What kind of home is 1 Marconi House, Avon Way, CO4 3TZ?

1 Marconi House, Avon Way, CO4 3TZ is a 4-bedroom mid-terrace house.

When did 1 Marconi House, Avon Way, CO4 3TZ last change hands?

1 Marconi House, Avon Way, CO4 3TZ last sold for £130,000 in July 2025, around 1 years ago. Before that, it sold for £225,000 in December 2007, so prices have been falling over 18 years on record. Source: HM Land Registry.

How has the value of 1 Marconi House, Avon Way, CO4 3TZ changed over time?

Across 2 sales between December 2007 and July 2025, 1 Marconi House, Avon Way, CO4 3TZ fell from £225,000 to £130,000, a change of £95,000. That works out to roughly -3.1% per year compounded over 18 years. Source: HM Land Registry.

How energy efficient is 1 Marconi House, Avon Way, CO4 3TZ?

The current EPC rating for 1 Marconi House, Avon Way, CO4 3TZ is C with a score of 78 out of 100, lodged in June 2021. Source: EPC Register.

How big is 1 Marconi House, Avon Way, CO4 3TZ?

1 Marconi House, Avon Way, CO4 3TZ has a recorded floor area of 73 m² (786 sq ft), around 18 m² per bedroom. That makes it about 18% larger than the median EPC-recorded property in CO4 3TZ. Source: EPC Register.

What heating system does 1 Marconi House, Avon Way, CO4 3TZ use?

The latest EPC at 1 Marconi House, Avon Way, CO4 3TZ records mains gas as the main heating fuel. Source: EPC Register.

What is the council tax band for 1 Marconi House, Avon Way, CO4 3TZ?

1 Marconi House, Avon Way, CO4 3TZ is in council tax band A. That sits at the lower end of the A-H ladder, typically reflecting smaller floor areas or lower 1991 valuations.

Which area is 1 Marconi House, Avon Way, CO4 3TZ in?

1 Marconi House, Avon Way, CO4 3TZ sits in Colchester. It falls within the CO4 postcode district in Essex.

Is 1 Marconi House, Avon Way, CO4 3TZ in a safe area?

Police records around 1 Marconi House, Avon Way, CO4 3TZ show an average of 430 reported crimes per month over the last 13 months. Violent crime makes up roughly 46% of reports, the most common category. The overall trend is broadly stable. Source: Police UK.

What schools are near 1 Marconi House, Avon Way, CO4 3TZ?

The closest primary school to 1 Marconi House, Avon Way, CO4 3TZ is Unity Primary Academy (569m), one of 16 primaries within walking distance. The closest secondary is Colchester Academy (923m).

What is the nearest station to 1 Marconi House, Avon Way, CO4 3TZ?

The closest bus stop to 1 Marconi House, Avon Way, CO4 3TZ is University Residences, 115m away. In total there are 30 bus stops within the surrounding area.

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1 Marconi House, Avon Way, Colchester, CO4 3TZ

Property type

Mid terrace

Floor 00

Bedrooms

Bathroom

Floor area

73 m²

786 sq ft

Energy rating

Score 78

Council tax

Band A

Tenure

Owner Occupied

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Overview

About 1 Marconi House

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

1 Marconi House is a four-bedroom mid-terrace house in Colchester (CO4 3TZ). It has a recorded floor area of 73 m² (around 786 sq ft), construction records dating it to 1983-1990 and council tax band A. At 73 m² this is the smallest unit on EPC record across the building (73–92 m²). The building's EPC ratings span D to C, with this unit at the top. On EPC score it ranks first in the building (78 versus a worst of 61). Other recorded features include outbuildings. The latest certificate (June 2021) shows a C (score 78), near the top of the C band.

Across 2007–2025, sale prices on this property compounded at -3.1% per year. Today's modelled estimate of £230,000 sits 76.9% above the 2025 sale of £130,000. Most recent transfer was July 2025 at £130,000 — fresh data.

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

Bedrooms4
Bathrooms1
StudyYes
FireplaceYes

Outside

ParkingOff street
OutbuildingsYes

Building

ConciergeYes

Before you decide

Everything you need to know about 1 Marconi House

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

Signs of HMO activity in the area

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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.

Current Certificate

Jun 2021

EPC Rating

C78

Main Heating

—

Main Fuel

Gas

Hot Water

Good

Windows

Average

CO2 Emissions

1.9 t/year

Occupancy

Owner Occupied

Certificate validity

Valid until 7 June 2031

4 years remaining

Get a survey for this property

Level 3 Building Survey

Late 20th centuryGround Floor FlatEPC CNo mains gasPermanent outbuildings

Because the property has no mains gas supply and has permanent outbuildings, we believe a Level 3 building survey should be considered.

From £885 · Includes VAT

Planning

Planning history

Applications and permits filed against 1 Marconi House, Avon Way, Colchester, CO4 3TZ, sourced from the PlanIt planning register.

1 Marconi House has no planning applications on record.

But the area is active

8 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.

Price

Sales history & valuation

Recorded transactions, our model's current estimate, and a quick read on what neighbouring properties have sold for.

1 Marconi House's sale-price growth has lagged the wider UK trajectory across its history on file.

Current estimate

£230,000

Modelled from EPC, postcode comparables and a sale-price growth of -3.1% per year over 18 years.

See how we calculated this

Last sold (2025)

£130,000

Growth on file: -3.1% per year over 18 years.

Sales timeline

17 July 2025Most recent
£130,000
-42.2%over 17 years
12 December 2007
£225,000

Median price across the last 5 sales in CO4 3TZ: £112,000 (2023–2016).

Nearby sales in CO4 3TZ

On the street

Versus other Avon Way homes

Four headline reads against 12 similar flats on this street, drawn from the latest EPC and Land Registry data.

On years held, 1 Marconi House runs well behind the street norm.

Price per m²

£1,781

Street avg £2,341

Strongly below

Floor Area

73 m²

Street avg 74 m²

Above

Habitable Rooms

5 rooms

Street avg 4 rooms

Above

CO₂ Emissions

1.9 t/year

Street avg 3.0 t/year

Strongly above

Before you decide

Everything you need to know about 1 Marconi House

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

Signs of HMO activity in the area

Pick your report · from £14.99

One time fee only - 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.

£248k

1 Ariel Close

CO4 3SJ

4 bed

£298k

1 Bridgefield Close

CO4 3BH

4 bed

£369k

1 Arnstones Close

CO4 3AS

4 bed1 bath

£382k

1 Bream Court

CO4 3EW

4 bed1 bath

£230k

1 Arrow Road

CO4 3TA

3 bed

£396k

1 Bromley Heights

CO4 3GX

4 bed

£259k

1 Aspen Way

CO4 3NJ

3 bed1 bath

£269k

1 Ashdown Way

CO4 3QU

3 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 Colchester district page.

Full Colchester report

Crime

430/mo

Steady year-on-year across the wider district.

Nearest stop

0.1 km

University Residences — bus stop.

Closest school

0.6 km

Unity Primary Academy. 17 schools nearby.

Go deeper on the local area

A Local Area 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 CO4 3TZ from Defra's strategic mapping. The pin marks this postcode's centroid.

Daytime· 07:00 – 23:00

50.7dB

Low

Night-time road noise heatmap for CO4 3TZ

Night-time· 23:00 – 07:00

42.0dB

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 1 Marconi House, Avon Way, Colchester, CO4 3TZ. Each answer is also embedded as structured data for search engines.