HM Land Registry records the plot of land for 17, Napier Street, Caerphilly as measuring 152 m².

That makes it the 5th largest plot in the postcode, where 14 of the 16 other houses have recorded plot data.

17, Napier Street, Caerphilly has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 26 Mar 2018.

The property is connected to mains gas and has fully double glazed windows. It is heated using a boiler and radiators (mains gas).

The most recent sale of 17, Napier Street, Caerphilly completed on 31st July 2018 at £108,000 and was recorded by HM Land Registry as a freehold house.

Since 1995 this is the property's only sale.

Values of comparable properties have risen by 23.1% over the period since July 2018.

• Sold Jul 2018£108,000

Since 2013 138 properties similar to 17, Napier Street, Caerphilly have sold within a radius of 2.2 kilometres, per the Land Registry and our network of Estate Agents.

The latest, on the 26th November 2025, was 31, Commercial Road, Caerphilly, CF83 8NB, a freehold house which sold for £245,000.

Read more about house prices in CF83.

• 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
• Sold Mar 2025£250,000 | 3 Bed House15, Brynhyfryd Terrace, Caerphilly, CF83 8PZ15, Brynhyfryd Terrace, Caerphilly, CF83 8PZ
• Sold Dec 2024£197,500 | 3 Bed House19, Wyndham Street, Caerphilly, CF83 8PU19, Wyndham Street, Caerphilly, CF83 8PU
• Sold Nov 2023£228,000 | 3 Bed House16, Wyndham Street, Caerphilly, CF83 8PU16, Wyndham Street, Caerphilly, CF83 8PU
• Sold Aug 2023£120,500 | 3 Bed House6, Alma Street, Caerphilly, CF83 8PT6, Alma Street, Caerphilly, CF83 8PT
• Sold Jun 2023£150,000 | 3 Bed House13, Lewis Street, Caerphilly, CF83 8PP13, Lewis Street, Caerphilly, CF83 8PP
• Sold May 2023£235,000 | 3 Bed House10, Church Street, Caerphilly, CF83 8PJ10, Church Street, Caerphilly, CF83 8PJ
• Sold May 2023£215,000 | 3 Bed House12, Lewis Street, Caerphilly, CF83 8PP12, Lewis Street, Caerphilly, CF83 8PP
• Sold Dec 2022£249,999 | 3 Bed House73, Commercial Road, Caerphilly, CF83 8PG73, Commercial Road, Caerphilly, CF83 8PG
• Sold Nov 2021£175,000 | 3 Bed House1, Napier Street, Caerphilly, CF83 8PR1, Napier Street, Caerphilly, CF83 8PR
• Sold Nov 2020£165,000 | 3 Bed House4, Alma Street, Caerphilly, CF83 8PT4, Alma Street, Caerphilly, CF83 8PT
• Sold Feb 2019£180,000 | 3 Bed House2, Wyndham Street, Caerphilly, CF83 8PU2, Wyndham Street, Caerphilly, CF83 8PU
• Sold Jan 2019£125,000 | 3 Bed House3, Napier Street, Caerphilly, CF83 8PR3, Napier Street, Caerphilly, CF83 8PR
• Sold Jun 2018£138,000 | 3 Bed House10, Napier Street, Caerphilly, CF83 8PR10, Napier Street, Caerphilly, CF83 8PR
• Sold Jun 2017£130,000 | 3 Bed House3, Alma Street, Caerphilly, CF83 8PT3, Alma Street, Caerphilly, CF83 8PT
• Sold Dec 2016£114,000 | 3 Bed House5, Alma Street, Caerphilly, CF83 8PT5, Alma Street, Caerphilly, CF83 8PT
• Sold Dec 2013£138,500 | 3 Bed House11, Lewis Street, Caerphilly, CF83 8PP11, Lewis Street, Caerphilly, CF83 8PP

Of the 16 addresses on Napier Street, Machen, Caerphilly, CF83, 17, Napier Street, Caerphilly comes out as the 8th largest and the 8th most expensive in our analysis of the public data.

It is also £4k less expensive than the average property across the CF83 district.

• Crosskeys

  |

  3.0 km away
• Risca & Pontymister

  |

  3.6 km away
• Rogerstone

  |

  5.2 km away

The flood risk here is rated Very Low, based on Environment Agency data.