SA20 Llanymddyfri / Llandovery, Llanymddyfri, Sir Gaerfyrddin - Carmarthenshire, Rhandirmwyn

Postcode district SA20: 79 named streets and 237 live postcodes, in Carmarthenshire. The median standard sale over the last twelve months was £234,000, from 38 sales to 28 August 2026 (HM Land Registry).

Streets

A40, Llanymddyfri / Llandovery
A40, County of Herefordshire
A40, County of Herefordshire
A40, County of Herefordshire
A4069, Sir Gaerfyrddin - Carmarthenshire
A4069, Llanymddyfri / Llandovery
A483, Llanymddyfri / Llandovery
A483, Powys - Powys
A483, Powys - Powys
Adelaide Street, Llanymddyfri / Llandovery
Argall Avenue, Rhandirmwyn
Brecon Road, Llanymddyfri / Llandovery
Brecon Road, Sir Gaerfyrddin - Carmarthenshire
Brecon Road, Llanymddyfri / Llandovery
Broad Street, Llanymddyfri
Bronhaul, Cynghordy
Castle Street, Llanymddyfri / Llandovery
Church Bank, Llanymddyfri / Llandovery
Church Street, Cilycwm
Cilycwm Road, Llanymddyfri
Clos Dingad, Llanymddyfri
Clos Pantycelyn, Llanymddyfri / Llandovery
Clos Pluguen, Llanymddyfri / Llandovery
Colwg y Coleg, Llanymddyfri
Dingat Close, Llanymddyfri / Llandovery
Dingat Terrace, Llanymddyfri
Dolau Bran, Llanymddyfri / Llandovery
Dolwerdd, Sardis
Fford y Frenhines, Llanymddyfri
Follet Close, Nant-y-Bai
Gelli Deg, Llanymddyfri / Llandovery
Glannant, Myddfai
Golwg Llandingad, Llanymddyfri / Llandovery
Heol Beili-Glas, Sir Gaerfyrddin - Carmarthenshire
Heol Beili-Glas, Sir Gaerfyrddin - Carmarthenshire
Heol Cae-Du, Sir Gaerfyrddin - Carmarthenshire
Heol Cilycwm, Llanymddyfri / Llandovery
Heol Gwernfelen, Sir Gaerfyrddin - Carmarthenshire
Heol Gwernfelen, Sir Gaerfyrddin - Carmarthenshire
Heol Llanfair, Llanymddyfri
Heol Newydd, Llanymddyfri
Heol Pluguffan, Llanymddyfri / Llandovery
Heol Rhos, Sir Gaerfyrddin - Carmarthenshire
Heol Royston, Llanymddyfri / Llandovery
Heol Waunllystir, Sir Gaerfyrddin - Carmarthenshire
Heol y Brenin, Llanymddyfri
Llanfair Road, Llanymddyfri / Llandovery
Llanfair Road, Llanymddyfri / Llandovery
Llys Llanfair, Llanymddyfri / Llandovery
Lon Gwaith Nwy, Llanymddyfri / Llandovery
Lon Rhys Pritchard, Llanymddyfri / Llandovery
Lon yr Ardd, Llanymddyfri
Lower Road, Llanymddyfri / Llandovery
Maes-y-Coleg, Llanymddyfri / Llandovery
Maesglas, Llanymddyfri / Llandovery
Market Square, Llanymddyfri / Llandovery
Nant Ymwyn Terrace, Rhandirmwyn
New Houses, Cilycwm
Orchard Street, Llanymddyfri / Llandovery
Panau Street, Rhandirmwyn
Penygraig Villas, Llangadog
Queen Street, Llanymddyfri
Rhiw Rhydings, Sir Gaerfyrddin - Carmarthenshire
Rhiw Ydw, Sir Gaerfyrddin - Carmarthenshire
Rhodfa Tywi, Llanymddyfri
Rhydwenlais, Cilycwm
School Lane, Llanymddyfri / Llandovery
Siloh, Siloh
Stryd Fawr, Llanymddyfri / Llandovery
Stryd Fawr, Llanymddyfri / Llandovery
Stryd Lydan, Llanymddyfri / Llandovery
Stryd Serrig, Llanymddyfri
Stryd y Bont, Llanymddyfri
Stryd y Dwr, Llanymddyfri
Stryd y Frenhines, Llanymddyfri / Llandovery
Tremcelynog, Nant-y-Bai
Victoria Crescent, Siloh
Victoria Crescent, Llanymddyfri / Llandovery
Victoria Street, Llanymddyfri / Llandovery

Postcodes

Source: ONS Postcode Directory (live postcodes only) and OS Open Linked Identifiers for the streets.