M20 3 postcode sector in the M20 district

M20 3 is a sector of the M20 district: every postcode that starts M20 3. It has 152 postcodes in use.

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

Every postcode in the M20 3 sector, by flood risk

Map of every postcode in the M20 3 sector, by flood risk Of the 152 postcodes in the M20 3 sector that ONS places, 8 have a home or business at high risk, 3 are at medium risk at worst, 8 are at low risk at worst and 133 are not on the Environment Agency's at-risk list. One group of postcodes at high or medium risk is outlined: 10 postcodes at high or medium risk. Places named: Old Moat, Didsbury West. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. M20 3AP: not on the flood risk listM20 3BA: not on the flood risk listM20 3BF: not on the flood risk listM20 3BG: not on the flood risk listM20 3BJ: not on the flood risk listM20 3BP: not on the flood risk listM20 3BQ: not on the flood risk listM20 3BX: not on the flood risk listM20 3BZ: not on the flood risk listM20 3DA: not on the flood risk listM20 3DB: not on the flood risk listM20 3DD: not on the flood risk listM20 3DE: not on the flood risk listM20 3DF: not on the flood risk listM20 3DH: not on the flood risk listM20 3DJ: not on the flood risk listM20 3DL: not on the flood risk listM20 3DP: not on the flood risk listM20 3DQ: not on the flood risk listM20 3DR: not on the flood risk listM20 3DS: not on the flood risk listM20 3DT: not on the flood risk listM20 3DU: not on the flood risk listM20 3DW: not on the flood risk listM20 3DX: not on the flood risk listM20 3DY: not on the flood risk listM20 3DZ: not on the flood risk listM20 3EA: not on the flood risk listM20 3EB: not on the flood risk listM20 3ED: not on the flood risk listM20 3EE: not on the flood risk listM20 3EF: not on the flood risk listM20 3EH: not on the flood risk listM20 3EJ: not on the flood risk listM20 3EL: not on the flood risk listM20 3ER: not on the flood risk listM20 3ES: not on the flood risk listM20 3ET: not on the flood risk listM20 3EY: not on the flood risk listM20 3EZ: not on the flood risk listM20 3FA: not on the flood risk listM20 3FB: not on the flood risk listM20 3FD: not on the flood risk listM20 3FE: not on the flood risk listM20 3FF: not on the flood risk listM20 3FH: not on the flood risk listM20 3FJ: not on the flood risk listM20 3FL: not on the flood risk listM20 3FN: not on the flood risk listM20 3FP: not on the flood risk listM20 3FR: not on the flood risk listM20 3FS: not on the flood risk listM20 3FT: not on the flood risk listM20 3FY: not on the flood risk listM20 3FZ: not on the flood risk listM20 3GB: not on the flood risk listM20 3GD: not on the flood risk listM20 3GF: not on the flood risk listM20 3GG: not on the flood risk listM20 3GH: not on the flood risk listM20 3GJ: not on the flood risk listM20 3GL: not on the flood risk listM20 3GN: not on the flood risk listM20 3GP: not on the flood risk listM20 3GR: not on the flood risk listM20 3GS: not on the flood risk listM20 3GT: not on the flood risk listM20 3GU: not on the flood risk listM20 3GW: not on the flood risk listM20 3GY: not on the flood risk listM20 3GZ: not on the flood risk listM20 3HA: not on the flood risk listM20 3HB: not on the flood risk listM20 3HD: not on the flood risk listM20 3HE: not on the flood risk listM20 3HF: not on the flood risk listM20 3HL: not on the flood risk listM20 3HN: not on the flood risk listM20 3HP: not on the flood risk listM20 3HR: not on the flood risk listM20 3HU: not on the flood risk listM20 3JA: not on the flood risk listM20 3JB: not on the flood risk listM20 3JE: not on the flood risk listM20 3JF: not on the flood risk listM20 3JG: not on the flood risk listM20 3JH: not on the flood risk listM20 3JJ: not on the flood risk listM20 3JL: not on the flood risk listM20 3JN: not on the flood risk listM20 3JQ: not on the flood risk listM20 3JR: not on the flood risk listM20 3JS: not on the flood risk listM20 3JT: not on the flood risk listM20 3JU: not on the flood risk listM20 3JW: not on the flood risk listM20 3JY: not on the flood risk listM20 3JZ: not on the flood risk listM20 3LA: not on the flood risk listM20 3LB: not on the flood risk listM20 3LD: not on the flood risk listM20 3LE: not on the flood risk listM20 3LH: not on the flood risk listM20 3LJ: not on the flood risk listM20 3LL: not on the flood risk listM20 3LN: not on the flood risk listM20 3LP: not on the flood risk listM20 3LQ: not on the flood risk listM20 3LR: not on the flood risk listM20 3LS: not on the flood risk listM20 3LT: not on the flood risk listM20 3LW: not on the flood risk listM20 3PP: not on the flood risk listM20 3QD: not on the flood risk listM20 3QH: not on the flood risk listM20 3QJ: not on the flood risk listM20 3QL: not on the flood risk listM20 3QN: not on the flood risk listM20 3QR: not on the flood risk listM20 3QT: not on the flood risk listM20 3QU: not on the flood risk listM20 3QW: not on the flood risk listM20 3QX: not on the flood risk listM20 3QY: not on the flood risk listM20 3QZ: not on the flood risk listM20 3RA: not on the flood risk listM20 3RB: not on the flood risk listM20 3TF: not on the flood risk listM20 3YA: not on the flood risk listM20 3YB: not on the flood risk listM20 3YD: not on the flood risk listM20 3YH: not on the flood risk listM20 3ZA: not on the flood risk listM20 3BW: low flood risk at worstM20 3EQ: low flood risk at worstM20 3EU: low flood risk at worstM20 3FG: low flood risk at worstM20 3FU: low flood risk at worstM20 3FX: low flood risk at worstM20 3GA: low flood risk at worstM20 3WH: low flood risk at worstM20 3FQ: medium flood risk at worstM20 3WA: medium flood risk at worstM20 3WB: medium flood risk at worstM20 3BD: high flood riskM20 3BN: high flood riskM20 3EG: high flood riskM20 3EX: high flood riskM20 3FW: high flood riskM20 3LU: high flood riskM20 3NA: high flood riskM20 3NB: high flood risk Old MoatDidsbury West 10 postcodes at high or medium risk, outlined: this goes to M20 3LU, the one with most homes and businesses at high risk10 postcodes at high or medium risk Map of every postcode in the M20 3 sector, by flood risk Of the 152 postcodes in the M20 3 sector that ONS places, 8 have a home or business at high risk, 3 are at medium risk at worst, 8 are at low risk at worst and 133 are not on the Environment Agency's at-risk list. One group of postcodes at high or medium risk is outlined: 10 postcodes at high or medium risk. Places named: Old Moat, Didsbury West. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. Old MoatDidsbury West
  • A home or business at high risk: 8
  • At medium risk at worst: 3
  • At low risk at worst: 8
  • At very low risk only: 0
  • Not on the at-risk list: 133
  • Outline: where 5 or more postcodes at high or medium risk lie together

Of the 152 postcodes in the M20 3 sector that ONS places, 8 have a home or business at high risk, 3 are at medium risk at worst, 8 are at low risk at worst and 133 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. A dashed outline shows where 5 or more lie within 150 metres of each other. It is not a boundary, and no boundary is drawn. 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 high risk

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

M20 3LU30 at high riskM20 3BD18 at high riskM20 3NB11 at high riskM20 3BN9 at high riskM20 3EG6 at high riskM20 3NA2 at high riskM20 3EX1 at high riskM20 3FW1 at high risk

Where the postcodes at high or medium risk lie together

  • 10 postcodes at high or medium risk, outlined on the map. M20 3LU, is the one with most homes and businesses at high risk.

What do homes sell for in M20 3?

Homes in M20 3 sold for a typical £301,000 in the 12 months to August 2026, across 88 sales, up 5.6% on the 12 months before, HM Land Registry's figures show.

£301,000 typical price, the 12 months to August 2026
£285,000 12 months to August 2025
▲ up 5.6% on the 12 months before
  • Detached 3 sales, too few to price
  • Semi-detached £581,000 20 sales
  • Terraced £337,500 27 sales
  • Flat or maisonette £223,250 38 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 M20 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 M20 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.

M20 3APM20 3BAM20 3BDM20 3BFM20 3BGM20 3BJM20 3BNM20 3BPM20 3BQM20 3BWM20 3BXM20 3BZM20 3DAM20 3DBM20 3DDM20 3DEM20 3DFM20 3DHM20 3DJM20 3DLM20 3DPM20 3DQM20 3DRM20 3DSM20 3DTM20 3DUM20 3DWM20 3DXM20 3DYM20 3DZM20 3EAM20 3EBM20 3EDM20 3EEM20 3EFM20 3EGM20 3EHM20 3EJM20 3ELM20 3EQM20 3ERM20 3ESM20 3ETM20 3EUM20 3EXM20 3EYM20 3EZM20 3FAM20 3FBM20 3FDM20 3FEM20 3FFM20 3FGM20 3FHM20 3FJM20 3FLM20 3FNM20 3FPM20 3FQM20 3FRM20 3FSM20 3FTM20 3FUM20 3FWM20 3FXM20 3FYM20 3FZM20 3GAM20 3GBM20 3GDM20 3GFM20 3GGM20 3GHM20 3GJM20 3GLM20 3GNM20 3GPM20 3GRM20 3GSM20 3GTM20 3GUM20 3GWM20 3GYM20 3GZM20 3HAM20 3HBM20 3HDM20 3HEM20 3HFM20 3HLM20 3HNM20 3HPM20 3HRM20 3HUM20 3JAM20 3JBM20 3JEM20 3JFM20 3JGM20 3JHM20 3JJM20 3JLM20 3JNM20 3JQM20 3JRM20 3JSM20 3JTM20 3JUM20 3JWM20 3JYM20 3JZM20 3LAM20 3LBM20 3LDM20 3LEM20 3LHM20 3LJM20 3LLM20 3LNM20 3LPM20 3LQM20 3LRM20 3LSM20 3LTM20 3LUM20 3LWM20 3NAM20 3NBM20 3PPM20 3QDM20 3QHM20 3QJM20 3QLM20 3QNM20 3QRM20 3QTM20 3QUM20 3QWM20 3QXM20 3QYM20 3QZM20 3RAM20 3RBM20 3TFM20 3WAM20 3WBM20 3WHM20 3YAM20 3YBM20 3YDM20 3YHM20 3ZA

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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