CH3 9 postcode sector in the CH3 district

CH3 9 is a sector of the CH3 district: every postcode that starts CH3 9. It has 216 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 CH3 9 sector, by flood risk

A home or business at high risk: 4
At medium risk at worst: 1
At low risk at worst: 4
At very low risk only: 1
Not on the at-risk list: 206

Of the 216 postcodes in the CH3 9 sector that ONS places, 4 have a home or business at high risk, 1 are at medium risk at worst, 4 are at low risk at worst, 1 are at very low risk only and 206 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.

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 high risk

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

CH3 9BX4 at high risk CH3 9LQ4 at high risk CH3 9BZ2 at high risk CH3 9BG1 at high risk

What do homes sell for in CH3 9?

Homes in CH3 9 sold for a typical £405,000 in the 12 months to August 2026, across 43 sales, up 24.6% on the 12 months before, HM Land Registry's figures show.

£405,000 typical price, the 12 months to August 2026

£325,000 12 months to August 2025

▲ up 24.6% on the 12 months before

Detached £537,500 24 sales
Semi-detached £245,000 12 sales
Terraced £302,500 6 sales
Flat or maisonette 1 sale, too few to price

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 CH3 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 CH3 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.

CH3 9AD CH3 9AE CH3 9AF CH3 9AG CH3 9AH CH3 9AJ CH3 9AL CH3 9AN CH3 9AP CH3 9AQ CH3 9AR CH3 9AS CH3 9AT CH3 9AU CH3 9AX CH3 9AY CH3 9AZ CH3 9BA CH3 9BB CH3 9BD CH3 9BE CH3 9BF CH3 9BG CH3 9BH CH3 9BJ CH3 9BL CH3 9BN CH3 9BP CH3 9BQ CH3 9BR CH3 9BS CH3 9BT CH3 9BU CH3 9BW CH3 9BX CH3 9BY CH3 9BZ CH3 9DA CH3 9DB CH3 9DE CH3 9DF CH3 9DJ CH3 9DN CH3 9DQ CH3 9DR CH3 9DS CH3 9DT CH3 9DU CH3 9DW CH3 9DX CH3 9DY CH3 9DZ CH3 9EA CH3 9EB CH3 9ED CH3 9EE CH3 9EG CH3 9EH CH3 9EL CH3 9EN CH3 9EP CH3 9EQ CH3 9ER CH3 9ES CH3 9ET CH3 9EU CH3 9EW CH3 9EY CH3 9EZ CH3 9FA CH3 9FB CH3 9FD CH3 9FE CH3 9FF CH3 9FG CH3 9FH CH3 9FJ CH3 9FL CH3 9FN CH3 9FP CH3 9FQ CH3 9FR CH3 9FS CH3 9FT CH3 9FW CH3 9FY CH3 9FZ CH3 9GA CH3 9GB CH3 9GD CH3 9GE CH3 9GF CH3 9HA CH3 9HB CH3 9HD CH3 9HE CH3 9HF CH3 9HG CH3 9HJ CH3 9HL CH3 9HN CH3 9HP CH3 9HQ CH3 9HR CH3 9HS CH3 9HT CH3 9HU CH3 9HW CH3 9HY CH3 9JA CH3 9JB CH3 9JD CH3 9JE CH3 9JG CH3 9JH CH3 9JJ CH3 9JL CH3 9JN CH3 9JP CH3 9JQ CH3 9JR CH3 9JS CH3 9JT CH3 9JU CH3 9JW CH3 9JY CH3 9JZ CH3 9LA CH3 9LB CH3 9LD CH3 9LE CH3 9LF CH3 9LG CH3 9LH CH3 9LJ CH3 9LL CH3 9LN CH3 9LP CH3 9LQ CH3 9LR CH3 9NA CH3 9NB CH3 9ND CH3 9NE CH3 9NF CH3 9NG CH3 9NH CH3 9NJ CH3 9NL CH3 9NN CH3 9NP CH3 9NQ CH3 9NS CH3 9NT CH3 9NU CH3 9NW CH3 9NX CH3 9NY CH3 9NZ CH3 9PA CH3 9PB CH3 9PD CH3 9PF CH3 9PG CH3 9PH CH3 9PJ CH3 9PL CH3 9PN CH3 9PP CH3 9PQ CH3 9PR CH3 9PS CH3 9PT CH3 9PU CH3 9PW CH3 9PX CH3 9PY CH3 9PZ CH3 9QA CH3 9QB CH3 9QD CH3 9QE CH3 9QF CH3 9QG CH3 9QH CH3 9QJ CH3 9QL CH3 9QN CH3 9QP CH3 9QQ CH3 9QR CH3 9QS CH3 9QT CH3 9QU CH3 9QW CH3 9QX CH3 9QY CH3 9QZ CH3 9RA CH3 9RB CH3 9RD CH3 9RE CH3 9RF CH3 9RG CH3 9RH CH3 9RJ CH3 9RL CH3 9SA CH3 9SB CH3 9SD CH3 9SE CH3 9SF CH3 9SG CH3 9SH CH3 9SJ CH3 9SL

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.

Other sectors in CH3

CH3 5 sector CH3 6 sector CH3 7 sector CH3 8 sector All of CH3 CH postcode area

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