42 Rosslyn Avenue, Romford, RM3 0DJ
About 42 Rosslyn Avenue
42 Rosslyn Avenue is a three-bedroom semi-detached house in Romford (RM3 0DJ). It has a recorded floor area of 97 m² (around 1044 sq ft), construction records dating it to 1930-1949 and council tax band D. The latest certificate (September 2018) shows a D (score 66), on the cusp of jumping into the C band. When first surveyed in August 2014 the rating was F, the property has climbed 2 bands since. Between certificates, hot-water efficiency went from Average to Good, lighting went from Poor to Very Good and main heating went from Average to Good; while roof efficiency dropped from Good to Average. The recommended improvements would lift it to B (score 86), a 2-band jump. It has already been extended once and our model flags further extension potential, a sign of buyer flexibility.
Across 2014–2018, sale prices on this property compounded at 12.5% per year. Today's modelled estimate of £583,000 is 17.2% above the 2018 sale price. On a £-per-square-foot basis, the last sale (£476/sq ft) was about 56.7% above the typical sold price in the postcode. Most recent transfer: December 2018 at £497,500. One historical planning record sits against the property in 2026.
Know exactly what you're buying at 42 Rosslyn 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
Outside
- Private gardenRear
- ParkingOff street
Building
- Previously extendedYes
- Extension potentialPossible
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Replaced storage heaters with gas boiler
Connected to mains gas supply
Heating controls upgraded for better temperature management
Hot water system upgraded
Windows upgraded, improving insulation
More low energy lighting installed
Planning history
- Mar 2026ExtensionFullIn report
Extension: Single storey · Rear of property
Single storey rear extension
- Documents
- 6 docs on file
- Reference
- P0124.26
We flagged 2 things worth checking at 42 Rosslyn 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
- Larger development activity nearby
30-day money-back guarantee
Sales history & valuation
42 Rosslyn Avenue valuation sits well clear of the typical sold price in this postcode.
£583,000
Modelled from EPC, postcode comparables and a sale-price growth of 12.5% per year over 4 years.
£497,500
Growth on file: 12.5% per year over 4 years.
Sales timeline
14 December 2018Most recent
£497,500
+62.1%over 4 years6 November 2014
£307,000
Median price across the last 5 sales in RM3 0DJ: £510,000 (2025–2019).
Nearby sales in RM3 0DJ
Everything we know about 42 Rosslyn 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
- Larger development activity nearby

Versus other Rosslyn Avenue homes
On co₂ emissions, 42 Rosslyn Avenue stands well clear of the street.
Price per m²
£5,129
Street avg £3,859
Floor Area
97 m²
Street avg 115 m²
Habitable Rooms
5 rooms
Street avg 6 rooms
CO₂ Emissions
4.0 t/year
Street avg 5.0 t/year
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
6/mo
Rising year-on-year across the wider district.
Nearest stop
0.2 km
Rosslyn Avenue — bus stop.
Closest school
0.5 km
Redden Court School. 24 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
51.8dB

Night-time· 23:00 – 07:00
41.0dB