Our Data Sources
18, Cwrt Y Castell, Builth Wells has no records in the Land Registry and a single entry in the EPC database dated November 2025.
We combine this information with public data of neighbouring properties to estimate the property attributes and values.
The local information is scored as 5 out of 5 and is considered of high accuracy.
Price Range & Condition
The condition of a property plays an important role in determining its value, with the degree of impact varying by property type, size and location.
For 18, Cwrt Y Castell, Builth Wells, we estimate a market value of £227,970 and a rental value of £824 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £201,916 and £729 per month respectively.
Energy Efficiency
18, Cwrt Y Castell, Builth Wells has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 14 Nov 2025.
The property is connected to mains gas and has fully double glazed windows. It is heated using a boiler and radiators (mains gas).
Similar Properties Sold Nearby
Since 2007 70 properties similar to 18, Cwrt Y Castell, Builth Wells have sold within a radius of 4.7 kilometres, per the Land Registry and our network of Estate Agents.
The latest, on the 21st January 2026, was 23, Troed Y Bryn, Builth Wells, LD2 3FE, a freehold house which sold for £222,000.
Read more about house prices in LD2.
- Sold Jan 2026£222,000 | 3 Bed House23, Troed Y Bryn, Builth Wells, LD2 3FE23, Troed Y Bryn, Builth Wells, LD2 3FE
- Sold Dec 2024£180,000 | 3 Bed House14, Penybryn, Builth Wells, LD2 3LF14, Penybryn, Builth Wells, LD2 3LF
- Sold Dec 2024£250,000 | 3 Bed House23, Penybryn, Builth Wells, LD2 3LF23, Penybryn, Builth Wells, LD2 3LF
- Sold Sep 2024£250,000 | 3 Bed House29, Castle Road, Builth Wells, LD2 3EG29, Castle Road, Builth Wells, LD2 3EG
- Sold Aug 2024£213,000 | 3 Bed House21, Hill View Estate, Builth Wells, LD2 3DY21, Hill View Estate, Builth Wells, LD2 3DY
Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Explore Nearby Properties
The surrounding properties have an average estimated value of £206,437, ranging from £184,801 to £220,676.
- 17 Cwrt Y Castell
3 Bed House | 6 m | Est. Value: £220,676
- 16 Cwrt Y Castell
3 Bed House | 11 m | Est. Value: £204,406
- 19 Cwrt Y Castell
3 Bed House | 13 m | Est. Value: £205,441
- 15 Cwrt Y Castell
3 Bed House | 16 m | Est. Value: £215,737
- 20 Cwrt Y Castell
3 Bed House | 18 m | Est. Value: £205,441
Location Comparison
Of the 38 addresses on Cwrt Y Castell, Builth Wells, LD2, 18, Cwrt Y Castell, Builth Wells comes out as the 5th largest and the 11th most expensive in our analysis of the public data.
It is also £58k less expensive than the average property across the LD2 district.
More reading links
Schools Nearby
Public Transport Nearby
- Builth Road|3.1 km away
- Cilmeri|3.9 km away
- Garth (Powys)|9.0 km away
Available Internet Speeds
Broadband here reaches superfast speeds, based on recent Ofcom data.
According to recent data from Ofcom, Superfast Broadband available in this area.
Risk of Flooding
The flood risk here is rated Very Low, based on Environment Agency data.





