CB3 9 postcode sector in the CB3 district

CB3 9 is a sector of the CB3 district: every postcode that starts CB3 9. It has 138 postcodes in use, 20 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 CB3 9 sector, by gigabit broadband

Map of every postcode in the CB3 9 sector, by gigabit broadband Of the 138 postcodes in the CB3 9 sector that ONS places, 8 have no home or business that can get gigabit, 33 have some that can, 90 can all get it and 7 have no Ofcom figure. Places named: Newnham, Harston & Comberton. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 500 m. A603A1134 CB3 9AJ: no Ofcom figureCB3 9BS: no Ofcom figureCB3 9BX: no Ofcom figureCB3 9DD: no Ofcom figureCB3 9DW: no Ofcom figureCB3 9ES: no Ofcom figureCB3 9AA: gigabit for allCB3 9AB: gigabit for allCB3 9AF: gigabit for allCB3 9AG: gigabit for allCB3 9AL: gigabit for allCB3 9AN: gigabit for allCB3 9AP: gigabit for allCB3 9AR: gigabit for allCB3 9AW: gigabit for allCB3 9BA: gigabit for allCB3 9BD: gigabit for allCB3 9BE: gigabit for allCB3 9BG: gigabit for allCB3 9BH: gigabit for allCB3 9BJ: gigabit for allCB3 9BQ: gigabit for allCB3 9BT: gigabit for allCB3 9DB: gigabit for allCB3 9DH: gigabit for allCB3 9DJ: gigabit for allCB3 9DL: gigabit for allCB3 9DN: gigabit for allCB3 9DQ: gigabit for allCB3 9DR: gigabit for allCB3 9DU: gigabit for allCB3 9DY: gigabit for allCB3 9DZ: gigabit for allCB3 9EA: gigabit for allCB3 9EB: gigabit for allCB3 9EF: gigabit for allCB3 9EG: gigabit for allCB3 9ET: gigabit for allCB3 9EU: gigabit for allCB3 9EX: gigabit for allCB3 9HA: gigabit for allCB3 9HB: gigabit for allCB3 9HD: gigabit for allCB3 9HE: gigabit for allCB3 9HF: gigabit for allCB3 9HJ: gigabit for allCB3 9HQ: gigabit for allCB3 9HR: gigabit for allCB3 9HS: gigabit for allCB3 9HW: gigabit for allCB3 9HX: gigabit for allCB3 9JA: gigabit for allCB3 9JD: gigabit for allCB3 9JE: gigabit for allCB3 9JF: gigabit for allCB3 9JL: gigabit for allCB3 9JQ: gigabit for allCB3 9JS: gigabit for allCB3 9JT: gigabit for allCB3 9JU: gigabit for allCB3 9JW: gigabit for allCB3 9JY: gigabit for allCB3 9LA: gigabit for allCB3 9LE: gigabit for allCB3 9LF: gigabit for allCB3 9LG: gigabit for allCB3 9LN: gigabit for allCB3 9LP: gigabit for allCB3 9LQ: gigabit for allCB3 9LR: gigabit for allCB3 9LS: gigabit for allCB3 9LT: gigabit for allCB3 9LU: gigabit for allCB3 9LW: gigabit for allCB3 9LX: gigabit for allCB3 9NB: gigabit for allCB3 9ND: gigabit for allCB3 9NE: gigabit for allCB3 9NF: gigabit for allCB3 9NG: gigabit for allCB3 9NH: gigabit for allCB3 9NJ: gigabit for allCB3 9NL: gigabit for allCB3 9NN: gigabit for allCB3 9NP: gigabit for allCB3 9NQ: gigabit for allCB3 9NR: gigabit for allCB3 9NS: gigabit for allCB3 9NT: gigabit for allCB3 9NU: gigabit for allCB3 9NW: gigabit for allCB3 9NY: gigabit for allCB3 9NZ: gigabit for allCB3 9QR: gigabit for allCB3 9AD: some gigabitCB3 9AS: some gigabitCB3 9AU: some gigabitCB3 9AX: some gigabitCB3 9AY: some gigabitCB3 9BB: some gigabitCB3 9BL: some gigabitCB3 9BN: some gigabitCB3 9DA: some gigabitCB3 9DP: some gigabitCB3 9ED: some gigabitCB3 9EE: some gigabitCB3 9EL: some gigabitCB3 9EY: some gigabitCB3 9EZ: some gigabitCB3 9HH: some gigabitCB3 9HN: some gigabitCB3 9HP: some gigabitCB3 9HY: some gigabitCB3 9HZ: some gigabitCB3 9JB: some gigabitCB3 9JG: some gigabitCB3 9JH: some gigabitCB3 9JJ: some gigabitCB3 9JN: some gigabitCB3 9JP: some gigabitCB3 9JZ: some gigabitCB3 9LB: some gigabitCB3 9LH: some gigabitCB3 9LL: some gigabitCB3 9LY: some gigabitCB3 9NX: some gigabitCB3 9PA: some gigabitCB3 9AH: no gigabitCB3 9AQ: no gigabitCB3 9BU: no gigabitCB3 9DF: no gigabitCB3 9DG: no gigabitCB3 9DS: no gigabitCB3 9HG: no gigabitCB3 9JR: no gigabit NewnhamHarston & Comberton Map of every postcode in the CB3 9 sector, by gigabit broadband Of the 138 postcodes in the CB3 9 sector that ONS places, 8 have no home or business that can get gigabit, 33 have some that can, 90 can all get it and 7 have no Ofcom figure. Places named: Newnham, Harston & Comberton. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 500 m. A1309 NewnhamHarston & Comberton
  • No home or business can get gigabit: 8
  • Some can get gigabit: 33
  • Every home and business can get gigabit: 90
  • Ofcom gives no figure: 7

Of the 138 postcodes in the CB3 9 sector that ONS places, 8 have no home or business that can get gigabit, 33 have some that can, 90 can all get it and 7 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 CB3 9?

Homes in CB3 9 sold for a typical £1,200,000 in the 12 months to September 2026, across 27 sales, HM Land Registry's figures show. The 12 months before gave £975,000 from 39 sales. With fewer than 30 sales a year, a change can come from which homes happened to sell, so we do not give one.

£1,200,000 typical price, the 12 months to September 2026
£975,000 12 months to September 2025
  • Detached £1,600,000 9 sales
  • Semi-detached 1 sale, too few to price
  • Terraced £1,182,556 12 sales
  • Flat or maisonette £575,000 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 CB3 9. 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.

Check a postcode

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.

Something wrong on this page? Report an error and we will check it against the source. All our sources