HM Land Registry records the plot of land for 18, Heol Sirhowy, Caldicot as measuring 447 m².

That makes it the 3rd largest plot in the postcode, where 30 of the 56 other houses have recorded plot data.

18, Heol Sirhowy, Caldicot has an Energy Performance Rating (EPC) of B. This is based on the most recent assessment, dated 08 Jan 2025.

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 18, Heol Sirhowy, Caldicot completed on 19th December 2012 at £307,000 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 78.2% over the period since December 2012.

• Sold Dec 2012£307,000

Since 2010 22 properties similar to 18, Heol Sirhowy, Caldicot have sold within a radius of 1.0 kilometres, per the Land Registry and our network of Estate Agents.

The latest, on the 8th December 2025, was 54, Clos Ystwyth, Caldicot, NP26 4RE, a freehold house which sold for £475,000.

Read more about house prices in NP26.

• Sold Dec 2025£475,000 | 5 Bed House54, Clos Ystwyth, Caldicot, NP26 4RE54, Clos Ystwyth, Caldicot, NP26 4RE
• Sold Jul 2025£640,000 | 5 Bed House2, Walnut Grove, Caldicot, NP26 5UX2, Walnut Grove, Caldicot, NP26 5UX
• Sold Dec 2024£500,000 | 5 Bed House1, Monks Close, Caldicot, NP26 4LZ1, Monks Close, Caldicot, NP26 4LZ
• Sold Dec 2023£30,000 | 5 Bed HouseRock Cottage, Caldicot, NP26 5BBRock Cottage, Caldicot, NP26 5BB
• Sold Mar 2023£500,000 | 5 Bed House28, Wentwood View, Caldicot, NP26 4QG28, Wentwood View, Caldicot, NP26 4QG
• Sold Jun 2022£520,000 | 5 Bed HouseColbren, Clos Aled, Caldicot, NP26 4JBColbren, Clos Aled, Caldicot, NP26 4JB
• Sold Sep 2021£495,000 | 5 Bed House23, Heol Glaslyn, Caldicot, NP26 4PG23, Heol Glaslyn, Caldicot, NP26 4PG
• Sold Feb 2021£630,000 | 5 Bed House4, Walnut Grove, Caldicot, NP26 5UX4, Walnut Grove, Caldicot, NP26 5UX
• Sold Apr 2020£430,000 | 5 Bed HouseTy-Hafod, Church Road, Caldicot, NP26 4HNTy-Hafod, Church Road, Caldicot, NP26 4HN
• Sold Feb 2018£549,500 | 5 Bed HouseSecunda Barn, Church Road, Caldicot, NP26 4HTSecunda Barn, Church Road, Caldicot, NP26 4HT
• Sold Jan 2018£365,500 | 5 Bed House3, Neddern Way, Caldicot, NP26 4NJ3, Neddern Way, Caldicot, NP26 4NJ
• Sold Sep 2016£371,000 | 5 Bed House20, Heol Glaslyn, Caldicot, NP26 4PG20, Heol Glaslyn, Caldicot, NP26 4PG
• Sold May 2016£600,000 | 5 Bed HouseThe Old Vicarage, Church Road, Caldicot, NP26 4HTThe Old Vicarage, Church Road, Caldicot, NP26 4HT
• Sold Apr 2016£327,500 | 5 Bed House8, Heol Sirhowy, Caldicot, NP26 4RD8, Heol Sirhowy, Caldicot, NP26 4RD
• Sold Jan 2015£405,000 | 5 Bed House6, Dancarga Drive, Caldicot, NP26 4QN6, Dancarga Drive, Caldicot, NP26 4QN
• Sold Apr 2014£430,000 | 5 Bed House47, Church Road, Caldicot, NP26 4HW47, Church Road, Caldicot, NP26 4HW
• Sold Nov 2013£525,000 | 5 Bed House3 Church Farm Gardens, Church Road, Caldicot, NP26 4HT3 Church Farm Gardens, Church Road, Caldicot, NP26 4HT
• Sold Mar 2013£320,000 | 5 Bed House23, Heol Sirhowy, Caldicot, NP26 4RD23, Heol Sirhowy, Caldicot, NP26 4RD
• Sold Mar 2012£315,000 | 5 Bed House1, Heol Sirhowy, Caldicot, NP26 4RD1, Heol Sirhowy, Caldicot, NP26 4RD
• Sold Dec 2010£333,995 | 5 Bed House9, Heol Trothy, Caldicot, NP26 4RA9, Heol Trothy, Caldicot, NP26 4RA

Of the 96 addresses on Heol Sirhowy, Caldicot, NP26, 18, Heol Sirhowy, Caldicot comes out as the largest and the most expensive in our analysis of the public data.

It is also £245k more expensive than the average property across the NP26 district.

• Caldicot

  |

  1.6 km away
• Severn Tunnel Junction

  |

  2.7 km away
• Chepstow

  |

  6.9 km away

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