before, HM Land Registry's figures show.

£517,500 typical price, the 12 months to August 2026
£490,000 12 months to August 2025
▲ up 5.6% on the 12 months before
  • Detached 2 sales, too few to price
  • Semi-detached £715,000 19 sales
  • Terraced £650,000 21 sales
  • Flat or maisonette £412,500 40 sales

Each bar is that kind's typical price, against the most expensive kind here.

Standard sales of homes at market value at the postcodes that start W7 3. A typical price is the median, the middle sale, given from 5 sales or more.

How we work this out: house prices by postcode

Source: HM Land Registry Price Paid Data, files dated 28 September 2026. Contains HM Land Registry data © Crown copyright and database right 2021. This data is licensed under the Open Government Licence v3.0. How we use it

Postcodes in W7 3

Pick a postcode to see its council and MP, broadband, flood risk, what homes sell for, council tax, the nearest schools and stations, and crime around it.

W7 3AAW7 3ABW7 3ADW7 3AEW7 3AFW7 3AGW7 3AHW7 3AJW7 3ALW7 3ANW7 3APW7 3AQW7 3ARW7 3ASW7 3ATW7 3AUW7 3AWW7 3AYW7 3AZW7 3BAW7 3BBW7 3BDW7 3BEW7 3BFW7 3BGW7 3BHW7 3BJW7 3BLW7 3BNW7 3BPW7 3BQW7 3BTW7 3BUW7 3BWW7 3BXW7 3BYW7 3BZW7 3DAW7 3DBW7 3DDW7 3DEW7 3DFW7 3DGW7 3DHW7 3DJW7 3DLW7 3DNW7 3DPW7 3DQW7 3DRW7 3DSW7 3DTW7 3DUW7 3DWW7 3DYW7 3DZW7 3EAW7 3EBW7 3EDW7 3EEW7 3EFW7 3EGW7 3EHW7 3EJW7 3ELW7 3ENW7 3EPW7 3EQW7 3ERW7 3ESW7 3ETW7 3EWW7 3EXW7 3EYW7 3EZW7 3FAW7 3FBW7 3FDW7 3FEW7 3FFW7 3FGW7 3FHW7 3FJW7 3FLW7 3FNW7 3FPW7 3FQW7 3FRW7 3FSW7 3FTW7 3GQW7 3GWW7 3HAW7 3HBW7 3HDW7 3HEW7 3HFW7 3HHW7 3HJW7 3HLW7 3HRW7 3HSW7 3HTW7 3HUW7 3HXW7 3HYW7 3HZW7 3JAW7 3JBW7 3JDW7 3JEW7 3JGW7 3JHW7 3JJW7 3JLW7 3JNW7 3JPW7 3JQW7 3JSW7 3JWW7 3JYW7 3JZW7 3NBW7 3PAW7 3PDW7 3PEW7 3PFW7 3PGW7 3PHW7 3PJW7 3PLW7 3PNW7 3PPW7 3PQW7 3PRW7 3PSW7 3PTW7 3PUW7 3PXW7 3PYW7 3PZW7 3QAW7 3QBW7 3QDW7 3QEW7 3QFW7 3QGW7 3QHW7 3QJW7 3QLW7 3QNW7 3QPW7 3QQW7 3QSW7 3QTW7 3QUW7 3QWW7 3QXW7 3QYW7 3QZW7 3RAW7 3RBW7 3RDW7 3REW7 3RFW7 3RGW7 3RHW7 3RJW7 3RLW7 3RNW7 3RPW7 3RQW7 3RRW7 3RSW7 3RTW7 3RWW7 3SAW7 3SFW7 3SHW7 3SJW7 3SLW7 3SNW7 3SPW7 3SQW7 3SRW7 3SSW7 3STW7 3SUW7 3SWW7 3SXW7 3SYW7 3SZW7 3TAW7 3TBW7 3TDW7 3TEW7 3THW7 3TPW7 3TRW7 3TSW7 3TTW7 3TUW7 3TXW7 3TYW7 3TZW7 3UAW7 3UBW7 3UEW7 3UFW7 3UGW7 3UQW7 3WRW7 3XAW7 3XPW7 3YB

Source: Office for National Statistics (ONS) Postcode Directory, August 2026, loaded 20 October 2026. Postcodes that have ended are not listed. See all our data sources

What council am I in? The council, borough or local authority for a postcode, and the county council where there is one. What ward am I in? The ward for a postcode, with its council, constituency and parish.

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