W3 9 postcode sector in the W3 district

W3 9 is a sector of the W3 district: every postcode that starts W3 9. It has 164 postcodes in use, 3 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 W3 9 sector, by flood risk

Map of every postcode in the W3 9 sector, by flood risk Of the 164 postcodes in the W3 9 sector that ONS places, 164 are not on the Environment Agency's at-risk list. Places named: North Acton, South Acton. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. A406 W3 9AA: not on the flood risk listW3 9AB: not on the flood risk listW3 9AD: not on the flood risk listW3 9AE: not on the flood risk listW3 9AF: not on the flood risk listW3 9AG: not on the flood risk listW3 9AH: not on the flood risk listW3 9AJ: not on the flood risk listW3 9AL: not on the flood risk listW3 9AN: not on the flood risk listW3 9AP: not on the flood risk listW3 9AQ: not on the flood risk listW3 9AR: not on the flood risk listW3 9AS: not on the flood risk listW3 9AT: not on the flood risk listW3 9AU: not on the flood risk listW3 9AW: not on the flood risk listW3 9AX: not on the flood risk listW3 9AY: not on the flood risk listW3 9BA: not on the flood risk listW3 9BB: not on the flood risk listW3 9BD: not on the flood risk listW3 9BE: not on the flood risk listW3 9BG: not on the flood risk listW3 9BH: not on the flood risk listW3 9BJ: not on the flood risk listW3 9BP: not on the flood risk listW3 9BQ: not on the flood risk listW3 9BT: not on the flood risk listW3 9BU: not on the flood risk listW3 9BW: not on the flood risk listW3 9BX: not on the flood risk listW3 9BY: not on the flood risk listW3 9DA: not on the flood risk listW3 9DB: not on the flood risk listW3 9DD: not on the flood risk listW3 9DF: not on the flood risk listW3 9DH: not on the flood risk listW3 9DJ: not on the flood risk listW3 9DP: not on the flood risk listW3 9DU: not on the flood risk listW3 9DX: not on the flood risk listW3 9DY: not on the flood risk listW3 9DZ: not on the flood risk listW3 9EA: not on the flood risk listW3 9EB: not on the flood risk listW3 9ED: not on the flood risk listW3 9EF: not on the flood risk listW3 9EG: not on the flood risk listW3 9EH: not on the flood risk listW3 9EL: not on the flood risk listW3 9EQ: not on the flood risk listW3 9EZ: not on the flood risk listW3 9HA: not on the flood risk listW3 9HB: not on the flood risk listW3 9HF: not on the flood risk listW3 9HG: not on the flood risk listW3 9HH: not on the flood risk listW3 9HJ: not on the flood risk listW3 9HL: not on the flood risk listW3 9HN: not on the flood risk listW3 9HP: not on the flood risk listW3 9HQ: not on the flood risk listW3 9HR: not on the flood risk listW3 9HS: not on the flood risk listW3 9HW: not on the flood risk listW3 9HX: not on the flood risk listW3 9HY: not on the flood risk listW3 9JA: not on the flood risk listW3 9JD: not on the flood risk listW3 9JE: not on the flood risk listW3 9JF: not on the flood risk listW3 9JG: not on the flood risk listW3 9JH: not on the flood risk listW3 9JJ: not on the flood risk listW3 9JL: not on the flood risk listW3 9JN: not on the flood risk listW3 9JP: not on the flood risk listW3 9JQ: not on the flood risk listW3 9JR: not on the flood risk listW3 9JS: not on the flood risk listW3 9JW: not on the flood risk listW3 9LA: not on the flood risk listW3 9LE: not on the flood risk listW3 9LF: not on the flood risk listW3 9LG: not on the flood risk listW3 9LJ: not on the flood risk listW3 9LN: not on the flood risk listW3 9LP: not on the flood risk listW3 9LQ: not on the flood risk listW3 9LR: not on the flood risk listW3 9LS: not on the flood risk listW3 9LT: not on the flood risk listW3 9LU: not on the flood risk listW3 9LW: not on the flood risk listW3 9LX: not on the flood risk listW3 9LY: not on the flood risk listW3 9NE: not on the flood risk listW3 9NG: not on the flood risk listW3 9NH: not on the flood risk listW3 9NJ: not on the flood risk listW3 9NN: not on the flood risk listW3 9NT: not on the flood risk listW3 9NU: not on the flood risk listW3 9NW: not on the flood risk listW3 9NX: not on the flood risk listW3 9NY: not on the flood risk listW3 9NZ: not on the flood risk listW3 9PE: not on the flood risk listW3 9PP: not on the flood risk listW3 9PR: not on the flood risk listW3 9PS: not on the flood risk listW3 9PT: not on the flood risk listW3 9PU: not on the flood risk listW3 9PX: not on the flood risk listW3 9PY: not on the flood risk listW3 9PZ: not on the flood risk listW3 9QA: not on the flood risk listW3 9QB: not on the flood risk listW3 9QD: not on the flood risk listW3 9QE: not on the flood risk listW3 9QF: not on the flood risk listW3 9QG: not on the flood risk listW3 9QN: not on the flood risk listW3 9QP: not on the flood risk listW3 9QU: not on the flood risk listW3 9QX: not on the flood risk listW3 9QY: not on the flood risk listW3 9RA: not on the flood risk listW3 9RD: not on the flood risk listW3 9RE: not on the flood risk listW3 9RF: not on the flood risk listW3 9RG: not on the flood risk listW3 9RH: not on the flood risk listW3 9RJ: not on the flood risk listW3 9RN: not on the flood risk listW3 9RP: not on the flood risk listW3 9RQ: not on the flood risk listW3 9RW: not on the flood risk listW3 9RY: not on the flood risk listW3 9RZ: not on the flood risk listW3 9SA: not on the flood risk listW3 9SB: not on the flood risk listW3 9SD: not on the flood risk listW3 9SE: not on the flood risk listW3 9SF: not on the flood risk listW3 9SG: not on the flood risk listW3 9SH: not on the flood risk listW3 9SJ: not on the flood risk listW3 9SL: not on the flood risk listW3 9SN: not on the flood risk listW3 9SP: not on the flood risk listW3 9SQ: not on the flood risk listW3 9SR: not on the flood risk listW3 9SS: not on the flood risk listW3 9ST: not on the flood risk listW3 9SW: not on the flood risk listW3 9SZ: not on the flood risk listW3 9WQ: not on the flood risk list North ActonSouth Acton Map of every postcode in the W3 9 sector, by flood risk Of the 164 postcodes in the W3 9 sector that ONS places, 164 are not on the Environment Agency's at-risk list. Places named: North Acton, South Acton. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. North ActonSouth Acton
  • A home or business at high risk: 0
  • At medium risk at worst: 0
  • At low risk at worst: 0
  • At very low risk only: 0
  • Not on the at-risk list: 164

Of the 164 postcodes in the W3 9 sector that ONS places, 164 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

What do homes sell for in W3 9?

Homes in W3 9 sold for a typical £495,000 in the 12 months to August 2026, across 49 sales, down 20.8% on the 12 months before, HM Land Registry's figures show.

£495,000 typical price, the 12 months to August 2026
£625,000 12 months to August 2025
▼ down 20.8% on the 12 months before
  • Detached 2 sales, too few to price
  • Semi-detached £1,201,250 12 sales
  • Terraced 1 sale, too few to price
  • Flat or maisonette £415,000 34 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 W3 9. 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 W3 9

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.

W3 9AAW3 9ABW3 9ADW3 9AEW3 9AFW3 9AGW3 9AHW3 9AJW3 9ALW3 9ANW3 9APW3 9AQW3 9ARW3 9ASW3 9ATW3 9AUW3 9AWW3 9AXW3 9AYW3 9BAW3 9BBW3 9BDW3 9BEW3 9BFW3 9BGW3 9BHW3 9BJW3 9BPW3 9BQW3 9BTW3 9BUW3 9BWW3 9BXW3 9BYW3 9DAW3 9DBW3 9DDW3 9DFW3 9DHW3 9DJW3 9DPW3 9DUW3 9DXW3 9DYW3 9DZW3 9EAW3 9EBW3 9EDW3 9EFW3 9EGW3 9EHW3 9EJW3 9ELW3 9EQW3 9EZW3 9HAW3 9HBW3 9HFW3 9HGW3 9HHW3 9HJW3 9HLW3 9HNW3 9HPW3 9HQW3 9HRW3 9HSW3 9HWW3 9HXW3 9HYW3 9JAW3 9JDW3 9JEW3 9JFW3 9JGW3 9JHW3 9JJW3 9JLW3 9JNW3 9JPW3 9JQW3 9JRW3 9JSW3 9JWW3 9LAW3 9LDW3 9LEW3 9LFW3 9LGW3 9LJW3 9LNW3 9LPW3 9LQW3 9LRW3 9LSW3 9LTW3 9LUW3 9LWW3 9LXW3 9LYW3 9NEW3 9NFW3 9NGW3 9NHW3 9NJW3 9NNW3 9NQW3 9NTW3 9NUW3 9NWW3 9NXW3 9NYW3 9NZW3 9PEW3 9PPW3 9PRW3 9PSW3 9PTW3 9PUW3 9PXW3 9PYW3 9PZW3 9QAW3 9QBW3 9QDW3 9QEW3 9QFW3 9QGW3 9QNW3 9QPW3 9QUW3 9QXW3 9QYW3 9RAW3 9RDW3 9REW3 9RFW3 9RGW3 9RHW3 9RJW3 9RNW3 9RPW3 9RQW3 9RWW3 9RYW3 9RZW3 9SAW3 9SBW3 9SDW3 9SEW3 9SFW3 9SGW3 9SHW3 9SJW3 9SLW3 9SNW3 9SPW3 9SQW3 9SRW3 9SSW3 9STW3 9SWW3 9SZW3 9WQ

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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