# SY20 9: postcode sector in Gwynedd

185 live postcodes: 142 in Gwynedd, 43 in Powys.

A postcode has no figures of its own: each layer is published for whole councils, neighbourhoods or exact points. The figures below are for the whole of Gwynedd, which holds 77% of SY20 9’s postcodes. Open the map at SY20 9 for neighbourhoods and points.

In: [Gwynedd](https://openindex.co.uk/gwynedd) › [SY20](https://openindex.co.uk/postcode/sy20)

## Key figures

- **Average house price: £203,555** (August 2026). Gwynedd’s average house price was £203,555 in August 2026 (HM Land Registry). Up 4.1% in a year. Source: UK House Price Index, August 2026. Published 21 October 2026.
- **Median full-time pay: £32,868** (2025). Full-time workers living in Gwynedd earned a median of £32,868 in 2025 (ONS earnings survey). 17th lowest paid of 348. Source: Annual Survey of Hours and Earnings, 2025. Published 23 October 2025.
- **House price to pay: 6.2×** (2025). A home in Gwynedd costs 6.2 times local full-time pay. Joint 107th most affordable of 348. Source: Worked out by Open Index from the UK House Price Index and the ONS earnings survey. Published 21 October 2026.
- **Population estimate: 120,295** (2025). Gwynedd’s population was an estimated 120,295 in mid-2025 (ONS population estimates). Down 0.3% in a year. Source: Mid-year population estimates, 2025. Published 1 October 2026.

## About

- Type: Postcode sector
- Live postcodes: 185
- Councils: [Gwynedd](https://openindex.co.uk/gwynedd)
- : [Powys](https://openindex.co.uk/powys)
- Centre: 52.6574, -3.7926

Council: [Gwynedd](https://openindex.co.uk/gwynedd) (Welsh council, 77%).

## Councils

- [Gwynedd](https://openindex.co.uk/gwynedd): 142 postcodes
- [Powys](https://openindex.co.uk/powys): 43 postcodes

## Your MP

- [Dwyfor Meirionnydd](https://openindex.co.uk/constituency/dwyfor-meirionnydd): Liz Saville Roberts (Plaid Cymru), MP since July 2024. 77% of the people here.
- [Montgomeryshire and Glyndŵr](https://openindex.co.uk/constituency/montgomeryshire-and-glyndwr): Steve Witherden (Labour), MP since July 2024. 23% of the people here.

As of 18 October 2026. Contains Parliamentary information licensed under the Open Parliament Licence v3.0. Source: UK Parliament, Members API.

## Postcodes in SY20 9

[SY20 9AA](https://openindex.co.uk/postcode/sy20-9aa), [SY20 9AB](https://openindex.co.uk/postcode/sy20-9ab), [SY20 9AD](https://openindex.co.uk/postcode/sy20-9ad), [SY20 9AE](https://openindex.co.uk/postcode/sy20-9ae), [SY20 9AF](https://openindex.co.uk/postcode/sy20-9af), [SY20 9AG](https://openindex.co.uk/postcode/sy20-9ag), [SY20 9AH](https://openindex.co.uk/postcode/sy20-9ah), [SY20 9AJ](https://openindex.co.uk/postcode/sy20-9aj), [SY20 9AQ](https://openindex.co.uk/postcode/sy20-9aq), [SY20 9AR](https://openindex.co.uk/postcode/sy20-9ar), [SY20 9AS](https://openindex.co.uk/postcode/sy20-9as), [SY20 9AT](https://openindex.co.uk/postcode/sy20-9at), [SY20 9AU](https://openindex.co.uk/postcode/sy20-9au), [SY20 9AX](https://openindex.co.uk/postcode/sy20-9ax), [SY20 9AY](https://openindex.co.uk/postcode/sy20-9ay), [SY20 9AZ](https://openindex.co.uk/postcode/sy20-9az), [SY20 9BE](https://openindex.co.uk/postcode/sy20-9be), [SY20 9BG](https://openindex.co.uk/postcode/sy20-9bg), [SY20 9BH](https://openindex.co.uk/postcode/sy20-9bh), [SY20 9BJ](https://openindex.co.uk/postcode/sy20-9bj), [SY20 9BL](https://openindex.co.uk/postcode/sy20-9bl), [SY20 9BN](https://openindex.co.uk/postcode/sy20-9bn), [SY20 9BP](https://openindex.co.uk/postcode/sy20-9bp), [SY20 9BQ](https://openindex.co.uk/postcode/sy20-9bq), [SY20 9BS](https://openindex.co.uk/postcode/sy20-9bs), [SY20 9BT](https://openindex.co.uk/postcode/sy20-9bt), [SY20 9BU](https://openindex.co.uk/postcode/sy20-9bu), [SY20 9BW](https://openindex.co.uk/postcode/sy20-9bw), [SY20 9BX](https://openindex.co.uk/postcode/sy20-9bx), [SY20 9BY](https://openindex.co.uk/postcode/sy20-9by), [SY20 9BZ](https://openindex.co.uk/postcode/sy20-9bz), [SY20 9DA](https://openindex.co.uk/postcode/sy20-9da), [SY20 9DB](https://openindex.co.uk/postcode/sy20-9db), [SY20 9DH](https://openindex.co.uk/postcode/sy20-9dh), [SY20 9DJ](https://openindex.co.uk/postcode/sy20-9dj), [SY20 9DL](https://openindex.co.uk/postcode/sy20-9dl), [SY20 9DP](https://openindex.co.uk/postcode/sy20-9dp), [SY20 9DR](https://openindex.co.uk/postcode/sy20-9dr), [SY20 9DS](https://openindex.co.uk/postcode/sy20-9ds), [SY20 9DT](https://openindex.co.uk/postcode/sy20-9dt), [SY20 9DU](https://openindex.co.uk/postcode/sy20-9du), [SY20 9DW](https://openindex.co.uk/postcode/sy20-9dw), [SY20 9DX](https://openindex.co.uk/postcode/sy20-9dx), [SY20 9DY](https://openindex.co.uk/postcode/sy20-9dy), [SY20 9DZ](https://openindex.co.uk/postcode/sy20-9dz), [SY20 9EE](https://openindex.co.uk/postcode/sy20-9ee), [SY20 9EF](https://openindex.co.uk/postcode/sy20-9ef), [SY20 9EJ](https://openindex.co.uk/postcode/sy20-9ej), [SY20 9EL](https://openindex.co.uk/postcode/sy20-9el), [SY20 9EN](https://openindex.co.uk/postcode/sy20-9en), [SY20 9EP](https://openindex.co.uk/postcode/sy20-9ep), [SY20 9EW](https://openindex.co.uk/postcode/sy20-9ew), [SY20 9EX](https://openindex.co.uk/postcode/sy20-9ex), [SY20 9EY](https://openindex.co.uk/postcode/sy20-9ey), [SY20 9EZ](https://openindex.co.uk/postcode/sy20-9ez), [SY20 9HA](https://openindex.co.uk/postcode/sy20-9ha), [SY20 9HB](https://openindex.co.uk/postcode/sy20-9hb), [SY20 9HD](https://openindex.co.uk/postcode/sy20-9hd), [SY20 9HE](https://openindex.co.uk/postcode/sy20-9he), [SY20 9HJ](https://openindex.co.uk/postcode/sy20-9hj), [SY20 9HN](https://openindex.co.uk/postcode/sy20-9hn), [SY20 9HP](https://openindex.co.uk/postcode/sy20-9hp), [SY20 9HR](https://openindex.co.uk/postcode/sy20-9hr), [SY20 9HS](https://openindex.co.uk/postcode/sy20-9hs), [SY20 9HW](https://openindex.co.uk/postcode/sy20-9hw), [SY20 9JA](https://openindex.co.uk/postcode/sy20-9ja), [SY20 9JB](https://openindex.co.uk/postcode/sy20-9jb), [SY20 9JD](https://openindex.co.uk/postcode/sy20-9jd), [SY20 9JE](https://openindex.co.uk/postcode/sy20-9je), [SY20 9JF](https://openindex.co.uk/postcode/sy20-9jf), [SY20 9JG](https://openindex.co.uk/postcode/sy20-9jg), [SY20 9JH](https://openindex.co.uk/postcode/sy20-9jh), [SY20 9JJ](https://openindex.co.uk/postcode/sy20-9jj), [SY20 9JP](https://openindex.co.uk/postcode/sy20-9jp), [SY20 9JQ](https://openindex.co.uk/postcode/sy20-9jq), [SY20 9JR](https://openindex.co.uk/postcode/sy20-9jr), [SY20 9JS](https://openindex.co.uk/postcode/sy20-9js), [SY20 9JT](https://openindex.co.uk/postcode/sy20-9jt), [SY20 9JU](https://openindex.co.uk/postcode/sy20-9ju), [SY20 9JX](https://openindex.co.uk/postcode/sy20-9jx), [SY20 9JY](https://openindex.co.uk/postcode/sy20-9jy), [SY20 9JZ](https://openindex.co.uk/postcode/sy20-9jz), [SY20 9LA](https://openindex.co.uk/postcode/sy20-9la), [SY20 9LB](https://openindex.co.uk/postcode/sy20-9lb), [SY20 9LD](https://openindex.co.uk/postcode/sy20-9ld), [SY20 9LE](https://openindex.co.uk/postcode/sy20-9le), [SY20 9LF](https://openindex.co.uk/postcode/sy20-9lf), [SY20 9LG](https://openindex.co.uk/postcode/sy20-9lg), [SY20 9LL](https://openindex.co.uk/postcode/sy20-9ll), [SY20 9LN](https://openindex.co.uk/postcode/sy20-9ln), [SY20 9LP](https://openindex.co.uk/postcode/sy20-9lp), [SY20 9LR](https://openindex.co.uk/postcode/sy20-9lr), [SY20 9LS](https://openindex.co.uk/postcode/sy20-9ls), [SY20 9LT](https://openindex.co.uk/postcode/sy20-9lt), [SY20 9LU](https://openindex.co.uk/postcode/sy20-9lu), [SY20 9LW](https://openindex.co.uk/postcode/sy20-9lw), [SY20 9LX](https://openindex.co.uk/postcode/sy20-9lx), [SY20 9ND](https://openindex.co.uk/postcode/sy20-9nd), [SY20 9NE](https://openindex.co.uk/postcode/sy20-9ne), [SY20 9NF](https://openindex.co.uk/postcode/sy20-9nf), [SY20 9NG](https://openindex.co.uk/postcode/sy20-9ng), [SY20 9NH](https://openindex.co.uk/postcode/sy20-9nh), [SY20 9NJ](https://openindex.co.uk/postcode/sy20-9nj), [SY20 9NL](https://openindex.co.uk/postcode/sy20-9nl), [SY20 9NQ](https://openindex.co.uk/postcode/sy20-9nq), [SY20 9NT](https://openindex.co.uk/postcode/sy20-9nt), [SY20 9NU](https://openindex.co.uk/postcode/sy20-9nu), [SY20 9NX](https://openindex.co.uk/postcode/sy20-9nx), [SY20 9NY](https://openindex.co.uk/postcode/sy20-9ny), [SY20 9NZ](https://openindex.co.uk/postcode/sy20-9nz), [SY20 9PA](https://openindex.co.uk/postcode/sy20-9pa), [SY20 9PB](https://openindex.co.uk/postcode/sy20-9pb), [SY20 9PD](https://openindex.co.uk/postcode/sy20-9pd), [SY20 9PE](https://openindex.co.uk/postcode/sy20-9pe), [SY20 9PF](https://openindex.co.uk/postcode/sy20-9pf), [SY20 9PL](https://openindex.co.uk/postcode/sy20-9pl), [SY20 9PN](https://openindex.co.uk/postcode/sy20-9pn), [SY20 9PP](https://openindex.co.uk/postcode/sy20-9pp), [SY20 9PR](https://openindex.co.uk/postcode/sy20-9pr), [SY20 9PS](https://openindex.co.uk/postcode/sy20-9ps), [SY20 9PT](https://openindex.co.uk/postcode/sy20-9pt), [SY20 9PU](https://openindex.co.uk/postcode/sy20-9pu), [SY20 9PW](https://openindex.co.uk/postcode/sy20-9pw), [SY20 9PX](https://openindex.co.uk/postcode/sy20-9px), [SY20 9PY](https://openindex.co.uk/postcode/sy20-9py), [SY20 9PZ](https://openindex.co.uk/postcode/sy20-9pz), [SY20 9QA](https://openindex.co.uk/postcode/sy20-9qa), [SY20 9QG](https://openindex.co.uk/postcode/sy20-9qg), [SY20 9QH](https://openindex.co.uk/postcode/sy20-9qh), [SY20 9QJ](https://openindex.co.uk/postcode/sy20-9qj), [SY20 9QL](https://openindex.co.uk/postcode/sy20-9ql), [SY20 9QN](https://openindex.co.uk/postcode/sy20-9qn), [SY20 9QP](https://openindex.co.uk/postcode/sy20-9qp), [SY20 9QW](https://openindex.co.uk/postcode/sy20-9qw), [SY20 9QY](https://openindex.co.uk/postcode/sy20-9qy), [SY20 9QZ](https://openindex.co.uk/postcode/sy20-9qz), [SY20 9RA](https://openindex.co.uk/postcode/sy20-9ra), [SY20 9RB](https://openindex.co.uk/postcode/sy20-9rb), [SY20 9RD](https://openindex.co.uk/postcode/sy20-9rd), [SY20 9RE](https://openindex.co.uk/postcode/sy20-9re), [SY20 9RF](https://openindex.co.uk/postcode/sy20-9rf), [SY20 9RG](https://openindex.co.uk/postcode/sy20-9rg), [SY20 9RH](https://openindex.co.uk/postcode/sy20-9rh), [SY20 9RJ](https://openindex.co.uk/postcode/sy20-9rj), [SY20 9RL](https://openindex.co.uk/postcode/sy20-9rl), [SY20 9RN](https://openindex.co.uk/postcode/sy20-9rn), [SY20 9RP](https://openindex.co.uk/postcode/sy20-9rp), [SY20 9RQ](https://openindex.co.uk/postcode/sy20-9rq), [SY20 9RR](https://openindex.co.uk/postcode/sy20-9rr), [SY20 9RS](https://openindex.co.uk/postcode/sy20-9rs), [SY20 9RT](https://openindex.co.uk/postcode/sy20-9rt), [SY20 9RU](https://openindex.co.uk/postcode/sy20-9ru), [SY20 9RW](https://openindex.co.uk/postcode/sy20-9rw), [SY20 9RX](https://openindex.co.uk/postcode/sy20-9rx), [SY20 9RY](https://openindex.co.uk/postcode/sy20-9ry), [SY20 9RZ](https://openindex.co.uk/postcode/sy20-9rz), [SY20 9SA](https://openindex.co.uk/postcode/sy20-9sa), [SY20 9SB](https://openindex.co.uk/postcode/sy20-9sb), [SY20 9SD](https://openindex.co.uk/postcode/sy20-9sd), [SY20 9SH](https://openindex.co.uk/postcode/sy20-9sh), [SY20 9SJ](https://openindex.co.uk/postcode/sy20-9sj), [SY20 9SL](https://openindex.co.uk/postcode/sy20-9sl), [SY20 9SN](https://openindex.co.uk/postcode/sy20-9sn), [SY20 9SP](https://openindex.co.uk/postcode/sy20-9sp), [SY20 9SR](https://openindex.co.uk/postcode/sy20-9sr), [SY20 9SS](https://openindex.co.uk/postcode/sy20-9ss), [SY20 9SU](https://openindex.co.uk/postcode/sy20-9su), [SY20 9SW](https://openindex.co.uk/postcode/sy20-9sw), [SY20 9SX](https://openindex.co.uk/postcode/sy20-9sx), [SY20 9SY](https://openindex.co.uk/postcode/sy20-9sy), [SY20 9SZ](https://openindex.co.uk/postcode/sy20-9sz), [SY20 9TA](https://openindex.co.uk/postcode/sy20-9ta), [SY20 9TB](https://openindex.co.uk/postcode/sy20-9tb), [SY20 9TD](https://openindex.co.uk/postcode/sy20-9td), [SY20 9TE](https://openindex.co.uk/postcode/sy20-9te), [SY20 9TF](https://openindex.co.uk/postcode/sy20-9tf), [SY20 9TG](https://openindex.co.uk/postcode/sy20-9tg), [SY20 9TH](https://openindex.co.uk/postcode/sy20-9th), [SY20 9TJ](https://openindex.co.uk/postcode/sy20-9tj), [SY20 9TL](https://openindex.co.uk/postcode/sy20-9tl), [SY20 9TN](https://openindex.co.uk/postcode/sy20-9tn), [SY20 9TQ](https://openindex.co.uk/postcode/sy20-9tq), [SY20 9TS](https://openindex.co.uk/postcode/sy20-9ts), [SY20 9TT](https://openindex.co.uk/postcode/sy20-9tt), [SY20 9TW](https://openindex.co.uk/postcode/sy20-9tw)

## How to cite

Source: Open Index, openindex.co.uk. Link to this page, https://openindex.co.uk/postcode/sy20-9.

Open Index's own text and the figures it works out are licensed under CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/). Source data keeps its publishers' licences, named with each figure. Give each figure's period and source with it.

Snapshot 2026.10.9. The HTML page: https://openindex.co.uk/postcode/sy20-9