Postcode insights

LL40 1DU

Islwyn Terrace

Gogledd Dolgellau

Interactive map showing LL40 1DU and surrounding area

Detailed insights for LL40 1DU

Overview

Postcode LL40 1DU is located in a rural town, within the Gogledd Dolgellau ward of Gwynedd in the Wales region, and forms part of the Barmouth & Dolgellau area. It has low deprivation and average crime levels, with around 60.9 crimes per 1,000 residents per year, about 29% below the Wales average of 86 per 1,000. The average income per household in Barmouth & Dolgellau is £40,952 per year. The nearest station is Morfa Mawddach, about 6.6 miles away. There are no primary and no secondary schools in the area. There is 1 park nearby, the closest small park is Dolgellau Park.

Crime rate
6/10
Crimes per 1k residents
61
Deprivation level
4/10
Income level
3/10
Social housing
6.9%
Connectivity
N/A
Flood Risk
N/A
Noise Level
No noise

Deprivation level

4/10

Barmouth & Dolgellau has a low level of deprivation, ranked at position 1,222 out of 32,844 areas in the United Kingdom, placing it within the top 4% most deprived areas in Wales.

Crime level

6/10

Barmouth & Dolgellau has an average crime rate, with approximately 60.9 reported incidents per 1,000 population each year.

Social housing

6.9%

Approximately 6.9% of homes on this street are social housing provided by a local council or housing association. Across the surrounding area, around 15.7% of dwellings are socially rented.

Income level

3/10

The average income per household in Barmouth & Dolgellau is £40,952 per year.

Noise Level

No noise

No significant noise sources from railways or roads near LL40 1DU.

Transport

The nearest station is Morfa Mawddach located about 6.6 miles away. There are no other stations nearby.

Parks

Nearby parks and green spaces for LL40 1DU
DistanceNameSizeDirections
0.2 miDolgellau ParkSmallWalking directions to Dolgellau Park

Area Profile

Population
239
Population density
1,420.1 per km²

Crime

Crime per 1,000 population

Violence and sexual offences
30.46(-10%)
Anti-social behaviour
27.92(+115%)
Shoplifting
18.61(+189%)
Other theft
9.31(+103%)
Criminal damage and arson
7.61(+4%)
Wales average

Demographics

Ethnic groups

British
227
95.38%
Other White
5
2.1%
White and Black Caribbean (mixed)
2
0.84%
Irish
2
0.84%
Other Asian
1
0.42%
Total population: 238

Economics

Education (age 16+)

Level 4+ (Degree)
86
41.95%
Level 3 (A level)
37
18.05%
Level 2 (GCSEs 9-4)
36
17.56%
No qualifications
19
9.27%
Level 1 (GCSEs 3-1)
15
7.32%
Total 16+ residents: 205

Housing

Housing tenure

Owns outright
48
36.92%
Private landlord or letting agency
37
28.46%
Owns with a mortgage
32
24.62%
Other social rented
5
3.85%
Social rents from council
4
3.08%
Total households: 130

Property prices in Gogledd Dolgellau

Median price£176,500
Price per sq ft£176
Sales (last 12 months)21
Typical range (middle 50%)£145K – £260K

Based on 21 recent sales, the median property price is £176,500 (about £176 per square foot) in Gogledd Dolgellau area, with individual transactions ranging from £59,000 up to £345,000.

Prices by property typelast 12 months

Median sale price, median price per square foot, sales count, and percentile information for each property type in Gogledd Dolgellau over the last year.
TypeSalesMedian£/sq ft
Semi-Detached2£280,000£227
Detached7£260,000£152
Terraced7£155,000£179
Flats5£107,000£168

10-year price trendmedian sale price in Gogledd Dolgellau

Sale price

Ten year median sale price trend for each property type in Gogledd Dolgellau.
YearDetachedFlatsSemi-DetachedTerraced
2016£119,000£52,500£86,000£88,750
2017£249,000£152,500£90,000
2018£223,500£107,750£171,125£130,500
2019£225,000£80,000£189,950£122,500
2020£251,300£142,500£113,000£96,750
2021£265,000£155,000£192,000£131,000
2022£261,000£105,000£255,000£140,000
2023£324,000£124,000£450,000£184,000
2024£400,000£133,500£160,000£147,500
2025£277,500£105,750£280,000£158,000
2026£265,000£121,750£154,498
Ten year median sale price trend for each property type in Gogledd Dolgellau.

Price per sq ft

Ten year median sale price per square foot trend for each property type in Gogledd Dolgellau.
YearDetachedFlatsSemi-DetachedTerraced
2016£161£98£109£178
2017£176£158£162
2018£176£136£199£126
2019£184£122£174£141
2020£178£210£124£131
2021£196£187£235£172
2022£217£212£280£231
2023£247£162£194£188
2024£267£214£218£172
2025£143£168£245£183
2026£162£84£175
Ten year median sale price per square foot trend for each property type in Gogledd Dolgellau.

Price distribution by property typelast 12 months

Price distribution by property type for Gogledd Dolgellau in the last year.

Recent sales

There were 37 recent sold properties in the last 18 months near LL40 1DU.

Recent sold properties in the last 18 months near LL40 1DU
DateAddressTypeTenurePriceMap
06 Jun 2025Glan Wnion, Lombard Street, Dolgellau, LL40 1EGTerracedFreehold£85,000
25 Mar 2025Hendre, Well Street, Dolgellau, LL40 1DYTerracedFreehold£158,000
21 Apr 20263, Cader Road, Dolgellau, LL40 1RHDetachedFreehold£165,000
30 Mar 2026Flat 11, Golden Lion, Lion Street, Dolgellau, LL40 1DNFlatsLeasehold£67,000
19 Dec 2025Flat 1, Golden Lion, Lion Street, Dolgellau, LL40 1DNFlatsLeasehold£107,000

Schools

In the LL40 1DU postcode area, located within Barmouth & Dolgellau, there are 0 primary and 0 secondary schools in close proximity.

Nearby primary and secondary schools for LL40 1DU
DistancePhaseNameTypeRating
0.3 miNot applicableYsgol Bro IdrisWelsh establishment

N/A

Local amenities

4 nearby supermarkets & convenience stores within mi of LL40 1DU

Nearby supermarkets & convenience stores for LL40 1DU
DistanceNameAddressDirections
0.1 miSparPlas Yn Dref, Dolgellau, LL40 1ADWalking directions to Spar
0.2 miThe Co-operative Food14 Maes Talaran, Dolgellau, LL40 1HRWalking directions to The Co-operative Food
0.3 miSpar ExpressFfordd y Bala, Dolgellau, LL40 2YEWalking directions to Spar Express
0.3 miEurosparBala Road, Dolgellau, LL40 2YFWalking directions to Eurospar

Local councillor and member of parliament

Elected local representatives for LL40 1DU, including ward councillors and the local member of parliament.

Local councillors

Dyfrig Lewis Siencyn

Gogledd Dolgellau - Elected 5 May 2022

Plaid Cymru - The Party of Wales

Member of parliament

Liz Saville Roberts

Dwyfor Meirionnydd - Elected 4 Jul 2024

Plaid Cymru - The Party of Wales

Geographic Information

RegionWalesUKL
DistrictGwyneddW06000002
Parliamentary ConstituencyDwyfor MeirionnyddW07000096
WardGogledd DolgellauW05001537
ParishDolgellauW04000061
MSOA (Middle Layer Super Output Area)Barmouth & DolgellauW02000025
LSOA (Lower Layer Super Output Area)Gwynedd 016DW01000067
Police ForceNorth Wales
Postcode Introduced1980-01-01

Frequently asked questions about LL40 1DU

Is LL40 1DU (Barmouth & Dolgellau) safe?

The area around LL40 1DU records about 61 crimes per 1,000 residents per year, which is a average crime rate for England: it scores 6 out of 10 on the Area360 crime scale, where 10 is the highest crime level. Across Wales as a whole the rate is about 86 per 1,000. The most common offences locally are violence and sexual offences, anti-social behaviour and criminal damage and arson.

What is the average house price near LL40 1DU?

The median sale price around LL40 1DU in Barmouth & Dolgellau is £176,500 (about £176 per square foot) based on 21 registered sales according to HM Land Registry data.

What schools are near LL40 1DU?

There is 1 school close to LL40 1DU, including Ysgol Bro Idris. Ratings are from the latest Ofsted inspections.

How deprived is the area around LL40 1DU?

LL40 1DU scores 4 out of 10 on the deprivation scale, where 10 is the most deprived. Its neighbourhood ranks 1,222 of 32,844 in England on the official Index of Multiple Deprivation (rank 1 is the most deprived).

Who represents LL40 1DU (Barmouth & Dolgellau) in Parliament and on the local council?

The Member of Parliament for Dwyfor Meirionnydd covering LL40 1DU is Liz Saville Roberts (Plaid Cymru - The Party of Wales), elected at the 2024 general election. The area is represented by 1 local councillor: Dyfrig Lewis Siencyn (Plaid Cymru - The Party of Wales).

Data Sources

All data is sourced from official UK government agencies and public datasets. Last updated: 16/07/2026. Read more about how our statistics are calculated.