CH3 7 postcode sector in the CH3 district

CH3 7 is a sector of the CH3 district: every postcode that starts CH3 7. It has 216 postcodes in use, 2 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 7 sector, by flood risk

A home or business at high risk: 4
At medium risk at worst: 1
At low risk at worst: 1
At very low risk only: 0
Not on the at-risk list: 210

Of the 216 postcodes in the CH3 7 sector that ONS places, 4 have a home or business at high risk, 1 are at medium risk at worst, 1 are at low risk at worst and 210 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 7JQ6 at high risk CH3 7JW4 at high risk CH3 7JF3 at high risk CH3 7LG1 at high risk

What do homes sell for in CH3 7?

Homes in CH3 7 sold for a typical £407,000 in the 12 months to August 2026, across 81 sales, down 14.3% on the 12 months before, HM Land Registry's figures show.

£407,000 typical price, the 12 months to August 2026

£475,000 12 months to August 2025

▼ down 14.3% on the 12 months before

Detached £595,000 29 sales
Semi-detached £360,000 37 sales
Terraced £265,000 11 sales
Flat or maisonette 4 sales, 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 7. 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 7

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 7AA CH3 7AD CH3 7AE CH3 7AF CH3 7AG CH3 7AH CH3 7AJ CH3 7AL CH3 7AN CH3 7AP CH3 7AQ CH3 7AR CH3 7AS CH3 7AT CH3 7AU CH3 7AW CH3 7AX CH3 7AY CH3 7AZ CH3 7BA CH3 7BB CH3 7BD CH3 7BE CH3 7BF CH3 7BH CH3 7BJ CH3 7BL CH3 7BN CH3 7BP CH3 7BQ CH3 7BR CH3 7BS CH3 7BT CH3 7BU CH3 7BW CH3 7BX CH3 7BY CH3 7DB CH3 7DD CH3 7DE CH3 7DF CH3 7DG CH3 7DH CH3 7DJ CH3 7DL CH3 7DN CH3 7DP CH3 7DQ CH3 7DR CH3 7DS CH3 7DW CH3 7DX CH3 7DY CH3 7DZ CH3 7EA CH3 7ED CH3 7EE CH3 7EF CH3 7EG CH3 7EH CH3 7EJ CH3 7EL CH3 7EN CH3 7EP CH3 7EQ CH3 7ER CH3 7ES CH3 7ET CH3 7EU CH3 7EW CH3 7EX CH3 7EY CH3 7EZ CH3 7FA CH3 7FB CH3 7FD CH3 7GA CH3 7GB CH3 7HA CH3 7HB CH3 7HD CH3 7HE CH3 7HF CH3 7HG CH3 7HH CH3 7HJ CH3 7HL CH3 7HN CH3 7HP CH3 7HQ CH3 7HS CH3 7HU CH3 7HW CH3 7HX CH3 7HY CH3 7HZ CH3 7JA CH3 7JB CH3 7JD CH3 7JE CH3 7JF CH3 7JH CH3 7JJ CH3 7JL CH3 7JN CH3 7JQ CH3 7JR CH3 7JS CH3 7JT CH3 7JU CH3 7JW CH3 7JY CH3 7JZ CH3 7LA CH3 7LB CH3 7LD CH3 7LE CH3 7LF CH3 7LG CH3 7LH CH3 7LJ CH3 7LL CH3 7LN CH3 7LP CH3 7LR CH3 7LS CH3 7LT CH3 7LU CH3 7LX CH3 7NA CH3 7NB CH3 7ND CH3 7NE CH3 7NF CH3 7NG CH3 7NH CH3 7NJ CH3 7NL CH3 7NN CH3 7NP CH3 7NQ CH3 7NR CH3 7NS CH3 7NT CH3 7NU CH3 7NW CH3 7NX CH3 7NY CH3 7NZ CH3 7PA CH3 7PB CH3 7PD CH3 7PE CH3 7PF CH3 7PG CH3 7PH CH3 7PJ CH3 7PL CH3 7PN CH3 7PP CH3 7PQ CH3 7PR CH3 7PS CH3 7PT CH3 7PU CH3 7PW CH3 7PX CH3 7PY CH3 7PZ CH3 7QA CH3 7QB CH3 7QD CH3 7QE CH3 7QF CH3 7QG CH3 7QH CH3 7QJ CH3 7QL CH3 7QN CH3 7QP CH3 7QQ CH3 7QR CH3 7QS CH3 7QT CH3 7QU CH3 7QW CH3 7QX CH3 7QY CH3 7RA CH3 7RB CH3 7RE CH3 7RF CH3 7RG CH3 7RH CH3 7RL CH3 7RN CH3 7RP CH3 7RQ CH3 7RR CH3 7RS CH3 7RT CH3 7RU CH3 7RW CH3 7RX CH3 7RY CH3 7RZ CH3 7SA CH3 7SL CH3 7SN CH3 7SP CH3 7SR CH3 7SS CH3 7ST CH3 7SW CH3 7SX CH3 7SY

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 8 sector CH3 9 sector All of CH3 CH postcode area

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