OL3 7 postcode sector in the OL3 district

OL3 7 is a sector of the OL3 district: every postcode that starts OL3 7. It has 184 postcodes in use, 4 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 OL3 7 sector, by flood risk

Map of every postcode in the OL3 7 sector, by flood risk Of the 184 postcodes in the OL3 7 sector that ONS places, 11 have a home or business at high risk, 3 are at medium risk at worst, 17 are at low risk at worst and 153 are not on the Environment Agency's at-risk list. Places named: Oldham, Chadderton, Uppermill, Lees, Mossley. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 2.5 km. A669A62A627A670 OL3 7AA: not on the flood risk listOL3 7AH: not on the flood risk listOL3 7AL: not on the flood risk listOL3 7AN: not on the flood risk listOL3 7AP: not on the flood risk listOL3 7AQ: not on the flood risk listOL3 7AS: not on the flood risk listOL3 7AT: not on the flood risk listOL3 7AX: not on the flood risk listOL3 7AY: not on the flood risk listOL3 7AZ: not on the flood risk listOL3 7BA: not on the flood risk listOL3 7BB: not on the flood risk listOL3 7BE: not on the flood risk listOL3 7BG: not on the flood risk listOL3 7BH: not on the flood risk listOL3 7BJ: not on the flood risk listOL3 7BP: not on the flood risk listOL3 7DA: not on the flood risk listOL3 7DB: not on the flood risk listOL3 7DE: not on the flood risk listOL3 7DG: not on the flood risk listOL3 7DQ: not on the flood risk listOL3 7DR: not on the flood risk listOL3 7DS: not on the flood risk listOL3 7DT: not on the flood risk listOL3 7DU: not on the flood risk listOL3 7DX: not on the flood risk listOL3 7DY: not on the flood risk listOL3 7DZ: not on the flood risk listOL3 7EA: not on the flood risk listOL3 7EB: not on the flood risk listOL3 7ED: not on the flood risk listOL3 7EE: not on the flood risk listOL3 7EF: not on the flood risk listOL3 7EL: not on the flood risk listOL3 7EN: not on the flood risk listOL3 7ES: not on the flood risk listOL3 7ET: not on the flood risk listOL3 7EU: not on the flood risk listOL3 7EX: not on the flood risk listOL3 7EY: not on the flood risk listOL3 7EZ: not on the flood risk listOL3 7FJ: not on the flood risk listOL3 7FL: not on the flood risk listOL3 7FN: not on the flood risk listOL3 7FT: not on the flood risk listOL3 7FZ: not on the flood risk listOL3 7GB: not on the flood risk listOL3 7GD: not on the flood risk listOL3 7HA: not on the flood risk listOL3 7HB: not on the flood risk listOL3 7HD: not on the flood risk listOL3 7HF: not on the flood risk listOL3 7HG: not on the flood risk listOL3 7HJ: not on the flood risk listOL3 7HL: not on the flood risk listOL3 7HN: not on the flood risk listOL3 7HP: not on the flood risk listOL3 7HQ: not on the flood risk listOL3 7HR: not on the flood risk listOL3 7HS: not on the flood risk listOL3 7HT: not on the flood risk listOL3 7HU: not on the flood risk listOL3 7HX: not on the flood risk listOL3 7HZ: not on the flood risk listOL3 7JH: not on the flood risk listOL3 7JL: not on the flood risk listOL3 7JR: not on the flood risk listOL3 7JX: not on the flood risk listOL3 7LA: not on the flood risk listOL3 7LB: not on the flood risk listOL3 7LE: not on the flood risk listOL3 7LH: not on the flood risk listOL3 7LJ: not on the flood risk listOL3 7LN: not on the flood risk listOL3 7LY: not on the flood risk listOL3 7NA: not on the flood risk listOL3 7NB: not on the flood risk listOL3 7ND: not on the flood risk listOL3 7NE: not on the flood risk listOL3 7NJ: not on the flood risk listOL3 7NL: not on the flood risk listOL3 7NN: not on the flood risk listOL3 7NP: not on the flood risk listOL3 7NQ: not on the flood risk listOL3 7NR: not on the flood risk listOL3 7NS: not on the flood risk listOL3 7NT: not on the flood risk listOL3 7NU: not on the flood risk listOL3 7NY: not on the flood risk listOL3 7NZ: not on the flood risk listOL3 7PA: not on the flood risk listOL3 7PB: not on the flood risk listOL3 7PE: not on the flood risk listOL3 7PG: not on the flood risk listOL3 7PH: not on the flood risk listOL3 7PW: not on the flood risk listOL3 7BT: low flood risk at worstOL3 7DD: low flood risk at worstOL3 7DW: low flood risk at worstOL3 7EP: low flood risk at worstOL3 7EW: low flood risk at worstOL3 7FU: low flood risk at worstOL3 7FX: low flood risk at worstOL3 7JP: low flood risk at worstOL3 7LR: low flood risk at worstOL3 7LW: low flood risk at worstOL3 7PT: low flood risk at worstOL3 7EG: medium flood risk at worstOL3 7JW: medium flood risk at worstOL3 7PD: medium flood risk at worstOL3 7AJ: high flood riskOL3 7DP: high flood riskOL3 7HY: high flood riskOL3 7JD: high flood riskOL3 7LD: high flood riskOL3 7LU: high flood riskOL3 7NF: high flood riskOL3 7NW: high flood riskOL3 7PP: high flood risk OldhamChaddertonUppermillLeesMossley Map of every postcode in the OL3 7 sector, by flood risk Of the 184 postcodes in the OL3 7 sector that ONS places, 11 have a home or business at high risk, 3 are at medium risk at worst, 17 are at low risk at worst and 153 are not on the Environment Agency's at-risk list. Places named: Oldham, Uppermill, Lees. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 2.5 km. A627A672A663 OldhamUppermillLees
  • A home or business at high risk: 11
  • At medium risk at worst: 3
  • At low risk at worst: 17
  • At very low risk only: 0
  • Not on the at-risk list: 153

Of the 184 postcodes in the OL3 7 sector that ONS places, 11 have a home or business at high risk, 3 are at medium risk at worst, 17 are at low risk at worst and 153 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

What do homes sell for in OL3 7?

Homes in OL3 7 sold for a typical £315,000 in the 12 months to August 2026, across 59 sales, down 7.4% on the 12 months before, HM Land Registry's figures show.

£315,000 typical price, the 12 months to August 2026
£340,000 12 months to August 2025
▼ down 7.4% on the 12 months before
  • Detached £562,000 13 sales
  • Semi-detached £357,500 10 sales
  • Terraced £272,450 28 sales
  • Flat or maisonette £197,500 8 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 OL3 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 OL3 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.

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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