12 Thomas Street, Holyhead, LL65 1RR is a freehold terraced property built before 1900. The property offers approximately 1,173 square feet of living space. In this location, properties of similar size usually have four bedrooms.

The estimated current market value of the property is £122,239 , which equates to approximately £104 per square foot. It was last sold on 14 May 2021 for £102,000. Since then, the value has increased by £20,239, representing a 19.8% increase, or approximately 3.9% per year.

The current estimated value of £122,239 is:

  • 3.6% lower than the average property price on Thomas Street
  • 2.1% higher than the average in the LL65 1RR postcode area
  • and 34.2% lower than the average price for Holyhead as a whole

Based on EPC inspection history, this property has been mostly owner-occupied (4 out of 4 inspections). This suggests the property has typically been lived in by its owners, which often reflects longer-term residency and more consistent maintenance.

At the most recent EPC inspection on 17 March 2026, the property was recorded as owner-occupied.

View sold house prices in LL65 1RR

Building approximate location

About Property

Type
Terraced House
Built
before 1900
Interior Size
1173 sq ft
Tenure
Freehold
Price (estimate)
£122,239
Price Per sq ft (estimate)
£104
Bedroom Count (estimate)
4 bedrooms

EPC Summary

12 Thomas Street, Holyhead, Isle Of Anglesey, LL65 1RR has an Energy Performance Certificate (EPC) rating of B, based on the latest assessment carried out on 17 Mar 2026.

This property is heated by an air source heat pump and radiators. Hot water is provided from main heating system. The windows are fully double glazed.

The previous EPC assessment was conducted on 25 Sep 2025, when the property was rated E. Since then, the rating has improved to B, with the energy efficiency score increasing by 64%.

Since the previous assessment, several changes were observed:

  • The heating system was upgraded from boiler and radiators, mains gas to air source heat pump, radiators, electric, changing energy efficiency from good to average.
  • The hot water energy efficiency changing from good to average, while the system remained as from main system.
  • The roof construction or insulation changed from pitched, 100 mm loft insulation to pitched, 270 mm loft insulation, improving energy efficiency from average to very good.
  • The wall construction or insulation changed from granite or whin, as built, no insulation (assumed) to granite or whin, with internal insulation, improving energy efficiency from very poor to good.
  • The lighting was updated from below average lighting efficiency to excellent lighting efficiency, with efficiency improving from poor to very good.
Heating Type
Air source heat pump, radiators, electric
Average
Hot Water
From main system
Average
Roof
Pitched, 270 mm loft insulation
Very Good
Walls
Granite or whin, with internal insulation
Good
Windows
Fully double glazed
Poor
Lighting
Excellent lighting efficiency
Very Good

Compared to LL65 1RR

11 th / 26
Price Rank
2% higher than average
3 rd / 22
Size Rank
26% bigger than average
16 th / 22
Price Per Sq FT Rank
19% lower than average

Sale History

Today
£122,239
streetscan.co.uk estimate
+20 %
14 May 2021
£102,000
Freehold
+18.6 %
6 Feb 2015
£86,000
Freehold
+32.3 %
14 Jan 2014
£65,000
Freehold
+106.3 %
14 Sep 2001
£31,500
Freehold

Flood Risk for this Property

Flood risk from rivers and the sea
Very low flood risk
Flood risk from surface water
Very low flood risk
Surface water flood hazard
No mapped risk

* Results are based on Environment Agency flood risk mapping for the property UPRN where available. They are indicative and should not be treated as a site-specific flood survey.

Flood risk from rivers and the sea

This property has very low flood risk from rivers and the sea.

River and sea flooding includes flooding caused by overflowing rivers, estuaries, tidal waters and coastal surges.

Flood risk from surface water

This property has very low surface water flood risk.

Surface water flooding can happen when heavy rainfall overwhelms drains, roads, gardens or other hard surfaces.

Flood depth indicators

Rivers and Sea
  • 0.2m depth No mapped risk
  • 0.3m depth No mapped risk
  • 0.6m depth No mapped risk
  • 0.9m depth No mapped risk
  • 1.2m depth No mapped risk
Surface Water
  • 0.2m depth No mapped risk
  • 0.3m depth No mapped risk
  • 0.6m depth No mapped risk
  • 0.9m depth No mapped risk
  • 1.2m depth No mapped risk

Area Insights

Similar Properties Sold Nearby

rooms: 5
size: 1238 sq ft
sale price: £75,000
sale date: 31 Jan 2018
rooms: 4
size: 1023 sq ft
sale price: £76,500
sale date: 12 Dec 2012
rooms: 4
size: 1324 sq ft
sale price: £120,000
sale date: 13 Sep 2023
rooms: 5
size: 1270 sq ft
sale price: £104,000
sale date: 17 Aug 2018

Data Sources

The property at 12 Thomas Street, Holyhead, LL65 1RR appears four times in HM Land Registry records, with the latest transaction recorded on 14 May 2021. It also has four Energy Performance Certificate (EPC) records, the earliest dating back to 17 Mar 2026. We use this information to estimate the property's characteristics, flood risk profile and current market value.

This website uses public sector information from:

These datasets are licensed under the Open Government Licence v3.0 .

StreetScan.co.uk is not affiliated with, endorsed by, or associated with HM Land Registry, DESNZ, MHCLG, Defra or the Environment Agency.


Disclaimer: StreetScan.co.uk makes all reasonable efforts to ensure that the information provided on this website is current and accurate. However, no warranties or representations are made regarding its completeness, accuracy, suitability or reliability. Property values, flood risk assessments and other derived information are estimates based on publicly available datasets and should not be relied upon as professional, legal, surveying, environmental, financial or insurance advice. StreetScan.co.uk expressly disclaims all liability for any loss, damage, cost or expense arising directly or indirectly from the use of, or reliance upon, information provided on this website.