L20 4 postcode sector in the L20 district

L20 4 is a sector of the L20 district: every postcode that starts L20 4. It has 186 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 L20 4 sector, by gigabit broadband

No home or business can get gigabit: 9
Some can get gigabit: 21
Every home and business can get gigabit: 153
Ofcom gives no figure: 3

Of the 186 postcodes in the L20 4 sector that ONS places, 9 have no home or business that can get gigabit, 21 have some that can, 153 can all get it and 3 have no Ofcom figure.

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.

Sources: ONS Postcode Directory, August 2026, loaded 20 October 2026; Ofcom Connected Nations, Connected Nations, Spring 2026; roads, rivers and built-up areas: Ordnance Survey open maps. 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.

Postcodes without gigabit

L20 4FB L20 4FE L20 4PA L20 4PY L20 4RD L20 4RE L20 4UN L20 4UU L20 4UX

2 further out, not drawn

These postcodes lie well apart from the rest, so the map is drawn without them to show the rest closer; they are in every count.

L20 4AA L20 4XR

What do homes sell for in L20 4?

Homes in L20 4 sold for a typical £102,500 in the 12 months to September 2026, across 36 sales, HM Land Registry's figures show. The 12 months before gave £100,000 from 33 sales: not a change larger than chance would explain, given which homes happened to sell.

£102,500 typical price, the 12 months to September 2026

£100,000 12 months to September 2025

Semi-detached £165,000 7 sales
Terraced £105,000 20 sales
Flat or maisonette £77,000 9 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 L20 4. 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 October 2026.

Postcodes in L20 4

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.

L20 4AA L20 4AB L20 4AD L20 4AE L20 4AG L20 4AH L20 4AL L20 4AP L20 4AS L20 4AU L20 4AX L20 4AY L20 4AZ L20 4BB L20 4BG L20 4BL L20 4BP L20 4BU L20 4DB L20 4DF L20 4DG L20 4DL L20 4DN L20 4DS L20 4DT L20 4DU L20 4DX L20 4DY L20 4EA L20 4ED L20 4EF L20 4EG L20 4EH L20 4EJ L20 4EL L20 4EN L20 4EQ L20 4ET L20 4EU L20 4EW L20 4EX L20 4EY L20 4FB L20 4FD L20 4FE L20 4HA L20 4HB L20 4HH L20 4HN L20 4HU L20 4JA L20 4JB L20 4JE L20 4JG L20 4JH L20 4JJ L20 4JL L20 4JN L20 4JP L20 4JQ L20 4JR L20 4JS L20 4JU L20 4JW L20 4JX L20 4JZ L20 4LA L20 4LB L20 4LE L20 4LF L20 4LG L20 4LH L20 4LJ L20 4LL L20 4LN L20 4LP L20 4LQ L20 4LU L20 4LW L20 4LX L20 4LZ L20 4NF L20 4NH L20 4NJ L20 4NL L20 4NN L20 4NP L20 4NR L20 4NU L20 4NX L20 4NY L20 4NZ L20 4PA L20 4PB L20 4PD L20 4PE L20 4PF L20 4PG L20 4PH L20 4PJ L20 4PL L20 4PN L20 4PQ L20 4PR L20 4PS L20 4PT L20 4PU L20 4PW L20 4PX L20 4PY L20 4PZ L20 4QA L20 4QD L20 4QE L20 4QF L20 4QG L20 4QH L20 4QJ L20 4QN L20 4QP L20 4QQ L20 4QR L20 4QS L20 4QT L20 4RD L20 4RE L20 4RH L20 4RJ L20 4RL L20 4RN L20 4RP L20 4RR L20 4RS L20 4RT L20 4RU L20 4RW L20 4RY L20 4RZ L20 4SE L20 4SF L20 4SG L20 4SJ L20 4SL L20 4SN L20 4SP L20 4SQ L20 4SR L20 4SS L20 4ST L20 4SU L20 4SW L20 4SX L20 4SY L20 4SZ L20 4TD L20 4TE L20 4TP L20 4TQ L20 4TR L20 4TU L20 4TW L20 4TX L20 4TZ L20 4UF L20 4UG L20 4UH L20 4UJ L20 4UL L20 4UN L20 4UP L20 4US L20 4UT L20 4UU L20 4UW L20 4UX L20 4UY L20 4UZ L20 4XA L20 4XE L20 4XG L20 4XP L20 4XR L20 4XX L20 4XY L20 4XZ L20 4YG

Source: ONS Postcode Directory, August 2026, loaded 20 October 2026. Postcodes that have ended are not listed.

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 L20

L20 0 sector L20 1 sector L20 2 sector L20 3 sector L20 5 sector L20 6 sector L20 7 sector L20 8 sector L20 9 sector All of L20 L postcode area

Check a postcode

Where the facts on this page come from

Office for National Statistics: ONS Postcode Directory
Ofcom Connected Nations
HM Land Registry Price Paid Data

Contains public sector information licensed under the Open Government Licence v3.0. Contains HM Land Registry data © Crown copyright and database right 2021. This data is licensed under the Open Government Licence v3.0.

Licence: Open Government Licence v3.0.

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