According to data from HM Land Registry, 29, Castle Street, Newport sits on a plot of 91 m².

We have plot size data on 18 out of 23 other houses in the postcode and 29, Castle Street, Newport sits on the 17th largest plot.

29, Castle Street, Newport has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 09 May 2013.

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

According to HM Land Registry, 29, Castle Street, Newport was last sold on 9th December 2016 for £97,000 and was recorded as a freehold house.

The property has only had this single sale since 1995.

Since December 2016, the market for similar properties has risen by 115.7%.

According to the Land Registry and our network of Estate Agents, there have been 94 sales of properties similar to 29, Castle Street, Newport within a radius of 560 metres since 2014.

The most recent example is 18, Courtybella Terrace, Newport, NP20 2LA, a freehold house which sold for £190,000 on the 17th November 2025.

Read more about house prices in NP20.

• Sold Nov 2025£190,000 | 3 Bed House18, Courtybella Terrace, Newport, NP20 2LA18, Courtybella Terrace, Newport, NP20 2LA
• Sold Aug 2025£161,000 | 3 Bed House5, Castle Street, Newport, NP20 2DF5, Castle Street, Newport, NP20 2DF
• Sold Apr 2025£142,000 | 3 Bed House18, Temple Street, Newport, NP20 2GJ18, Temple Street, Newport, NP20 2GJ
• Sold Dec 2024£144,000 | 3 Bed House21, Clarence Street, Newport, NP20 2DA21, Clarence Street, Newport, NP20 2DA
• Sold Nov 2024£148,000 | 3 Bed House31, Castle Street, Newport, NP20 2DF31, Castle Street, Newport, NP20 2DF
• Sold Nov 2024£155,000 | 3 Bed House13, Alexandra Road, Newport, NP20 2JB13, Alexandra Road, Newport, NP20 2JB
• Sold Oct 2024£150,000 | 3 Bed House16, Wallis Street, Newport, NP20 2DH16, Wallis Street, Newport, NP20 2DH
• Sold Oct 2024£135,000 | 3 Bed House17, Wilson Street, Newport, NP20 2DJ17, Wilson Street, Newport, NP20 2DJ
• Sold Nov 2023£147,500 | 3 Bed House23, Clarence Street, Newport, NP20 2DA23, Clarence Street, Newport, NP20 2DA
• Sold Oct 2023£155,000 | 3 Bed House19, Courtybella Terrace, Newport, NP20 2LA19, Courtybella Terrace, Newport, NP20 2LA
• Sold Apr 2023£125,000 | 3 Bed House6, Wilson Street, Newport, NP20 2DJ6, Wilson Street, Newport, NP20 2DJ
• Sold Jun 2022£80,000 | 3 Bed House18, Wilson Street, Newport, NP20 2DJ18, Wilson Street, Newport, NP20 2DJ
• Sold Dec 2021£115,000 | 3 Bed House22, Clarence Street, Newport, NP20 2DA22, Clarence Street, Newport, NP20 2DA
• Sold Sep 2020£90,000 | 3 Bed House34, Clarence Street, Newport, NP20 2DA34, Clarence Street, Newport, NP20 2DA
• Sold Apr 2019£100,000 | 3 Bed House12, Wilson Street, Newport, NP20 2DJ12, Wilson Street, Newport, NP20 2DJ
• Sold Apr 2019£135,000 | 4 Bed House1B, Castle Street, Newport, NP20 2DF1B, Castle Street, Newport, NP20 2DF
• Sold Oct 2018£92,500 | 3 Bed House8, Wallis Street, Newport, NP20 2DH8, Wallis Street, Newport, NP20 2DH
• Sold Nov 2017£1,250,000 | 3 Bed HouseUnit 6, Usk Side Business Park, Newport, NP20 2TXUnit 6, Usk Side Business Park, Newport, NP20 2TX
• Sold Dec 2014£80,000 | 3 Bed House8, Wilson Street, Newport, NP20 2DJ8, Wilson Street, Newport, NP20 2DJ
• Sold Sep 2014£80,000 | 3 Bed House14, Wallis Street, Newport, NP20 2DH14, Wallis Street, Newport, NP20 2DH

Castle Street, Newport, NP20 has a total of 23 addresses. According to our analysis of all the public data, 29, Castle Street, Newport is the 13th largest and the 13th most expensive property on the street.

When compared to the postcode district it is £64k less expensive than the average property in NP20.

• Newport (South Wales)

  |

  1.7 km away
• Pye Corner

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  3.9 km away
• Rogerstone

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  6.0 km away

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