What kind of home is 21 Cowper Avenue, SM1 3RD?

21 Cowper Avenue, SM1 3RD is a 3-bedroom mid-terrace house.

What was the last sold price for 21 Cowper Avenue, SM1 3RD?

21 Cowper Avenue, SM1 3RD last sold for £237,000 in July 2012, around 14 years ago. Land Registry has 3 sales on record going back to £91,000 in November 2000. Source: HM Land Registry.

What is the price history for 21 Cowper Avenue, SM1 3RD?

Across 3 sales between November 2000 and July 2012, 21 Cowper Avenue, SM1 3RD rose from £91,000 to £237,000, a change of £146,000. That works out to roughly +8.6% per year compounded over 12 years. Source: HM Land Registry.

What energy rating does 21 Cowper Avenue, SM1 3RD have?

The current EPC rating for 21 Cowper Avenue, SM1 3RD is D with a score of 59 out of 100, lodged in March 2012. The assessor estimates the property could reach a C. Source: EPC Register.

How big is 21 Cowper Avenue, SM1 3RD?

21 Cowper Avenue, SM1 3RD has a recorded floor area of 83 m² (897 sq ft), around 28 m² per bedroom. Source: EPC Register.

What heating system does 21 Cowper Avenue, SM1 3RD use?

The latest EPC at 21 Cowper Avenue, SM1 3RD records mains gas as the main heating fuel. Source: EPC Register.

Are there any planning records for 21 Cowper Avenue, SM1 3RD?

21 Cowper Avenue, SM1 3RD has 1 planning record on file (1 approved), most recent in December 2015. Source: PlanIt planning register.

What is the council tax band for 21 Cowper Avenue, SM1 3RD?

21 Cowper Avenue, SM1 3RD is in council tax band D.

Which area is 21 Cowper Avenue, SM1 3RD in?

21 Cowper Avenue, SM1 3RD sits in Sutton. It falls within the SM1 postcode district in Greater London Authority.

How safe is the area around 21 Cowper Avenue, SM1 3RD?

Police records around 21 Cowper Avenue, SM1 3RD show an average of 9 reported crimes per month over the last 13 months. Violent crime makes up roughly 50% of reports, the most common category. The overall trend is rising (287% versus the prior period). Source: Police UK.

What schools are near 21 Cowper Avenue, SM1 3RD?

The closest primary school to 21 Cowper Avenue, SM1 3RD is Manor Park Primary Academy (721m), one of 31 primaries within walking distance. The closest secondary is St Philomena's Catholic High School for Girls (699m), with 13 secondaries in the surrounding area.

How well connected is 21 Cowper Avenue, SM1 3RD?

The closest bus stop to 21 Cowper Avenue, SM1 3RD is Byron Avenue (SM1), 75m away. The nearest rail option is Carshalton Station, 835m away.

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21 Cowper Avenue, Sutton, SM1 3RD

3 sales on record1 planning record

Property type

Mid terrace

Bedrooms

Floor area

83 m²

897 sq ft

Energy rating

Score 59

Council tax

Band D

Tenure

Owner Occupied

Overview

About 21 Cowper Avenue

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

21 Cowper Avenue is a three-bedroom mid-terrace house in Sutton (SM1 3RD). It has a recorded floor area of 83 m² (around 897 sq ft), construction records dating it to 1930-1949 and council tax band D. The latest certificate (March 2012) shows a D (score 59), a step below the typical UK home. The recommended improvements would push it to C (score 73). The latest certificate is from March 2012, so improvements made since then won't be reflected.

Across 2000–2012, sale prices on this property compounded at 8.6% per year. Today's modelled estimate of £428,000 sits 80.6% above the 2012 sale of £237,000. One planning record on file: a loft conversion approved in 2015. Past consents include a loft conversion, meaningful when judging how the property has evolved. 14 years since the last transfer (July 2012).

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

Bedrooms3

Outside

Private gardenYes

Before you decide

Everything you need to know about 21 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

The data behind every report

Energy

Energy performance

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

21 Cowper Avenue's EPC is over a decade old — improvements since won't be reflected.

EPC Expired

This certificate is over 10 years old and is no longer valid.Expired 09 Mar 2022

EPC Rating

D59

Main Heating

Gas

Main Fuel

Gas

Hot Water

Good

Windows

Average

CO2 Emissions

4.3 t/year

Occupancy

Owner Occupied

Planning

Planning history

Applications and permits filed against 21 Cowper Avenue, Sutton, SM1 3RD, sourced from the PlanIt planning register.

Dec 2015
Loft ConversionOutline
In report
Conversion of loft space involving a dormer extension at rear and two roof lights at front
Agent
Habitat Architect Ltd
Reference
C2015/73274
View planning record

Before you offer

We flagged 1 thing worth checking at 21 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.

Sale price has at least doubled since 2000.

Current estimate

£428,000

Modelled from EPC, postcode comparables and a sale-price growth of 8.6% per year over 12 years.

See how we calculated this

Last sold (2012)

£237,000

Growth on file: 8.6% per year over 12 years.

Sales timeline

15 July 2012Most recent
£237,000
+12.9%over 6 years
27 April 2006
£210,000
+130.8%over 5 years
30 November 2000
£91,000

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

Nearby sales in SM1 3RD

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.

Habitable Rooms for 21 Cowper Avenue runs comfortably ahead of the street norm.

Price per m²

£2,843

Street avg £3,944

Below

Floor Area

83 m²

Street avg 82 m²

Above

Habitable Rooms

5 rooms

Street avg 4 rooms

Strongly above

CO₂ Emissions

4.3 t/year

Street avg 3.2 t/year

Below

Before you decide

Everything you need to know about 21 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

The data behind every report

Comparables

Similar properties nearby

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

£426k

1 Connaught Road

SM1 3PJ

3 bed1 bath

£466k

1 Cowper Avenue

SM1 3RD

3 bed

£540k

1 Byron Gardens

SM1 3QG

3 bed1 bath

£565k

1 Berwick Gardens

SM1 3SZ

3 bed2 bath

£596k

1 Chilworth Gardens

SM1 3SP

3 bed2 bath

£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

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