RG21 4 postcode sector in the RG21 district

RG21 4 is a sector of the RG21 district: every postcode that starts RG21 4. It has 115 postcodes in use, 11 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 RG21 4 sector, by gigabit broadband

Map of every postcode in the RG21 4 sector, by gigabit broadband Of the 115 postcodes in the RG21 4 sector that ONS places, 15 have no home or business that can get gigabit, 9 have some that can, 87 can all get it and 4 have no Ofcom figure. One group of postcodes without gigabit is outlined: 5 postcodes without gigabit. Places named: Basingstoke. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 500 m. A339A3010A340 RG21 4NA: no Ofcom figureRG21 4UJ: no Ofcom figureRG21 4AH: gigabit for allRG21 4AP: gigabit for allRG21 4AS: gigabit for allRG21 4AT: gigabit for allRG21 4AU: gigabit for allRG21 4AX: gigabit for allRG21 4BF: gigabit for allRG21 4BG: gigabit for allRG21 4BJ: gigabit for allRG21 4BN: gigabit for allRG21 4BP: gigabit for allRG21 4BQ: gigabit for allRG21 4BS: gigabit for allRG21 4BT: gigabit for allRG21 4BU: gigabit for allRG21 4BX: gigabit for allRG21 4BY: gigabit for allRG21 4BZ: gigabit for allRG21 4DA: gigabit for allRG21 4DB: gigabit for allRG21 4DD: gigabit for allRG21 4DE: gigabit for allRG21 4DF: gigabit for allRG21 4DG: gigabit for allRG21 4DH: gigabit for allRG21 4DJ: gigabit for allRG21 4DL: gigabit for allRG21 4DN: gigabit for allRG21 4DP: gigabit for allRG21 4DQ: gigabit for allRG21 4DR: gigabit for allRG21 4DS: gigabit for allRG21 4DT: gigabit for allRG21 4DU: gigabit for allRG21 4DW: gigabit for allRG21 4DX: gigabit for allRG21 4ER: gigabit for allRG21 4ET: gigabit for allRG21 4EY: gigabit for allRG21 4EZ: gigabit for allRG21 4FL: gigabit for allRG21 4FP: gigabit for allRG21 4FQ: gigabit for allRG21 4FR: gigabit for allRG21 4HA: gigabit for allRG21 4HD: gigabit for allRG21 4HE: gigabit for allRG21 4HF: gigabit for allRG21 4HP: gigabit for allRG21 4HU: gigabit for allRG21 4HX: gigabit for allRG21 4HY: gigabit for allRG21 4JB: gigabit for allRG21 4JF: gigabit for allRG21 4JH: gigabit for allRG21 4JN: gigabit for allRG21 4JP: gigabit for allRG21 4LB: gigabit for allRG21 4NX: gigabit for allRG21 4NY: gigabit for allRG21 4NZ: gigabit for allRG21 4PA: gigabit for allRG21 4PB: gigabit for allRG21 4PD: gigabit for allRG21 4PE: gigabit for allRG21 4PF: gigabit for allRG21 4PG: gigabit for allRG21 4PH: gigabit for allRG21 4PJ: gigabit for allRG21 4PL: gigabit for allRG21 4PN: gigabit for allRG21 4PP: gigabit for allRG21 4PQ: gigabit for allRG21 4PR: gigabit for allRG21 4PS: gigabit for allRG21 4PT: gigabit for allRG21 4PU: gigabit for allRG21 4PW: gigabit for allRG21 4PX: gigabit for allRG21 4PY: gigabit for allRG21 4PZ: gigabit for allRG21 4QA: gigabit for allRG21 4QB: gigabit for allRG21 4QE: gigabit for allRG21 4RN: gigabit for allRG21 4RW: gigabit for allRG21 4YY: gigabit for allRG21 4AA: some gigabitRG21 4AE: some gigabitRG21 4AG: some gigabitRG21 4AQ: some gigabitRG21 4AR: some gigabitRG21 4BW: some gigabitRG21 4EQ: some gigabitRG21 4HG: some gigabitRG21 4JX: some gigabitRG21 4AB: no gigabitRG21 4AF: no gigabitRG21 4AL: no gigabitRG21 4AN: no gigabitRG21 4AW: no gigabitRG21 4BB: no gigabitRG21 4DZ: no gigabitRG21 4EB: no gigabitRG21 4FA: no gigabitRG21 4FB: no gigabitRG21 4FF: no gigabitRG21 4FS: no gigabitRG21 4HL: no gigabitRG21 4QD: no gigabitRG21 4RG: no gigabit Basingstoke 5 postcodes without gigabit, outlined: this goes to RG21 4AB, the one nearest the middle of them5 postcodes without gigabit Map of every postcode in the RG21 4 sector, by gigabit broadband Of the 115 postcodes in the RG21 4 sector that ONS places, 15 have no home or business that can get gigabit, 9 have some that can, 87 can all get it and 4 have no Ofcom figure. One group of postcodes without gigabit is outlined: 5 postcodes without gigabit. Places named: Basingstoke. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 500 m. A3010A340 Basingstoke
  • No home or business can get gigabit: 15
  • Some can get gigabit: 9
  • Every home and business can get gigabit: 87
  • Ofcom gives no figure: 4
  • Outline: where 5 or more postcodes without gigabit lie together

Of the 115 postcodes in the RG21 4 sector that ONS places, 15 have no home or business that can get gigabit, 9 have some that can, 87 can all get it and 4 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. 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. Where marks overlap, the one first in the key is drawn; the counts include every postcode.

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

15 postcodes here have no gigabit. These are the 12 first in postcode order.

Where the postcodes without gigabit lie together

What do homes sell for in RG21 4?

Homes in RG21 4 sold for a typical £285,000 in the 12 months to September 2026, across 35 sales, HM Land Registry's figures show. The 12 months before gave £295,000 from 71 sales: not a change larger than chance would explain, given which homes happened to sell.

£285,000 typical price, the 12 months to September 2026
£295,000 12 months to September 2025
  • Detached 1 sale, too few to price
  • Semi-detached 3 sales, too few to price
  • Terraced £294,500 24 sales
  • Flat or maisonette £180,000 7 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 RG21 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.

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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Where the facts on this page come from

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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