SA66 7SD

Crymych and Mynachlog-ddu · Pembrokeshire · Wales

Updated September 2026

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Location overview

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Post town: Clynderwen
Ward: Crymych and Mynachlog-ddu
Local authority: Pembrokeshire
Constituency: Ceredigion Preseli
Postcode district: SA66
Postcode sector: SA66 7

Nearby postcodes

Nearby postcode distances
Postcode	Distance
SA66 7RX	401 m
SA66 7RY	469 m
SA66 7SN	857 m
SA66 7RU	1.1 km
SA66 7SE	1.4 km

Complete postcode fields and official codes

Postcode: SA66 7SD
Status: Current
Introduced: 1 January 1980
Terminated: Not published
Postcode area: SA
Postcode district: SA66
Postcode sector: SA66 7
Latitude: 51.941440
Longitude: -4.704908
British National Grid easting: 214,174
British National Grid northing: 230,449

Statistical and administrative geographies

Country: Wales · W92000004
Region: W99999999
Local authority district: Pembrokeshire · W06000009
Electoral ward: Crymych and Mynachlog-ddu · W05001440
Parish or community: W04000452
Westminster constituency: Ceredigion Preseli · W07000093
Output area: W00003118
Lower layer super output area: Pembrokeshire 004A · W01000582
Middle layer super output area: Pembrokeshire 004 · W02000129

Postcode source versions

Ordnance Survey: Code-Point Open Version 2026-08 · Current postcode units in Great Britain · OGL-3.0
Office for National Statistics: ONS Postcode Directory Version 2026-08 · United Kingdom; Northern Ireland excluded pending rights review; Crown Dependencies outside product scope · OGL-3.0 with third-party rights
Ordnance Survey: Boundary-Line Version 2026-05 · Local-authority boundaries in Great Britain · OS OpenData Licence

Explore SA66

Property

View all property records

15 recorded sales at this postcode

Address	Date	Price
Ffynnonwen, Mynachlogddu, Clynderwen, SA66 7SD	14 December 2023	£405,000
Yr Hen Lythyrdy, Mynachlogddu, Clynderwen, SA66 7SD	23 June 2023	£300,000
Tycanol, Mynachlogddu, Clynderwen, SA66 7SD	2 September 2022	£270,000

Census 2021

Population and age profile

Postcode residents: 34
Postcode households: 17
Residents per household: 2.0
SA66 7 residents: 3,256

Age bands in SA66 7

Wider postcode sector

Age 0 to 14: 15.8%
Age 15 to 24: 9.8%
Age 25 to 44: 18.1%
Age 45 to 64: 30.5%
Age 65 and over: 25.8%

This postcode contained 1% of the sector's usual residents on Census Day. The age profile describes the wider SA66 7 sector, not people in this individual postcode.

Small counts are adjusted for privacy, so totals can differ slightly between Census tables.

Census Day: 21 March 2021. Sources: ONS/Nomis P001-P004 and ONS CT21_0228. Age table version 2024-04-08.

Fixed broadband coverage

Ofcom's predicted availability across all residential and commercial premises in this postcode in January 2026.

Superfast, 30 Mbit/s+: 100%
Ultrafast, 100 Mbit/s+: 100%
Ultrafast, 300 Mbit/s+: 100%
Gigabit-capable: 100%

Unable to receive decent fixed or FWA broadband: 0%
Next Generation Access: 100%
Decent broadband available from fixed wireless: 94.4%

Predicted coverage, not measured speeds. Check availability for your address with a provider. Postcode-level full-fibre figures are not published in this release.

Source: Ofcom Connected Nations Spring 2026, version 2026-01-v2. Contains Ofcom data licensed under the Open Government Licence v3.0.

Nearby transport

Old Post Office

BCT · Mynachlog-Ddu
0.0 miles
Old Post Office

BCT · Mynachlog-Ddu
0.0 miles
Mynachlog-ddu

BCT · Mynachlog-Ddu
0.1 miles
Rhosfach

BCT · Rhosfach
2.2 miles
Post Office

BCT · Llangolman
2.3 miles

Evidence in context

Property market

The five-year median is £300,000 from 3 recorded sales in SA66 7SD. This is a recorded-sale statistic, not a current valuation.

The latest UK House Price Index average for Pembrokeshire is £210,862 in June 2026, down 4.2% year on year.