18 St Gowan Avenue, Cardiff, CF14 4JX is a freehold detached property built between 1930-1949. The property offers approximately 1,076 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 £422,061 , which equates to approximately £392 per square foot. It was last sold on 31 Mar 2025 for £420,000. Since then, the value has increased by £2,061, representing a 0.5% increase, or approximately 0.7% per year.

The current estimated value of £422,061 is:

  • 10.8% lower than the average property price on St Gowan Avenue
  • 10.2% lower than the average in the CF14 4JX postcode area
  • and 25.2% higher than the average price for Cardiff as a whole

At the most recent EPC inspection on 20 January 2025, the property was recorded as owner-occupied.

View sold house prices in CF14 4JX

Building approximate location

About Property

Type
Semi-Detached House
Built
1930-1949
Interior Size
1076 sq ft
Tenure
Freehold
Price (estimate)
£422,061
Price Per sq ft (estimate)
£392
Bedroom Count (estimate)
4 bedrooms

EPC Summary

18 St Gowan Avenue, Cardiff, CF14 4JX has an Energy Performance Certificate (EPC) rating of D, based on the latest assessment carried out on 20 Jan 2025.

This property uses a gas-fired boiler and radiators, connected to the mains gas supply, as its main heating source. Hot water is provided from main heating system. The windows are fully double glazed.

The previous EPC assessment was conducted on 11 Dec 2009, when the property was rated E. Since then, the rating has improved to D, with the energy efficiency score increasing by 66.7%.

Since the previous assessment, several changes were observed:

  • The roof construction or insulation changed from pitched, no insulation (assumed) to pitched, 250 mm loft insulation, improving energy efficiency from very poor to good.
  • The windows were upgraded from mostly double glazing to fully double glazed.
  • The lighting was changed from low energy lighting in all fixed outlets to low energy lighting in 90% of fixed outlets, with no change in efficiency (very good).
Heating Type
Boiler and radiators, mains gas
Good
Hot Water
From main system
Good
Roof
Pitched, 250 mm loft insulation
Good
Walls
Cavity wall, as built, no insulation (assumed)
Poor
Windows
Fully double glazed
Average
Lighting
Low energy lighting in 90% of fixed outlets
Very Good

Compared to CF14 4JX

31 st / 32
Price Rank
10% lower than average
18 th / 22
Size Rank
10% smaller than average
13 th / 22
Price Per Sq FT Rank
0% same as average

Compared to other properties in CF14 4JX , this house's estimated value ranks 31th out of 32. Based on price per square foot, it ranks 13th out of 22 properties. In terms of size, this home ranks 18th out of 22 properties in its postcode area.

Sale History

Today
£422,061
streetscan.co.uk estimate
+0 %
31 Mar 2025
£420,000
Leasehold
+140 %
20 Mar 2003
£175,000
Leasehold

Area Insights

Nearby Properties

rooms: 5
size: 1066 sq ft
sale price: £360,000
sale date: 20 Oct 2017
rooms: 5
size: 1055 sq ft
sale price: £270,000
sale date: 24 Jun 2014
rooms: 5
size: 1111 sq ft
sale price: £249,950
sale date: 20 Apr 2011
rooms: 6
size: 1087 sq ft
sale price: £144,500
sale date: 11 Feb 2002
rooms: 5
size: 1086 sq ft
sale price: £320,000
sale date: 22 Jun 2018

Data Sources

The property at 18 St Gowan Avenue, Cardiff, CF14 4JX appears two times in the Land Registry records, with the latest transaction recorded on 31 Mar 2025. It also has two Energy Performance Certificates (EPC) entries, the earliest dating back to 20 Jan 2025. We use this data, to estimate the property's characteristics and current market value.

This website uses public sector information from:

These datasets are licensed under the Open Government Licence v3.0.
This website is not affiliated with or endorsed by HM Land Registry or DLUHC.


Disclaimer: StreetScan.co.uk makes all reasonable efforts to ensure the information provided on this website is current and accurate; however, no warranties or representations are made as to its completeness or accuracy. StreetScan.co.uk expressly disclaims any and all liability for any loss, damage, or expense arising directly or indirectly from the use of, or reliance upon, such information.