Our Data Sources
1, Napier Street, Caerphilly has 41 entries in the Land Registry, most recently in November 2021 and a single entry in the EPC database dated July 2015.
We combine this information with that of neighbouring properties to estimate the property attributes and values.
The local information is scored as 4 out of 5 and is considered of high accuracy.
1Sales dated prior to 2007 are shown, but are not used in our calculations.
Price Range & Condition
In very good condition, we estimate 1, Napier Street, Caerphilly would be worth £241,541, with a potential rental value of £1,421 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £213,937, with a rental value of £1,258 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
1, Napier Street, Caerphilly occupies a 188 m2 plot as recorded by HM Land Registry.
Of the 16 other houses in this postcode, 14 have recorded plot sizes, and this one ranks as the largest.
Energy Efficiency
1, Napier Street, Caerphilly has an Energy Performance Rating (EPC) of E. This is based on the most recent assessment, dated 09 Jul 2015.
The property is connected to mains gas and has fully double glazed windows. It is heated using a boiler and radiators (mains gas).
Sold Prices
1, Napier Street, Caerphilly last changed hands on 12th November 2021, selling for £175,000. The transaction was logged as a freehold house by HM Land Registry.
In total it has sold 4 times since 1995.
The market for similar properties has dropped by 0.1% since November 2021.
- Sold Nov 2021£175,000
- Sold May 2007£135,500
- Sold Feb 1996£40,500
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 150 sales of comparable properties within 2.2 kilometres of 1, Napier Street, Caerphilly since 2017.
Most recently, 2, Alma Street, Caerphilly, CF83 8PT, a freehold house, sold at £220,000 on the 17th December 2025.
Read more about house prices in CF83.
- Sold Dec 2025£220,000 | 3 Bed House2, Alma Street, Caerphilly, CF83 8PT2, Alma Street, Caerphilly, CF83 8PT
- Sold Nov 2025£245,000 | 3 Bed House31, Commercial Road, Caerphilly, CF83 8NB31, Commercial Road, Caerphilly, CF83 8NB
- Sold Nov 2025£255,000 | 3 Bed House13, Commercial Road, Caerphilly, CF83 8NB13, Commercial Road, Caerphilly, CF83 8NB
- Sold Jun 2025£207,500 | 3 Bed House7, Napier Street, Caerphilly, CF83 8PR7, Napier Street, Caerphilly, CF83 8PR
- Sold May 2025£240,000 | 3 Bed House10, Lewis Street, Caerphilly, CF83 8PP10, Lewis Street, Caerphilly, CF83 8PP
Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Explore Nearby Properties
The surrounding properties have an average estimated value of £213,589, ranging from £173,007 to £253,953.
- 3 Napier Street
3 Bed House | 6 m | Est. Value: £215,645
- 5 Napier Street
3 Bed House | 12 m | Est. Value: £213,410
- 7 Napier Street
3 Bed House | 17 m | Est. Value: £216,062
- 4 Alma Street
3 Bed House | 20 m | Est. Value: £198,432
- 5 Alma Street
3 Bed House | 20 m | Est. Value: £201,945
Location Comparison
Our analysis of the public data ranks 1, Napier Street, Caerphilly as the 6th largest and the 6th most expensive of the 16 addresses on Napier Street, Machen, Caerphilly, CF83.
Against the CF83 postcode district average, it is £673 less expensive than the typical property.
More reading links
Schools Nearby
Public Transport Nearby
- Crosskeys|3.0 km away
- Risca & Pontymister|3.6 km away
- Rogerstone|5.2 km away
Available Internet Speeds
Ofcom's latest figures show superfast broadband available in this area.
According to recent data from Ofcom, Superfast Broadband available in this area.
Risk of Flooding
Environment Agency data suggests this area has a Very Low risk of flooding.












