7 Castleton Avenue, Treherbert, Treorchy, CF42 5SS
About 7 Castleton Avenue
7 Castleton Avenue is a three-bedroom semi-detached house in Treherbert, Treorchy, Treorchy (CF42 5SS). It has a recorded floor area of 98 m² (around 1055 sq ft), construction records dating it to 1900-1929 and council tax band B. The latest certificate (June 2012) shows an E (score 45), well below the UK norm with real room to improve. The recommended improvements would lift it to B (score 86), a 3-band jump. The latest certificate is from June 2012, so improvements made since then won't be reflected. Other recorded features include outbuildings. Period features are noted in the property record.
Across 2000–2018, sale prices on this property compounded at 8.8% per year. Today's modelled estimate of £168,000 sits 68.1% above the 2018 sale of £99,950. On a £-per-square-foot basis, the last sale (£95/sq ft) was about 25.5% above the typical sold price in the postcode. 8 years since the last transfer (January 2018).
Know exactly what you're buying at 7 Castleton Avenue
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
Already flagged here
Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
What this property has
Inside
- Bedrooms3
- Bathrooms1
- CloakroomYes
Outside
- Private gardenFront and rear
- OutbuildingsYes
Building
- Period featuresYes
- RefurbishedYes
Energy performance
7 Castleton Avenue's carbon output runs well above what efficient homes in the postcode produce.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 25 Jun 2022
EPC Rating
Planning history
7 Castleton Avenue has no planning applications on record.
Notable planning nearby
6applications of note in the surrounding area
We flagged 1 thing worth checking at 7 Castleton Avenue
Independent checks surfaced things a buyer would want to understand before offering. The report explains each one in full, with the underlying data and what to ask.
- Signs of HMO activity in the area
30-day money-back guarantee
Sales history & valuation
Price for 7 Castleton Avenue has grown more than fourfold since the 2000 starting point.
£168,000
Modelled from EPC, postcode comparables and a sale-price growth of 8.8% per year over 17 years.
£99,950
Growth on file: 8.8% per year over 17 years.
Sales timeline
5 January 2018Most recent
£99,950
+325.3%over 17 years1 December 2000
£23,500
Median price across the last 5 sales in CF42 5SS: £130,000 (2025–2022).
Nearby sales in CF42 5SS
25 Castleton Avenue, Treherbert, Treorchy, CF42 5SS
Sold Jul 2025
£130,00014 Castleton Avenue, Treherbert, Treorchy, CF42 5SS
Sold Jul 2025
£185,000Fernhill House, Castleton Avenue, Treherbert, Treorchy, CF42 5SS
Sold Dec 2023
£395,0003 Castleton Avenue, Treherbert, Treorchy, CF42 5SS
Sold Nov 2022
£130,00026 Castleton Avenue, Treherbert, Treorchy, CF42 5SS
Sold Aug 2022
£125,000
Everything we know about 7 Castleton Avenue, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
What we flagged
- Signs of HMO activity in the area

Versus other Castleton Avenue homes
EPC Rating for 7 Castleton Avenue lags the street by a wide margin.
Price per m²
£1,020
Street avg £1,002
Floor Area
98 m²
Street avg 110 m²
Habitable Rooms
4 rooms
Street avg 5 rooms
CO₂ Emissions
6.3 t/year
Street avg 6.3 t/year
Similar properties nearby
1 Blaen Y Cwm Terrace, Treherbert
CF42 5ND
1 Brynfedwen Close, Treherbert
CF42 5PB
1 David Street, Treherbert
CF42 5LB
1 Coldra Road, Treherbert
CF42 5ST
1 Crichton Street, Treherbert
CF42 5RA
1 Brook Street, Blaenrhondda
CF42 5SG
1 Cwrt Yr Ysgol, Treherbert
CF42 5PX
1 Clos Ioan, Treherbert
CF42 5AQ
The neighbourhood at a glance
Crime
5/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Steps — bus stop.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.