House prices on Mary Street
Median value — November 2026
£177,500
Modelled from 38 properties Stede tracks in Mary Street
Market snapshot
£177,500
Median value
£179,000
Average value
2
Sales in the last 12 months
+5%
Change over the past year
Value over time
- Modelled value
- Projected
Modelled month by month from the UK House Price Index, averaged across every property type Stede tracks here.
View as a table
| Year | Modelled value |
|---|---|
| 2000 | £55,260 |
| 2001 | £58,178 |
| 2002 | £73,186 |
| 2003 | £94,180 |
| 2004 | £120,972 |
| 2005 | £132,218 |
| 2006 | £138,488 |
| 2007 | £144,978 |
| 2008 | £129,813 |
| 2009 | £127,581 |
| 2010 | £123,946 |
| 2011 | £130,881 |
| 2012 | £125,527 |
| 2013 | £127,498 |
| 2014 | £137,125 |
| 2015 | £139,825 |
| 2016 | £141,678 |
| 2017 | £152,269 |
| 2018 | £164,290 |
| 2019 | £167,247 |
| 2020 | £180,153 |
| 2021 | £202,558 |
| 2022 | £227,933 |
| 2023 | £224,907 |
| 2024 | £235,440 |
| 2025 | £237,144 |
| 2026 | £246,000 |
There aren't enough recorded sales on Mary Street alone to model a trend for it, so this line shows Caerphilly instead.
Property types
- Mid-terrace house97%£177,000
- Semi-detached house3%£198,000
Recent sales
- 42 Mary Street, Trethomas, Caerphilly, CF83 8HN£188,000 · 2026£194,000
- 44 Mary Street, Trethomas, Caerphilly, CF83 8HN£170,000 · 2026£184,000
- 47 Mary Street, Trethomas, Caerphilly, CF83 8HN£141,000 · 2025£166,000
- 20 Mary Street, Trethomas, Caerphilly, CF83 8HN£163,500 · 2024£180,000
- 30 Mary Street, Trethomas, Caerphilly, CF83 8HN£180,000 · 2024£197,000
- 16 Mary Street, Trethomas, Caerphilly, CF83 8HN£145,000 · 2024£196,000
- 6 Mary Street, Trethomas, Caerphilly, CF83 8HN£150,000 · 2024£175,000
- 41 Mary Street, Trethomas, Caerphilly, CF83 8HN£150,000 · 2023£168,000
Addresses in Mary Street
- 10 Mary Street, Trethomas, Caerphilly, CF83 8HN£127,000 · 2022£197,000
- 11 Mary Street, Trethomas, Caerphilly, CF83 8HN£102,000 · 2017£174,000
- 14 Mary Street, Trethomas, Caerphilly, CF83 8HN£42,500 · 2001£176,000
- 15 Mary Street, Trethomas, Caerphilly, CF83 8HN£94,000 · 2012£173,000
- 16 Mary Street, Trethomas, Caerphilly, CF83 8HN£145,000 · 2024£196,000
- 17 Mary Street, Trethomas, Caerphilly, CF83 8HN£80,000 · 2016£145,000
- 18 Mary Street, Trethomas, Caerphilly, CF83 8HN£119,995 · 2008£189,000
- 19 Mary Street, Trethomas, Caerphilly, CF83 8HN£187,500 · 2023£205,000
- 2 Mary Street, Trethomas, Caerphilly, CF83 8HN£103,000 · 2008£198,000
- 20 Mary Street, Trethomas, Caerphilly, CF83 8HN£163,500 · 2024£180,000
- 21 Mary Street, Trethomas, Caerphilly, CF83 8HN£91,000 · 2012£167,000
- 22 Mary Street, Trethomas, Caerphilly, CF83 8HN£125,000 · 2018£194,000
- 23 Mary Street, Trethomas, Caerphilly, CF83 8HN£110,000 · 2004£185,000
- 24 Mary Street, Trethomas, Caerphilly, CF83 8HN£102,000 · 2017£181,000
- 25 Mary Street, Trethomas, Caerphilly, CF83 8HN£115,500 · 2019£169,000
- 28 Mary Street, Trethomas, Caerphilly, CF83 8HN£100,000 · 2017£177,000
- 29 Mary Street, Trethomas, Caerphilly, CF83 8HN£120,000 · 2021£175,000
- 30 Mary Street, Trethomas, Caerphilly, CF83 8HN£180,000 · 2024£197,000
- 31 Mary Street, Trethomas, Caerphilly, CF83 8HN£138,500 · 2022£178,000
- 32 Mary Street, Trethomas, Caerphilly, CF83 8HN£80,000 · 2014£161,000
- 33 Mary Street, Trethomas, Caerphilly, CF83 8HN£140,000 · 2023£161,000
- 35 Mary Street, Trethomas, Caerphilly, CF83 8HN£37,950 · 2001£181,000
- 37 Mary Street, Trethomas, Caerphilly, CF83 8HN£151,500 · 2021£192,000
- 39 Mary Street, Trethomas, Caerphilly, CF83 8HN£146,500 · 2023£171,000
- 40 Mary Street, Trethomas, Caerphilly, CF83 8HN£110,000 · 2016£171,000
- 41 Mary Street, Trethomas, Caerphilly, CF83 8HN£150,000 · 2023£168,000
- 42 Mary Street, Trethomas, Caerphilly, CF83 8HN£188,000 · 2026£194,000
- 43 Mary Street, Trethomas, Caerphilly, CF83 8HN£138,750 · 2020£189,000
- 44 Mary Street, Trethomas, Caerphilly, CF83 8HN£170,000 · 2026£184,000
- 46 Mary Street, Trethomas, Caerphilly, CF83 8HN£78,000 · 2014£151,000
- 47 Mary Street, Trethomas, Caerphilly, CF83 8HN£141,000 · 2025£166,000
- 48 Mary Street, Trethomas, Caerphilly, CF83 8HN£112,500 · 2007£178,000
- 49 Mary Street, Trethomas, Caerphilly, CF83 8HN£115,000 · 2021£155,000
- 50 Mary Street, Trethomas, Caerphilly, Rhymney Valley, Mid Glamorgan, CF83 8HN£158,000 · 2021£202,000
- 6 Mary Street, Trethomas, Caerphilly, CF83 8HN£150,000 · 2024£175,000
- 7 Mary Street, Trethomas, Caerphilly, CF83 8HN£109,000 · 2018£166,000
- 8 Mary Street, Trethomas, Caerphilly, CF83 8HN£75,000 · 2011£157,000
- 9 Mary Street, Trethomas, Caerphilly, CF83 8HN£124,950 · 2017£224,000
About this area
Mary Street, in Caerphilly, is a street. Stede can model 38 properties there, from HM Land Registry Price Paid Data and the UK House Price Index.
As of November 2026, Mary Street has a median estimated value of £177,500 and an average of £179,000.
Modelled values in Mary Street are +5% over the past year and +24% over five years.
The market here is mostly mid-terrace houses, which make up 97% of the properties Stede tracks in Mary Street.
2 sales were recorded in Mary Street over the past 12 months.
Common questions
What is the average house price in Mary Street?
As of November 2026, the average estimated value is £179,000 and the median is £177,500 across 38 properties Stede tracks in Mary Street. This is not a formal market valuation.
Are house prices in Mary Street going up or down?
Modelled values in Mary Street are +5% over the past year and +24% over five years, based on the UK House Price Index.
What types of property are in Mary Street?
97% of the properties Stede tracks in Mary Street are mid-terrace houses. semi-detached houses are next most common, at 3%.
How many properties are in Mary Street?
Stede can model 38 properties in Mary Street, with 2 recorded sales in the past 12 months.
How does Stede calculate house prices for Mary Street?
These figures are modelled from HM Land Registry Price Paid Data and the UK House Price Index — the same sources used for every individual property valuation on Stede. Full detail is on the methodology page.
How we calculate this
These figures are modelled from HM Land Registry Price Paid Data and the UK House Price Index — the same sources behind every individual property valuation on Stede.
Read the full methodology and data sources →