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18 Cowper Avenue, Sutton, SM1 3RD

EPC BExtendable1 planning record
Property type
Detached
Bedrooms
2
Bathroom
1
Floor area
73 m²
786 sq ft
Energy rating
B
Score 91
Tenure
Owner Occupied
Overview

About 18 Cowper Avenue

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

18 Cowper Avenue is a two-bedroom detached house in Sutton (SM1 3RD). It has a recorded floor area of 73 m² (around 786 sq ft). The latest certificate (May 2017) returns a high B (score 91), putting the home a stone's throw from an A rating. The recommended improvements would push it to A (score 93). Our model identifies extension potential, subject to local planning policy.

Its energy rating outperforms most of the postcode (better than 88% of similar EPCs). Today's modelled estimate of £480,000 is 15.7% above the 2019 sale price. On a £-per-square-foot basis, the last sale (£528/sq ft) was about 106.7% above the typical sold price in the postcode. Most recent transfer: March 2019 at £415,000. One historical planning record sits against the property in 2016.

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

  • Bedrooms2
  • Bathrooms1
  • Open-plan layoutYes
  • EnsuiteYes

Outside

  • Private gardenRear
  • GarageYes

Building

  • RefurbishedYes
  • Extension potentialPossible
Before you decide

Everything you need to know about 18 Cowper 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.

18 Cowper Avenue's carbon output is low for the local stock.

EPC Rating

A
B
B91
C
D
E
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Good
Windows
Very Good
CO2 Emissions
0.4 t/year
Occupancy
Owner Occupied
Planning

Planning history

Applications and permits filed against 18 Cowper Avenue, Sutton, SM1 3RD, sourced from the PlanIt planning register.
  1. Sept 2016
    Conditions
    In report

    Application to clear conditions 4, 6, 7 & 8 of approved application C2016/73799/FUL

    Agent
    Accord Architecture Ltd
    Reference
    C2016/1148
    View planning record
Before you offer

We flagged 1 thing worth checking at 18 Cowper 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.

18 Cowper Avenue valuation sits well clear of the typical sold price in this postcode.

Current estimate

£480,000

Modelled from EPC, postcode comparables.

See how we calculated this
Last sold (2019)

£415,000

Recorded with HM Land Registry.

Sales timeline

  1. 18 March 2019Most recent

    £415,000

Median price across the last 5 sales in SM1 3RD: £460,274 (2024–2020).

On the street

Versus other Cowper Avenue homes

Four headline reads against 25 similar houses on this street, drawn from the latest EPC and Land Registry data.

CO₂ Emissions for 18 Cowper Avenue runs comfortably ahead of the street norm.

Price per m²

£5,685

Street avg £3,825

Strongly above

Floor Area

73 m²

Street avg 82 m²

Below

CO₂ Emissions

0.4 t/year

Street avg 3.4 t/year

Strongly above

Years Held

7 years

Street avg 15 years

Below
Before you decide

Everything you need to know about 18 Cowper 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.
£468k

1 Byron Avenue

SM1 3RA

2 bed1 bath
£354k

1 Bryanstone Court, Oakhill Road

SM1 3AF

2 bed1 bath
£297k

1 Copthorne Court, Oakhill Road

SM1 3AH

2 bed1 bath
£288k

1 Angel Hill Court, Angel Hill

SM1 3EE

2 bed1 bath
£466k

1 Cowper Avenue

SM1 3RD

3 bed
£540k

1 Byron Gardens

SM1 3QG

3 bed1 bath
£426k

1 Connaught Road

SM1 3PJ

3 bed1 bath
£565k

1 Berwick Gardens

SM1 3SZ

3 bed2 bath
Area

The neighbourhood at a glance

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

Rail-style transport is unusually close for this postcode.

Crime

9/mo

Rising year-on-year across the wider district.

Nearest stop

0.1 km

Byron Avenue (SM1) — bus stop.

Closest school

0.7 km

St Philomena's Catholic High School for Girls. 44 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 SM1 3RD from Defra's strategic mapping. The pin marks this postcode's centroid.
Daytime road noise heatmap for SM1 3RD

Daytime· 07:00 – 23:00

52.0dB

Low
Night-time road noise heatmap for SM1 3RD

Night-time· 23:00 – 07:00

41.6dB

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 18 Cowper Avenue, Sutton, SM1 3RD. Each answer is also embedded as structured data for search engines.