CB23 1 postcode sector in the CB23 district

CB23 1 is a sector of the CB23 district: every postcode that starts CB23 1. It has 75 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 CB23 1 sector, by gigabit broadband

Map of every postcode in the CB23 1 sector, by gigabit broadband Of the 75 postcodes in the CB23 1 sector that ONS places, 7 have no home or business that can get gigabit, 10 have some that can, 57 can all get it and 1 have no Ofcom figure. Places named: Harston & Comberton, Barrington. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 1 km. CB23 1WX: no Ofcom figureCB23 1AA: gigabit for allCB23 1AB: gigabit for allCB23 1AD: gigabit for allCB23 1AG: gigabit for allCB23 1ER: gigabit for allCB23 1EU: gigabit for allCB23 1EW: gigabit for allCB23 1EZ: gigabit for allCB23 1HB: gigabit for allCB23 1HD: gigabit for allCB23 1HF: gigabit for allCB23 1HH: gigabit for allCB23 1HJ: gigabit for allCB23 1HL: gigabit for allCB23 1HP: gigabit for allCB23 1HR: gigabit for allCB23 1HU: gigabit for allCB23 1HW: gigabit for allCB23 1JA: gigabit for allCB23 1JB: gigabit for allCB23 1JD: gigabit for allCB23 1JE: gigabit for allCB23 1JF: gigabit for allCB23 1JG: gigabit for allCB23 1JH: gigabit for allCB23 1JJ: gigabit for allCB23 1JL: gigabit for allCB23 1JN: gigabit for allCB23 1JP: gigabit for allCB23 1JQ: gigabit for allCB23 1JR: gigabit for allCB23 1JS: gigabit for allCB23 1JT: gigabit for allCB23 1JU: gigabit for allCB23 1JW: gigabit for allCB23 1JX: gigabit for allCB23 1LD: gigabit for allCB23 1LE: gigabit for allCB23 1LG: gigabit for allCB23 1LH: gigabit for allCB23 1LL: gigabit for allCB23 1LN: gigabit for allCB23 1LP: gigabit for allCB23 1LQ: gigabit for allCB23 1LR: gigabit for allCB23 1LS: gigabit for allCB23 1LT: gigabit for allCB23 1LU: gigabit for allCB23 1LX: gigabit for allCB23 1LZ: gigabit for allCB23 1NA: gigabit for allCB23 1NB: gigabit for allCB23 1ND: gigabit for allCB23 1NF: gigabit for allCB23 1YL: gigabit for allCB23 1YU: gigabit for allCB23 1ES: some gigabitCB23 1ET: some gigabitCB23 1HE: some gigabitCB23 1HG: some gigabitCB23 1HN: some gigabitCB23 1HQ: some gigabitCB23 1HT: some gigabitCB23 1JZ: some gigabitCB23 1LF: some gigabitCB23 1LW: some gigabitCB23 1AE: no gigabitCB23 1AF: no gigabitCB23 1EN: no gigabitCB23 1EX: no gigabitCB23 1EY: no gigabitCB23 1HA: no gigabitCB23 1LY: no gigabit Harston & CombertonBarrington Map of every postcode in the CB23 1 sector, by gigabit broadband Of the 75 postcodes in the CB23 1 sector that ONS places, 7 have no home or business that can get gigabit, 10 have some that can, 57 can all get it and 1 have no Ofcom figure. Places named: Harston & Comberton, Barrington. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 1 km. Harston & CombertonBarrington
  • No home or business can get gigabit: 7
  • Some can get gigabit: 10
  • Every home and business can get gigabit: 57
  • Ofcom gives no figure: 1

Of the 75 postcodes in the CB23 1 sector that ONS places, 7 have no home or business that can get gigabit, 10 have some that can, 57 can all get it and 1 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.

What do homes sell for in CB23 1?

Homes in CB23 1 sold for a typical £492,000 in the 12 months to September 2026, across 21 sales, HM Land Registry's figures show. The 12 months before gave £610,000 from 40 sales. With fewer than 30 sales a year, a change can come from which homes happened to sell, so we do not give one.

£492,000 typical price, the 12 months to September 2026
£610,000 12 months to September 2025
  • Detached £590,000 8 sales
  • Semi-detached £447,500 8 sales
  • Terraced £300,000 5 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 CB23 1. 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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