Trelathan, Boyton, Launceston, PL15 9RJ
About Trelathan
Trelathan is a detached house in Boyton, Launceston, Launceston (PL15 9RJ). It has a recorded floor area of 121 m² (around 1302 sq ft) and construction records dating it to 1950-1966. The latest certificate (June 2021) shows a D (score 59), a step below the typical UK home. When first surveyed in October 2016 the rating was F, the property has climbed 2 bands since. Between certificates, wall efficiency went from Poor to Average, hot-water efficiency went from Poor to Average and lighting went from Good to Very Good. The recommended improvements would push it to C (score 78). Main heating runs on oil.
It hasn't traded since July 2008, a hold of 18 years that's notably long for the area. That sale landed at the peak of the pre-credit-crunch market, which is a useful reference point when interpreting the price. Today's modelled estimate of £391,000 sits 56.4% above the 2008 sale of £250,000. 2 planning records sit against the property, 0 approved, 2 refused. At 121 m² it's 18.8% smaller than the typical home in the postcode (149 m² median across 3 EPCs).
Know exactly what you're buying at Trelathan
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
Already flagged here
Launch offer · save £5
Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Hot water system upgraded
Cavity wall insulation installed
More low energy lighting installed
Planning history
- Mar 2010New BuildFullIn report
Detached bungalow [ card 0016 boy ]
- Documents
- 1 doc on file
- Reference
- E1/2010/00066
- Sept 2009New BuildFullIn report
Erection of detached dwelling [ card 0016 boy ]
- Documents
- 1 doc on file
- Reference
- E1/2009/00854
We flagged 1 thing worth checking at Trelathan
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.
- Larger development activity nearby
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Sales history & valuation
The latest sale landed at the peak of the pre-credit-crunch market — a high-water reference point.
£391,000
Modelled from EPC, postcode comparables.
£250,000
Recorded with HM Land Registry.
Sales timeline
21 July 2008Most recent
£250,000
Median price across the last 5 sales in PL15 9RJ: £400,000 (2025–2018).
Nearby sales in PL15 9RJ
New Town Villa, Boyton, Launceston, PL15 9RJ
Sold Jan 2025
£300,0001 Taladowr, Boyton, Launceston, PL15 9RJ
Sold Jun 2024
£612,5002 Taladowr, Boyton, Launceston, PL15 9RJ
Sold Jun 2024
£400,000Treveth, Boyton, Launceston, PL15 9RJ
Sold Jan 2024
£385,000Tala Park, Boyton, Launceston, PL15 9RJ
Sold Feb 2018
£515,000
Everything we know about Trelathan, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
What we flagged
- Larger development activity nearby

Versus the street
Floor Area for Trelathan lags the street by a wide margin.
EPC Rating
59 (D)
Street avg 53 (E)
Floor Area
121 m²
Street avg 144 m²
CO₂ Emissions
5.8 t/year
Street avg 6.0 t/year
Similar properties nearby
The neighbourhood at a glance
Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.
Crime
4/mo
Steady year-on-year across the wider district.
Nearest stop
0.4 km
Beacon Park — bus stop.
Closest school
0.2 km
Boyton Community Primary School. 1 school nearby.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.
Road noise across the postcode

Daytime· 07:00 – 23:00
42.9dB

Night-time· 23:00 – 07:00
35.7dB