SY20 postcode district: Machynlleth and around

SY20 is a postcode district in Wales, with 421 postcodes in use in 3 sectors. It has postcodes in Machynlleth. It is split between 3 councils: Powys (241 postcodes), Gwynedd (143) and Ceredigion (37).

Postcodes in use
421
Sectors
3
Councils
3 councils
Places
Machynlleth

Source: ONS Postcode Directory, August 2026, loaded 20 October 2026.

Every postcode in SY20, by gigabit broadband

Map of every postcode in SY20, by gigabit broadband Of the 421 postcodes in SY20 that ONS places, 87 have no home or business that can get gigabit, 134 have some that can, 195 can all get it and 5 have no Ofcom figure. 3 groups of postcodes without gigabit are outlined: 26 postcodes without gigabit; 7 postcodes without gigabit; 5 postcodes without gigabit. Places named: Machynlleth, Dolgellau. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 5 km. A496A494 SY20 9QA: no Ofcom figureSY20 8DF: gigabit for allSY20 8EJ: gigabit for allSY20 8EP: gigabit for allSY20 8EU: gigabit for allSY20 8HA: gigabit for allSY20 8HB: gigabit for allSY20 8HL: gigabit for allSY20 8HQ: gigabit for allSY20 8HT: gigabit for allSY20 8HZ: gigabit for allSY20 8JA: gigabit for allSY20 8JU: gigabit for allSY20 8LE: gigabit for allSY20 8LJ: gigabit for allSY20 8LL: gigabit for allSY20 8LP: gigabit for allSY20 8LT: gigabit for allSY20 8ND: gigabit for allSY20 8NG: gigabit for allSY20 8NH: gigabit for allSY20 8NL: gigabit for allSY20 8NQ: gigabit for allSY20 8NR: gigabit for allSY20 8NX: gigabit for allSY20 8PD: gigabit for allSY20 8PG: gigabit for allSY20 8QA: gigabit for allSY20 8QB: gigabit for allSY20 8QE: gigabit for allSY20 8QH: gigabit for allSY20 8QN: gigabit for allSY20 8QP: gigabit for allSY20 8QR: gigabit for allSY20 8QT: gigabit for allSY20 8QW: gigabit for allSY20 8RB: gigabit for allSY20 8RG: gigabit for allSY20 8RY: gigabit for allSY20 8SA: gigabit for allSY20 8SE: gigabit for allSY20 8SF: gigabit for allSY20 8SH: gigabit for allSY20 8SQ: gigabit for allSY20 8TG: gigabit for allSY20 8TL: gigabit for allSY20 8TQ: gigabit for allSY20 8TU: gigabit for allSY20 8TX: gigabit for allSY20 8TY: gigabit for allSY20 8TZ: gigabit for allSY20 9AD: gigabit for allSY20 9AE: gigabit for allSY20 9AF: gigabit for allSY20 9AG: gigabit for allSY20 9AJ: gigabit for allSY20 9AQ: gigabit for allSY20 9AR: gigabit for allSY20 9AT: gigabit for allSY20 9AU: gigabit for allSY20 9AX: gigabit for allSY20 9AZ: gigabit for allSY20 9BG: gigabit for allSY20 9EF: gigabit for allSY20 9EJ: gigabit for allSY20 9EL: gigabit for allSY20 9EN: gigabit for allSY20 9EP: gigabit for allSY20 9EZ: gigabit for allSY20 9HN: gigabit for allSY20 9HW: gigabit for allSY20 9JH: gigabit for allSY20 9JJ: gigabit for allSY20 9JQ: gigabit for allSY20 9LG: gigabit for allSY20 9LS: gigabit for allSY20 9LT: gigabit for allSY20 9NG: gigabit for allSY20 9NL: gigabit for allSY20 9PB: gigabit for allSY20 9PE: gigabit for allSY20 9PP: gigabit for allSY20 9PS: gigabit for allSY20 9PT: gigabit for allSY20 9PU: gigabit for allSY20 9PX: gigabit for allSY20 9PY: gigabit for allSY20 9QZ: gigabit for allSY20 9RA: gigabit for allSY20 9RB: gigabit for allSY20 9RG: gigabit for allSY20 9RH: gigabit for allSY20 8AA: some gigabitSY20 8AN: some gigabitSY20 8AX: some gigabitSY20 8DG: some gigabitSY20 8ER: some gigabitSY20 8JG: some gigabitSY20 8JN: some gigabitSY20 8JR: some gigabitSY20 8JS: some gigabitSY20 8JY: some gigabitSY20 8LD: some gigabitSY20 8LF: some gigabitSY20 8LG: some gigabitSY20 8LN: some gigabitSY20 8LS: some gigabitSY20 8LU: some gigabitSY20 8LW: some gigabitSY20 8NE: some gigabitSY20 8NP: some gigabitSY20 8NS: some gigabitSY20 8NU: some gigabitSY20 8NW: some gigabitSY20 8NY: some gigabitSY20 8NZ: some gigabitSY20 8PL: some gigabitSY20 8PN: some gigabitSY20 8PU: some gigabitSY20 8PX: some gigabitSY20 8PZ: some gigabitSY20 8QD: some gigabitSY20 8QG: some gigabitSY20 8QJ: some gigabitSY20 8QQ: some gigabitSY20 8RA: some gigabitSY20 8RE: some gigabitSY20 8RN: some gigabitSY20 8RP: some gigabitSY20 8RR: some gigabitSY20 8SB: some gigabitSY20 8SD: some gigabitSY20 8SG: some gigabitSY20 8SJ: some gigabitSY20 8SR: some gigabitSY20 8SS: some gigabitSY20 8SX: some gigabitSY20 8TA: some gigabitSY20 8TD: some gigabitSY20 8TE: some gigabitSY20 8TF: some gigabitSY20 8TN: some gigabitSY20 8UA: some gigabitSY20 8UJ: some gigabitSY20 8UL: some gigabitSY20 8UN: some gigabitSY20 8UP: some gigabitSY20 8UW: some gigabitSY20 9AA: some gigabitSY20 9AB: some gigabitSY20 9AH: some gigabitSY20 9AS: some gigabitSY20 9AY: some gigabitSY20 9EE: some gigabitSY20 9EX: some gigabitSY20 9HA: some gigabitSY20 9HD: some gigabitSY20 9HE: some gigabitSY20 9HJ: some gigabitSY20 9HP: some gigabitSY20 9HR: some gigabitSY20 9HS: some gigabitSY20 9JG: some gigabitSY20 9JP: some gigabitSY20 9JR: some gigabitSY20 9JS: some gigabitSY20 9JX: some gigabitSY20 9LB: some gigabitSY20 9LD: some gigabitSY20 9LE: some gigabitSY20 9LN: some gigabitSY20 9LP: some gigabitSY20 9LR: some gigabitSY20 9LX: some gigabitSY20 9ND: some gigabitSY20 9NF: some gigabitSY20 9NH: some gigabitSY20 9NJ: some gigabitSY20 9NT: some gigabitSY20 9NU: some gigabitSY20 9PA: some gigabitSY20 9PF: some gigabitSY20 9PZ: some gigabitSY20 9QG: some gigabitSY20 9QP: some gigabitSY20 9RF: some gigabitSY20 8AH: some gigabitSY20 8BG: some gigabitSY20 8HE: some gigabitSY20 8UH: some gigabitSY20 8NN: some gigabitSY20 8RZ: some gigabitSY20 9BP: some gigabitSY20 9PR: some gigabitSY20 8AD: no gigabitSY20 8DH: no gigabitSY20 8EX: no gigabitSY20 8JZ: no gigabitSY20 8LR: no gigabitSY20 8LX: no gigabitSY20 8LY: no gigabitSY20 8NA: no gigabitSY20 8NB: no gigabitSY20 8PW: no gigabitSY20 8PY: no gigabitSY20 8QL: no gigabitSY20 8QS: no gigabitSY20 8RF: no gigabitSY20 8SU: no gigabitSY20 8TB: no gigabitSY20 8UB: no gigabitSY20 8UR: no gigabitSY20 9BZ: no gigabitSY20 9DH: no gigabitSY20 9DJ: no gigabitSY20 9DP: no gigabitSY20 9DT: no gigabitSY20 9DU: no gigabitSY20 9DX: no gigabitSY20 9DY: no gigabitSY20 9DZ: no gigabitSY20 9EW: no gigabitSY20 9JA: no gigabitSY20 9JE: no gigabitSY20 9JF: no gigabitSY20 9JU: no gigabitSY20 9JY: no gigabitSY20 9LF: no gigabitSY20 9LL: no gigabitSY20 9NQ: no gigabitSY20 9NX: no gigabitSY20 9RD: no gigabitSY20 9RE: no gigabitSY20 9RJ: no gigabitSY20 9RL: no gigabitSY20 9RP: no gigabitSY20 9RR: no gigabitSY20 9RS: no gigabitSY20 9RU: no gigabitSY20 9RW: no gigabitSY20 9RZ: no gigabitSY20 9SA: no gigabitSY20 9SB: no gigabitSY20 9SH: no gigabitSY20 9TF: no gigabitSY20 9TG: no gigabitSY20 9TS: no gigabitSY20 9TW: no gigabitSY20 8BD: no gigabit MachynllethDolgellau 26 postcodes without gigabit, outlined: this goes to SY20 9SS, the one nearest the middle of them26 postcodes without gigabit5 postcodes without gigabit, outlined: this goes to SY20 9RU, the one nearest the middle of them5 postcodes without gigabit Map of every postcode in SY20, by gigabit broadband Of the 421 postcodes in SY20 that ONS places, 87 have no home or business that can get gigabit, 134 have some that can, 195 can all get it and 5 have no Ofcom figure. 3 groups of postcodes without gigabit are outlined: 26 postcodes without gigabit; 7 postcodes without gigabit; 5 postcodes without gigabit. Places named: Machynlleth, Dolgellau. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 5 km. A496 MachynllethDolgellau 26 postcodes without gigabit, outlined: this goes to SY20 9SS, the one nearest the middle of them26 postcodes without gigabit
  • No home or business can get gigabit: 87
  • Some can get gigabit: 134
  • Every home and business can get gigabit: 195
  • Ofcom gives no figure: 5
  • Outline: where 5 or more postcodes without gigabit lie together

Of the 421 postcodes in SY20 that ONS places, 87 have no home or business that can get gigabit, 134 have some that can, 195 can all get it and 5 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 200 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.

The middle of its postcodes: latitude 52.6150, longitude -3.8186. Open this area on OpenStreetMap

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

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

SY20 8ADSY20 8BDSY20 8DHSY20 8EXSY20 8JZSY20 8LASY20 8LRSY20 8LXSY20 8LYSY20 8NASY20 8NBSY20 8PW

Where the postcodes without gigabit lie together

  • 26 postcodes without gigabit, outlined on the map. SY20 9SS, is the one nearest the middle of them.
  • 7 postcodes without gigabit, outlined on the map. SY20 9DJ, is the one nearest the middle of them.
  • 5 postcodes without gigabit, outlined on the map. SY20 9RU, is the one nearest the middle of them.

What broadband can you get in SY20?

Ofcom reports on 416 of the 421 postcodes in SY20. At 195 of them every home and business can get gigabit broadband, and at 38 some cannot get decent broadband (10 Mbit/s).

Postcodes where every home can get gigabit195 of 416
Postcodes where every home can get superfast277 of 416
Postcodes where some cannot get decent broadband38 of 416

Ofcom gives each postcode's share of homes and businesses, not how many there are, so these count postcodes. Each postcode page has its own figures. A provider's checker answers for one address.

Check one address on Ofcom's checker

Source: Ofcom Connected Nations, Connected Nations, Spring 2026, data for January 2026.

What do homes sell for in SY20?

Homes in SY20 sold for a typical £220,000 in the 12 months to September 2026, across 61 sales, HM Land Registry's figures show. The 12 months before gave £183,500 from 92 sales: not a change larger than chance would explain, given which homes happened to sell.

£220,000 typical price, the 12 months to September 2026
£183,500 12 months to September 2025
  • Detached £330,000 29 sales
  • Semi-detached £200,000 14 sales
  • Terraced £149,000 18 sales

Each bar is that kind's typical price, against the most expensive kind here.

Standard sales of homes at market value. A typical price is the median, the middle sale. Sales take weeks to be registered, so the last month or two are incomplete. Each postcode page gives the figure for its own postcode sector.

Source: HM Land Registry Price Paid Data, files dated 28 October 2026.

Postcodes in SY20

Pick a sector, then a postcode. A sector is the district plus the next digit.

SY20 01 postcodeSY20 8235 postcodesSY20 9185 postcodes
UK postcode format explained

Places in SY20

Towns and villages with postcodes in SY20, and how many each has here.

Machynlleth postcodes,98

Who covers SY20

How many of the district's postcodes in use fall under each council, constituency and police force area.

Councils

What council am I in?

Constituencies

  • Montgomeryshire and Glyndwr241
  • Dwyfor Meirionnydd143
  • Ceredigion Preseli37

Police force areas

  • Dyfed-Powys278
  • North Wales143

Next to SY20

SY19 postcode district SY21 postcode district All SY districts Machynlleth postcodes

"Next to" is by number: the districts before and after SY20 in the SY area.

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.

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