Rosslyn Court, Flat 4, 3 Kirtleton Avenue, Weymouth, DT4 7PS
About Rosslyn Court
Rosslyn Court is a one-bedroom mid-terrace house in Weymouth (DT4 7PS). It has a recorded floor area of 59 m² (around 635 sq ft), construction records dating it to 1950-1966 and council tax band A. At 59 m² this is the 7th smallest of 9 units on EPC record in Rosslyn Court, where floor areas span 34–64 m². The building's EPC ratings span D to B, with this unit at the bottom. On EPC score it ranks last in the building (62 versus a best of 81). The latest certificate (May 2019) shows a D (score 62), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since May 2009. Between certificates, wall efficiency went from Poor to Average and lighting went from Average to Very Good; while window efficiency dropped from Good to Average. The recommended improvements would push it to C (score 73).
Across 1999–2021, sale prices on this property compounded at 5.5% per year. Today's modelled estimate of £141,000 is 21.6% above the 2021 sale price. Sold April 2021 for £116,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Know exactly what you're buying at Rosslyn Court
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
- Bedrooms1
Outside
- GarageDetached
Building
- Heating systemElectric
- RefurbishedYes
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Cavity wall insulation installed
More low energy lighting installed
Planning history
Rosslyn Court has no planning applications on record.
Notable planning nearby
5applications of note in the surrounding area
We flagged 2 things worth checking at Rosslyn Court
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
- Larger development activity nearby
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Sales history & valuation
Rosslyn Court has more than tripled in price since its earliest registered sale in 1999.
£141,000
Modelled from EPC, postcode comparables and a sale-price growth of 5.5% per year over 22 years.
£116,000
Growth on file: 5.5% per year over 22 years.
Sales timeline
8 April 2021Most recent
£116,000
+222.7%over 21 years16 June 1999
£35,950
Median price across the last 5 sales in DT4 7PS: £132,000 (2025–2023).
Nearby sales in DT4 7PS
Balmoral Court, Flat 1, 9 Kirtleton Avenue, Weymouth, DT4 7PS
Sold Oct 2025
£127,000Rosslyn Court, Flat 2, 3 Kirtleton Avenue, Weymouth, DT4 7PS
Sold Oct 2024
£127,000Rosslyn Court, Flat 5, 3 Kirtleton Avenue, Weymouth, DT4 7PS
Sold Mar 2024
£132,000Rosslyn Court, Flat 7, 3 Kirtleton Avenue, Weymouth, DT4 7PS
Sold Dec 2023
£145,750Russett Court, Flat 7, 15 Kirtleton Avenue, Weymouth, DT4 7PS
Sold Sept 2023
£152,500
Everything we know about Rosslyn Court, 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
- Larger development activity nearby

Versus other Kirtleton Avenue homes
Rosslyn Court is notably below the street on epc rating.
Price per m²
£1,966
Street avg £2,370
Floor Area
59 m²
Street avg 54 m²
Habitable Rooms
3 rooms
Street avg 3 rooms
CO₂ Emissions
2.8 t/year
Street avg 2.2 t/year
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
7/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Westerhall — bus stop.
Closest school
0.3 km
Coastland College. 13 schools 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
50.8dB

Night-time· 23:00 – 07:00
41.0dB