Flat B 23 Heol Isaf Radyr Cardiff CF15 8AG: house prices, rental estimates & market trends

Our Data Sources

Flat B, 23, Heol Isaf, Cardiff has no records in either the Land Registry or EPC database.

The local information is scored as 1 out of 5 and is considered of low accuracy.

What is an EPC?

What is the Land Registry?

What is the Office of National Statistics?

What is the Ordnance Survey?

Public data including the Land Registry and EPC Register is processed and republished under the

Government Open Data Licence

All values are estimates based on available data. All data and other content are provided subject to our

Terms & Conditions

Properties Sold Nearby

According to the Land Registry and our network of Estate Agents, there have been 1092 property sales within 950 metres of Flat B, 23, Heol Isaf, Cardiff since 2007.

The most recent example is 5, Drysgol Road, Cardiff, CF15 8BT, a freehold house which sold for £495,000 on the 16th January 2026.

Read more about house prices in CF15.

Sold Jan 2026£495,000 | 4 Bed House5, Drysgol Road, Cardiff, CF15 8BT5, Drysgol Road, Cardiff, CF15 8BT
Sold Oct 2025£385,000 | 3 Bed Flat11 The Lodge, Drysgol Road, Cardiff, CF15 8FS11 The Lodge, Drysgol Road, Cardiff, CF15 8FS
Sold Mar 2025£6,000 | 5 Bed House17, Heol Isaf, Cardiff, CF15 8AG17, Heol Isaf, Cardiff, CF15 8AG
Sold Aug 2024£380,000 | 3 Bed Flat10 The Lodge, Drysgol Road, Cardiff, CF15 8FS10 The Lodge, Drysgol Road, Cardiff, CF15 8FS
Sold Dec 2022£365,000 | 3 Bed Flat3 The Lodge, Drysgol Road, Cardiff, CF15 8FS3 The Lodge, Drysgol Road, Cardiff, CF15 8FS
Sold Oct 2021£575,000 | 5 Bed House45, Heol Isaf, Cardiff, CF15 8AH45, Heol Isaf, Cardiff, CF15 8AH
Sold Mar 2021£650,000 | 5 Bed House10, Heol Isaf, Cardiff, CF15 8AL10, Heol Isaf, Cardiff, CF15 8AL
Sold Apr 2020£865,000 | 5 Bed House20, Heol Isaf, Cardiff, CF15 8AL20, Heol Isaf, Cardiff, CF15 8AL
Sold Jan 2020£625,000 | 5 Bed House11, Heol Isaf, Cardiff, CF15 8AF11, Heol Isaf, Cardiff, CF15 8AF
Sold Jan 2019£399,950 | 3 Bed Flat7 The Lodge, Drysgol Road, Cardiff, CF15 8FS7 The Lodge, Drysgol Road, Cardiff, CF15 8FS
Sold Aug 2016£500,000 | 5 Bed House37, Heol Isaf, Cardiff, CF15 8AH37, Heol Isaf, Cardiff, CF15 8AH
Sold Jun 2016£340,000 | 3 Bed Flat8 The Lodge, Drysgol Road, Cardiff, CF15 8FS8 The Lodge, Drysgol Road, Cardiff, CF15 8FS
Sold Feb 2015£310,000 | 3 Bed Flat12 The Lodge, Drysgol Road, Cardiff, CF15 8FS12 The Lodge, Drysgol Road, Cardiff, CF15 8FS
Sold Jun 2014£350,000 | 3 Bed Flat2 The Lodge, Drysgol Road, Cardiff, CF15 8FS2 The Lodge, Drysgol Road, Cardiff, CF15 8FS
Sold Apr 2014£285,000 | 3 Bed Flat9 The Lodge, Drysgol Road, Cardiff, CF15 8FS9 The Lodge, Drysgol Road, Cardiff, CF15 8FS
Sold Feb 2014£265,950 | 3 Bed Flat5 The Lodge, Drysgol Road, Cardiff, CF15 8FS5 The Lodge, Drysgol Road, Cardiff, CF15 8FS
Sold Feb 2014£290,000 | 3 Bed Flat1 The Lodge, Drysgol Road, Cardiff, CF15 8FS1 The Lodge, Drysgol Road, Cardiff, CF15 8FS
Sold May 2013£760,000 | 5 Bed House18, Heol Isaf, Cardiff, CF15 8AL18, Heol Isaf, Cardiff, CF15 8AL
Sold Jul 2007£485,000 | 4 Bed House25, Heol Isaf, Cardiff, CF15 8AG25, Heol Isaf, Cardiff, CF15 8AG
Sold Mar 2007£310,000 | 4 Bed House20, Windsor Crescent, Cardiff, CF15 8AE20, Windsor Crescent, Cardiff, CF15 8AE

Nearby is defined as the radius comprising the nearest 2,000 addresses.

What is comparable analysis?

House prices in my street

Source: HM Land Registry (July 2026)

Explore Nearby Properties

The surrounding properties have an average estimated value of £951,171, ranging from £612,081 to £1,179,124.

25 Heol Isaf
4 Bed House | 11 m | Est. Value: £846,740
27 Heol Isaf
5 Bed House | 16 m | Est. Value: £1,078,818
31 Heol Isaf
5 Bed House | 41 m | Est. Value: £1,179,124
10 Heol Isaf
5 Bed House | 52 m | Est. Value: £790,725
17 Heol Isaf
5 Bed House | 52 m | Est. Value: £1,176,249
26 Windsor Crescent
5 Bed House | 64 m | Est. Value: £612,081
18 Heol Isaf
5 Bed House | 76 m | Est. Value: £974,458

Schools Nearby

Schools and house prices

Source: Ofsted 2026

Public Transport Nearby

Radyr
|
300 m away
Coryton
|
1.5 km away
Llandaf
|
1.9 km away

Available Internet Speeds

According to recent data from Ofcom, Ultrafast Broadband is available in this area.

Ultrafast

12.79 mbps

Max upload

350 mbps

Max download

According to recent data from Ofcom, Ultrafast Broadband available in this area.

Max Upload

12.79 mbps

Max Download

350 mbps

Source: Ofcom (July 2026)

Risk of Flooding

According to data from the Environment Agency, the flood risk in this area is considered to be Very Low.

Very Low floodriskin this area

Local Flood RiskVery Low

Source: Environment Agency (2024)

Our Data Sources

Flat B, 23, Heol Isaf, Cardiff has no records in either the Land Registry or EPC database.

The local information is scored as 1 out of 5 and is considered of low accuracy.

What is an EPC?

What is the Land Registry?

What is the Office of National Statistics?

What is the Ordnance Survey?

Public data including the Land Registry and EPC Register is processed and republished under the

Government Open Data Licence

All values are estimates based on available data. All data and other content are provided subject to our

Terms & Conditions

Properties Sold Nearby

According to the Land Registry and our network of Estate Agents, there have been 1092 property sales within 950 metres of Flat B, 23, Heol Isaf, Cardiff since 2007.

The most recent example is 5, Drysgol Road, Cardiff, CF15 8BT, a freehold house which sold for £495,000 on the 16th January 2026.

Read more about house prices in CF15.

Sold Jan 2026£495,000 | 4 Bed House5, Drysgol Road, Cardiff, CF15 8BT5, Drysgol Road, Cardiff, CF15 8BT
Sold Oct 2025£385,000 | 3 Bed Flat11 The Lodge, Drysgol Road, Cardiff, CF15 8FS11 The Lodge, Drysgol Road, Cardiff, CF15 8FS
Sold Mar 2025£6,000 | 5 Bed House17, Heol Isaf, Cardiff, CF15 8AG17, Heol Isaf, Cardiff, CF15 8AG
Sold Aug 2024£380,000 | 3 Bed Flat10 The Lodge, Drysgol Road, Cardiff, CF15 8FS10 The Lodge, Drysgol Road, Cardiff, CF15 8FS
Sold Dec 2022£365,000 | 3 Bed Flat3 The Lodge, Drysgol Road, Cardiff, CF15 8FS3 The Lodge, Drysgol Road, Cardiff, CF15 8FS
Sold Oct 2021£575,000 | 5 Bed House45, Heol Isaf, Cardiff, CF15 8AH45, Heol Isaf, Cardiff, CF15 8AH
Sold Mar 2021£650,000 | 5 Bed House10, Heol Isaf, Cardiff, CF15 8AL10, Heol Isaf, Cardiff, CF15 8AL
Sold Apr 2020£865,000 | 5 Bed House20, Heol Isaf, Cardiff, CF15 8AL20, Heol Isaf, Cardiff, CF15 8AL
Sold Jan 2020£625,000 | 5 Bed House11, Heol Isaf, Cardiff, CF15 8AF11, Heol Isaf, Cardiff, CF15 8AF
Sold Jan 2019£399,950 | 3 Bed Flat7 The Lodge, Drysgol Road, Cardiff, CF15 8FS7 The Lodge, Drysgol Road, Cardiff, CF15 8FS
Sold Aug 2016£500,000 | 5 Bed House37, Heol Isaf, Cardiff, CF15 8AH37, Heol Isaf, Cardiff, CF15 8AH
Sold Jun 2016£340,000 | 3 Bed Flat8 The Lodge, Drysgol Road, Cardiff, CF15 8FS8 The Lodge, Drysgol Road, Cardiff, CF15 8FS
Sold Feb 2015£310,000 | 3 Bed Flat12 The Lodge, Drysgol Road, Cardiff, CF15 8FS12 The Lodge, Drysgol Road, Cardiff, CF15 8FS
Sold Jun 2014£350,000 | 3 Bed Flat2 The Lodge, Drysgol Road, Cardiff, CF15 8FS2 The Lodge, Drysgol Road, Cardiff, CF15 8FS
Sold Apr 2014£285,000 | 3 Bed Flat9 The Lodge, Drysgol Road, Cardiff, CF15 8FS9 The Lodge, Drysgol Road, Cardiff, CF15 8FS
Sold Feb 2014£265,950 | 3 Bed Flat5 The Lodge, Drysgol Road, Cardiff, CF15 8FS5 The Lodge, Drysgol Road, Cardiff, CF15 8FS
Sold Feb 2014£290,000 | 3 Bed Flat1 The Lodge, Drysgol Road, Cardiff, CF15 8FS1 The Lodge, Drysgol Road, Cardiff, CF15 8FS
Sold May 2013£760,000 | 5 Bed House18, Heol Isaf, Cardiff, CF15 8AL18, Heol Isaf, Cardiff, CF15 8AL
Sold Jul 2007£485,000 | 4 Bed House25, Heol Isaf, Cardiff, CF15 8AG25, Heol Isaf, Cardiff, CF15 8AG
Sold Mar 2007£310,000 | 4 Bed House20, Windsor Crescent, Cardiff, CF15 8AE20, Windsor Crescent, Cardiff, CF15 8AE

Nearby is defined as the radius comprising the nearest 2,000 addresses.

What is comparable analysis?

House prices in my street

Source: HM Land Registry (July 2026)

Explore Nearby Properties

The surrounding properties have an average estimated value of £951,171, ranging from £612,081 to £1,179,124.

25 Heol Isaf
4 Bed House | 11 m | Est. Value: £846,740
27 Heol Isaf
5 Bed House | 16 m | Est. Value: £1,078,818
31 Heol Isaf
5 Bed House | 41 m | Est. Value: £1,179,124
10 Heol Isaf
5 Bed House | 52 m | Est. Value: £790,725
17 Heol Isaf
5 Bed House | 52 m | Est. Value: £1,176,249
26 Windsor Crescent
5 Bed House | 64 m | Est. Value: £612,081
18 Heol Isaf
5 Bed House | 76 m | Est. Value: £974,458

Schools Nearby

Schools and house prices

Source: Ofsted 2026

Public Transport Nearby

Radyr
|
300 m away
Coryton
|
1.5 km away
Llandaf
|
1.9 km away

Available Internet Speeds

According to recent data from Ofcom, Ultrafast Broadband is available in this area.

Ultrafast

12.79 mbps

Max upload

350 mbps

Max download

According to recent data from Ofcom, Ultrafast Broadband available in this area.

Max Upload

12.79 mbps

Max Download

350 mbps

Source: Ofcom (July 2026)

Risk of Flooding

According to data from the Environment Agency, the flood risk in this area is considered to be Very Low.

Very Low floodriskin this area

Local Flood RiskVery Low

Source: Environment Agency (2024)

Home Ownership Nearby

The recent census recorded whether a resident owned or rented their home.

In the area around Flat B, 23, Heol Isaf, Cardiff, 56.7% of property is privately owned outright and 35.3% is privately owned with a mortgage.

The graph below shows how this compares to Wales and the rest of England & Wales.

This area

Wales

England & Wales

Owned (Outright)

Owned (Mortgage)

Shared ownership

Rented (Social)

Rented (Private)

Source: ONS Census (2021)

Education Levels in the Area

The recent census recorded the highest level of education achieved by residents in the local area.

In the area around Flat B, 23, Heol Isaf, Cardiff, 18.1% of residents are recorded as possessing school level qualifications and 63.8% as possessing degree level qualifications.

The graph below shows how this compares to Wales and the rest of England & Wales.