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11 Rosslyn Avenue, East Barnet, Barnet, EN4 8DH

2 planning records
Property type
Detached
Habitable rooms
5
From EPC
Floor area
109 m²
1173 sq ft
Energy rating
E
Score 45
Council tax
Band F
Tenure
Owner Occupied
Overview

About 11 Rosslyn Avenue

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

11 Rosslyn Avenue is a detached house in East Barnet, Barnet, Barnet (EN4 8DH). It has a recorded floor area of 109 m² (around 1173 sq ft), construction records dating it to 1967-1975 and council tax band F. The latest certificate (November 2020) shows an E (score 45), well below the UK norm with real room to improve. The rating has held steady at E across 2 certificates since October 2012. Between certificates, wall efficiency went from Poor to Average and lighting went from Very Poor to Very Good; while roof efficiency dropped from Average to Very Poor. The recommended improvements would lift it to C (score 72), a 2-band jump.

2 planning records sit against the property, 0 approved, 0 refused, 1 pending. An active application for an extension is awaiting a decision.

Before you decide

Everything you need to know about 11 Rosslyn Avenue

The true value, the hidden risks and the full sale history, in one report.

Larger development activity nearby
£14.99one-off

30-day money-back guarantee

Preview of the full property report

The data behind every report

  • HM Land Registry, source of sold price history
  • Department for Education, source of schools data
  • Police.uk, source of crime statistics
  • Department for Transport, source of stations and transport links
  • Environment Agency, source of flood risk data
  • Department for Environment, Food & Rural Affairs, source of road noise data
  • PlanIt, source of planning application records
Energy

Energy performance

Every EPC certificate filed against this property — current rating, recorded improvements, and where there's headroom to reach a higher band.

11 Rosslyn Avenue's carbon output runs well above what efficient homes in the postcode produce.

Current Certificate(1 of 2)
Nov 2020

EPC Rating

A
B
C
D
E
E45
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Average
Windows
Poor
CO2 Emissions
7.4 t/year
Occupancy
Owner Occupied

Property Improvements

Changes detected from historical EPC data

Nov 2020from Oct 2012
Wall Insulation
UninsulatedInsulated Cavity

Cavity wall insulation installed

Low Energy Lighting
5%75%

More low energy lighting installed

Planning

Planning history

Applications and permits filed against 11 Rosslyn Avenue, East Barnet, Barnet, EN4 8DH, sourced from the PlanIt planning register.

There is a planning application currently awaiting a decision.

  1. Dec 2025
    ExtensionFull
    In report

    Extension: Single storey · Side and rear of property

    Single storey front and rear extension and extension of existing patio area. Raising of the side garage roof. Changes to fenestration and creation of new openings

    Agent
    AS Architectual Services Ltd
    Documents
    10 docs on file
    Reference
    25/5160/HSE
    View planning record
  2. Dec 2025
    ExtensionOutline
    In report

    Roof extension involving hip to gable to both sides, rear dormer window with 3 front facing rooflights following demolition of existing chimney on rear roofslope.

    Agent
    AS Architectural Services Ltd
    Documents
    10 docs on file
    Reference
    25/4618/192
    View planning record
Before you offer

We flagged 1 thing worth checking at 11 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.

  • Larger development activity nearby
£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.

11 Rosslyn Avenue has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.

Current estimate

£823,000

Modelled from EPC, postcode comparables.

See how we calculated this

No sales recorded with HM Land Registry

That can mean the property has never traded since the registry began publishing in 1995, was a new build that hasn't been registered yet, or is held in the same hands long-term.

Median price across the last 5 sales in EN4 8DH: £950,000 (2025–2022).

On the street

Versus other Rosslyn Avenue homes

Four headline reads against 13 similar houses on this street, drawn from the latest EPC and Land Registry data.

Habitable Rooms for 11 Rosslyn Avenue lags the street by a wide margin.

EPC Rating

45 (E)

Street avg 56 (D)

Below

Floor Area

109 m²

Street avg 136 m²

Below

CO₂ Emissions

7.4 t/year

Street avg 6.9 t/year

Below

Habitable Rooms

5 rooms

Street avg 6 rooms

Strongly below
Before you decide

Everything you need to know about 11 Rosslyn Avenue

The true value, the hidden risks and the full sale history, in one report.

Larger development activity nearby
£14.99one-off

30-day money-back guarantee

Preview of the full property report

The data behind every report

  • HM Land Registry, source of sold price history
  • Department for Education, source of schools data
  • Police.uk, source of crime statistics
  • Department for Transport, source of stations and transport links
  • Environment Agency, source of flood risk data
  • Department for Environment, Food & Rural Affairs, source of road noise data
  • PlanIt, source of planning application records
Comparables

Similar properties nearby

A handful of close matches in the same postcode area, ranked by likeness on bedrooms, type and floor area.
£799k

1 Connaught Avenue, East Barnet

EN4 8PJ

4 bed1 bath
£854k

1 Cornell Gardens

EN4 8FS

£875k

1 Brookside, East Barnet

EN4 8TT

4 bed2 bath
£774k

1 Bohun Grove

EN4 8UA

4 bed2 bath
£737k

1 Derwent Avenue

EN4 8LU

3 bed1 bath
£721k

1 Accommodation Road

EN4 8FT

4 bed2 bath
£686k

1 Cranbrook Road

EN4 8UN

3 bed1 bath
£680k

1 Brookhill Road

EN4 8SE

Area

The neighbourhood at a glance

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

Rail-style transport is unusually close for this postcode.

Crime

2/mo

Steady year-on-year across the wider district.

Nearest stop

0.1 km

Littlegrove — bus stop.

Closest school

0.2 km

St Mary's CofE Primary School, East Barnet. 40 schools nearby.

Go deeper on the local area

The full report breaks down crime, transport links, schools and air quality in depth.

Noise

Road noise across the postcode

Modelled day and night-time noise levels around EN4 8DH from Defra's strategic mapping. The pin marks this postcode's centroid.
Daytime road noise heatmap for EN4 8DH

Daytime· 07:00 – 23:00

52.2dB

Low
Night-time road noise heatmap for EN4 8DH

Night-time· 23:00 – 07:00

40.5dB

Low
55 dB
60 dB
65 dB
70 dB
75 dB
80 dB
Defra Road Noise Strategic Mapping, Round 4
FAQ

Common questions

The questions buyers, sellers and homeowners most often ask about 11 Rosslyn Avenue, East Barnet, Barnet, EN4 8DH. Each answer is also embedded as structured data for search engines.