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25 Castleton Avenue, Treherbert, Treorchy, CF42 5SS

Property type
Semi-detached
Bedrooms
3
Bathroom
1
Floor area
78 m²
840 sq ft
Energy rating
C
Score 75
Council tax
Band B
Tenure
Owner Occupied
Overview

About 25 Castleton Avenue

A plain-English summary derived from public records, EPC certificates, sold prices and local data.

25 Castleton Avenue is a three-bedroom semi-detached house in Treherbert, Treorchy, Treorchy (CF42 5SS). It has a recorded floor area of 78 m² (around 840 sq ft), construction records dating it to 1996-2002 and council tax band B. The latest certificate (March 2025) shows a C (score 75), near the top of the C band. The rating has held steady at C across 2 certificates since July 2013. Between certificates, lighting went from Very Poor to Very Good. The recommended improvements would push it to B (score 87).

Most recent transfer was July 2025 at £130,000 — fresh data. Across 2019–2025, sale prices on this property compounded at 6.9% per year. Today's modelled estimate of £163,000 is 25.4% above the 2025 sale price. On a £-per-square-foot basis, the last sale (£155/sq ft) was about 137.7% above the typical sold price in the postcode. At 78 m² it's 24.6% smaller than the typical home in the postcode (104 m² median across 22 EPCs).

Before you offer

Know exactly what you're buying at 25 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

Signs of HMO activity in the area
£14.99
Trusted by UK homebuyers

Valuation

against the asking price

Risks

planning & flood

Sold prices

similar homes nearby

Trends

the local market

Specifications

What this property has

Pulled from EPC certificates, claim submissions and our property model. Empty categories are hidden — we only show what's known.

Inside

  • Bedrooms3
  • Bathrooms1
Energy

Energy performance

Every EPC certificate filed against this property — current rating, recorded improvements, and where there's headroom to reach a higher band.
Current Certificate(1 of 2)
Mar 2025

EPC Rating

A
B
C
C75
D
E
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Good
Windows
Average
CO2 Emissions
3.0 t/year
Occupancy
Owner Occupied

Property Improvements

Changes detected from historical EPC data

Mar 2025from Jul 2013
Roof Insulation
InsulatedWell Insulated

Loft insulation upgraded to recommended levels

Low Energy Lighting
0%100%

More low energy lighting installed

Planning

Planning history

Applications and permits filed against 25 Castleton Avenue, Treherbert, Treorchy, CF42 5SS, sourced from the PlanIt planning register.

25 Castleton Avenue has no planning applications on record.

Notable planning nearby

6applications of note in the surrounding area

Before you offer

We flagged 1 thing worth checking at 25 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
£14.99

30-day money-back guarantee

Price

Sales history & valuation

Recorded transactions, our model's current estimate, and a quick read on what neighbouring properties have sold for.

25 Castleton Avenue valuation sits well clear of the typical sold price in this postcode.

Current estimate

£163,000

Modelled from EPC, postcode comparables and a sale-price growth of 6.9% per year over 6 years.

See how we calculated this
Last sold (2025)

£130,000

Growth on file: 6.9% per year over 6 years.

Sales timeline

  1. 17 July 2025Most recent

    £130,000

    +51.2%over 6 years
  2. 28 April 2019

    £86,000

Median price across the last 5 sales in CF42 5SS: £130,000 (2025–2022).

Before you offer

Everything we know about 25 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
£14.99
Trusted by UK homebuyers
Preview of the full property report
On the street

Versus other Castleton Avenue homes

Four headline reads against 22 similar houses on this street, drawn from the latest EPC and Land Registry data.

Price per m² for 25 Castleton Avenue runs comfortably ahead of the street norm.

Price per m²

£1,667

Street avg £948

Strongly above

Floor Area

78 m²

Street avg 111 m²

Strongly below

Habitable Rooms

5 rooms

Street avg 5 rooms

On par

CO₂ Emissions

3.0 t/year

Street avg 6.4 t/year

Strongly above
Area

The neighbourhood at a glance

A condensed read of the local area. Each tile links through to the full breakdown on the Treorchy district page.

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.

FAQ

Common questions

The questions buyers, sellers and homeowners most often ask about 25 Castleton Avenue, Treherbert, Treorchy, CF42 5SS. Each answer is also embedded as structured data for search engines.