HM Land Registry records the plot of land for 19, Napier Street, Caerphilly as measuring 174 m².

That makes it the 2nd largest plot in the postcode, where 14 of the 16 other houses have recorded plot data.

19, Napier Street, Caerphilly has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 06 Mar 2026.

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 19, Napier Street, Caerphilly completed on 15th August 2011 at £115,000 and was recorded by HM Land Registry as a freehold house.

Since 1995 the property has sold twice.

Values of comparable properties have risen by 55.5% over the period since August 2011.

• Sold Aug 2011£115,000
• Sold Jun 2005£112,500

Since 2010 100 properties similar to 19, 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 Oct 2025£200,000 | 3 Bed House14, New Row, Caerphilly, CF83 8NS14, New Row, Caerphilly, CF83 8NS
• 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 Dec 2024£197,500 | 3 Bed House19, Wyndham Street, Caerphilly, CF83 8PU19, 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 Nov 2020£165,000 | 3 Bed House4, Alma Street, Caerphilly, CF83 8PT4, Alma Street, Caerphilly, CF83 8PT
• Sold May 2019£114,995 | 3 Bed House10, Wyndham Street, Caerphilly, CF83 8PU10, Wyndham Street, Caerphilly, CF83 8PU
• Sold Mar 2019£185,000 | 3 Bed House9, Commercial Road, Caerphilly, CF83 8NB9, Commercial Road, Caerphilly, CF83 8NB
• Sold Jan 2019£125,000 | 3 Bed House3, Napier Street, Caerphilly, CF83 8PR3, Napier Street, Caerphilly, CF83 8PR
• Sold Jul 2018£108,000 | 3 Bed House17, Napier Street, Caerphilly, CF83 8PR17, Napier Street, Caerphilly, CF83 8PR
• Sold Jun 2018£143,500 | 3 Bed House17, Wyndham Street, Caerphilly, CF83 8PU17, Wyndham Street, Caerphilly, CF83 8PU
• Sold Jun 2018£138,000 | 3 Bed House10, Napier Street, Caerphilly, CF83 8PR10, Napier Street, Caerphilly, CF83 8PR
• Sold Sep 2017£126,500 | 3 Bed House1, Lewis Street, Caerphilly, CF83 8PP1, Lewis Street, Caerphilly, CF83 8PP
• 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 Oct 2010£116,000 | 3 Bed House5, Napier Street, Caerphilly, CF83 8PR5, Napier Street, Caerphilly, CF83 8PR

Of the 16 addresses on Napier Street, Machen, Caerphilly, CF83, 19, Napier Street, Caerphilly comes out as the 11th largest and the 11th most expensive in our analysis of the public data.

It is also £16k 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.