MK18 5 postcode sector in the MK18 district

MK18 5 is a sector of the MK18 district: every postcode that starts MK18 5. It has 122 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 MK18 5 sector, by gigabit broadband

Map of every postcode in the MK18 5 sector, by gigabit broadband Of the 122 postcodes in the MK18 5 sector that ONS places, 52 have no home or business that can get gigabit, 19 have some that can, 47 can all get it and 4 have no Ofcom figure. 2 groups of postcodes without gigabit are outlined: 10 postcodes without gigabit; 5 postcodes without gigabit. Places named: Buckingham. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 2 km. MK18 5DD: no Ofcom figureMK18 5DE: no Ofcom figureMK18 5EF: no Ofcom figureMK18 5ZR: no Ofcom figureMK18 5AD: gigabit for allMK18 5AE: gigabit for allMK18 5AZ: gigabit for allMK18 5BB: gigabit for allMK18 5BD: gigabit for allMK18 5BE: gigabit for allMK18 5BF: gigabit for allMK18 5BG: gigabit for allMK18 5BP: gigabit for allMK18 5BQ: gigabit for allMK18 5BT: gigabit for allMK18 5DR: gigabit for allMK18 5DS: gigabit for allMK18 5DT: gigabit for allMK18 5DU: gigabit for allMK18 5DX: gigabit for allMK18 5GZ: gigabit for allMK18 5HA: gigabit for allMK18 5HD: gigabit for allMK18 5HG: gigabit for allMK18 5HH: gigabit for allMK18 5HP: gigabit for allMK18 5HR: gigabit for allMK18 5HS: gigabit for allMK18 5HU: gigabit for allMK18 5HW: gigabit for allMK18 5HX: gigabit for allMK18 5JG: gigabit for allMK18 5JJ: gigabit for allMK18 5JL: gigabit for allMK18 5JN: gigabit for allMK18 5JX: gigabit for allMK18 5JY: gigabit for allMK18 5LA: gigabit for allMK18 5LB: gigabit for allMK18 5LD: gigabit for allMK18 5LE: gigabit for allMK18 5LF: gigabit for allMK18 5LG: gigabit for allMK18 5LU: gigabit for allMK18 5LX: gigabit for allMK18 5LY: gigabit for allMK18 5LZ: gigabit for allMK18 5NE: gigabit for allMK18 5AY: some gigabitMK18 5BH: some gigabitMK18 5BJ: some gigabitMK18 5BL: some gigabitMK18 5BN: some gigabitMK18 5BW: some gigabitMK18 5HB: some gigabitMK18 5HE: some gigabitMK18 5HJ: some gigabitMK18 5HL: some gigabitMK18 5HQ: some gigabitMK18 5HZ: some gigabitMK18 5JE: some gigabitMK18 5JH: some gigabitMK18 5JZ: some gigabitMK18 5LT: some gigabitMK18 5NU: some gigabitMK18 5PA: some gigabitMK18 5AA: no gigabitMK18 5AB: no gigabitMK18 5AF: no gigabitMK18 5AG: no gigabitMK18 5AH: no gigabitMK18 5AJ: no gigabitMK18 5AL: no gigabitMK18 5AN: no gigabitMK18 5AP: no gigabitMK18 5AQ: no gigabitMK18 5AR: no gigabitMK18 5AS: no gigabitMK18 5AT: no gigabitMK18 5AU: no gigabitMK18 5AW: no gigabitMK18 5AX: no gigabitMK18 5BS: no gigabitMK18 5BZ: no gigabitMK18 5DA: no gigabitMK18 5DB: no gigabitMK18 5DF: no gigabitMK18 5DH: no gigabitMK18 5DJ: no gigabitMK18 5DN: no gigabitMK18 5DP: no gigabitMK18 5DQ: no gigabitMK18 5DY: no gigabitMK18 5DZ: no gigabitMK18 5EA: no gigabitMK18 5EB: no gigabitMK18 5ED: no gigabitMK18 5EE: no gigabitMK18 5EG: no gigabitMK18 5EH: no gigabitMK18 5EQ: no gigabitMK18 5EX: no gigabitMK18 5EY: no gigabitMK18 5EZ: no gigabitMK18 5LH: no gigabitMK18 5LJ: no gigabitMK18 5LQ: no gigabitMK18 5NA: no gigabitMK18 5NB: no gigabitMK18 5ND: no gigabitMK18 5NN: no gigabitMK18 5NP: no gigabitMK18 5NR: no gigabitMK18 5NS: no gigabitMK18 5NW: no gigabitMK18 5NX: no gigabitMK18 5NY: no gigabitMK18 5NZ: no gigabit Buckingham 10 postcodes without gigabit, outlined: this goes to MK18 5AQ, the one nearest the middle of them10 postcodes without gigabit5 postcodes without gigabit, outlined: this goes to MK18 5NR, the one nearest the middle of them5 postcodes without gigabit Map of every postcode in the MK18 5 sector, by gigabit broadband Of the 122 postcodes in the MK18 5 sector that ONS places, 52 have no home or business that can get gigabit, 19 have some that can, 47 can all get it and 4 have no Ofcom figure. 2 groups of postcodes without gigabit are outlined: 10 postcodes without gigabit; 5 postcodes without gigabit. Places named: Buckingham. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 2.5 km. Buckingham 10 postcodes without gigabit, outlined: this goes to MK18 5AQ, the one nearest the middle of them10 postcodes without gigabit5 postcodes without gigabit, outlined: this goes to MK18 5NR, the one nearest the middle of them5 postcodes without gigabit
  • No home or business can get gigabit: 52
  • Some can get gigabit: 19
  • Every home and business can get gigabit: 47
  • Ofcom gives no figure: 4
  • Outline: where 5 or more postcodes without gigabit lie together

Of the 122 postcodes in the MK18 5 sector that ONS places, 52 have no home or business that can get gigabit, 19 have some that can, 47 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 480 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. 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

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

MK18 5AAMK18 5ABMK18 5AFMK18 5AGMK18 5AHMK18 5AJMK18 5ALMK18 5ANMK18 5APMK18 5AQMK18 5ARMK18 5AS

Where the postcodes without gigabit lie together

  • 10 postcodes without gigabit, outlined on the map. MK18 5AQ, is the one nearest the middle of them.
  • 5 postcodes without gigabit, outlined on the map. MK18 5NR, is the one nearest the middle of them.

What do homes sell for in MK18 5?

Homes in MK18 5 sold for a typical £352,500 in the 12 months to September 2026, across 12 sales, HM Land Registry's figures show. The 12 months before gave £774,500 from 13 sales. With fewer than 30 sales a year, a change can come from which homes happened to sell, so we do not give one.

£352,500 typical price, the 12 months to September 2026
£774,500 12 months to September 2025
  • Detached 4 sales, too few to price
  • Semi-detached 4 sales, too few to price
  • Terraced 4 sales, too few to price

Standard sales of homes at market value at the postcodes that start MK18 5. 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 MK18 5

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.

MK18 5AAMK18 5ABMK18 5ADMK18 5AEMK18 5AFMK18 5AGMK18 5AHMK18 5AJMK18 5ALMK18 5ANMK18 5APMK18 5AQMK18 5ARMK18 5ASMK18 5ATMK18 5AUMK18 5AWMK18 5AXMK18 5AYMK18 5AZMK18 5BBMK18 5BDMK18 5BEMK18 5BFMK18 5BGMK18 5BHMK18 5BJMK18 5BLMK18 5BNMK18 5BPMK18 5BQMK18 5BSMK18 5BTMK18 5BWMK18 5BZMK18 5DAMK18 5DBMK18 5DDMK18 5DEMK18 5DFMK18 5DHMK18 5DJMK18 5DNMK18 5DPMK18 5DQMK18 5DRMK18 5DSMK18 5DTMK18 5DUMK18 5DXMK18 5DYMK18 5DZMK18 5EAMK18 5EBMK18 5EDMK18 5EEMK18 5EFMK18 5EGMK18 5EHMK18 5EQMK18 5EXMK18 5EYMK18 5EZMK18 5GZMK18 5HAMK18 5HBMK18 5HDMK18 5HEMK18 5HFMK18 5HGMK18 5HHMK18 5HJMK18 5HLMK18 5HNMK18 5HPMK18 5HQMK18 5HRMK18 5HSMK18 5HUMK18 5HWMK18 5HXMK18 5HZMK18 5JEMK18 5JFMK18 5JGMK18 5JHMK18 5JJMK18 5JLMK18 5JNMK18 5JPMK18 5JXMK18 5JYMK18 5JZMK18 5LAMK18 5LBMK18 5LDMK18 5LEMK18 5LFMK18 5LGMK18 5LHMK18 5LJMK18 5LQMK18 5LTMK18 5LUMK18 5LXMK18 5LYMK18 5LZMK18 5NAMK18 5NBMK18 5NDMK18 5NEMK18 5NNMK18 5NPMK18 5NRMK18 5NSMK18 5NUMK18 5NWMK18 5NXMK18 5NYMK18 5NZMK18 5PAMK18 5ZR

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.

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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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