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Get started12 Maritime Avenue is a four-bedroom detached house in Heybridge Basin, Maldon, Maldon (CM9 4RT). It has a recorded floor area of 186 m² (around 2002 sq ft), construction records dating it to 1967-1975 and council tax band E. The latest certificate (February 2016) shows an E (score 51), well below the UK norm with real room to improve. Earlier certificates rated it D (January 2010); the latest reading is one band lower. Between certificates, hot-water efficiency went from Average to Good and main heating went from Average to Good; while wall efficiency dropped from Good to Poor and lighting dropped from Very Good to Very Poor. The recommended improvements would lift it to C (score 76), a 2-band jump. The latest certificate is from February 2016, so improvements made since then won't be reflected. Other recorded features include a conservatory and attached land beyond the plot.
Sale prices here have outpaced Maldon HPI: 5.6% per year against 0% for the wider region. On a £-per-square-foot basis, the last sale (£267/sq ft) was about 17.8% above the typical sold price in the postcode. At 186 m² the property is well over the postcode median (118 m² across 7 EPCs), placing it in the larger end of the local stock. It lags the bulk of the postcode on energy efficiency (less efficient than 86% of similar EPCs). Sold May 2024 for £535,000.
12 Maritime Avenue's carbon output runs well above what efficient homes in the postcode produce.
This certificate is over 10 years old and is no longer valid.Expired 01 Mar 2026
12 Maritime Avenue has more than tripled in price since its earliest registered sale in 1999.
£575,000
Modelled from EPC, postcode comparables and a sale-price growth of 5.6% per year over 25 years.
£535,000
Growth on file: 5.6% per year over 25 years.
12 Maritime Avenue is notably below the street on years held.
Price per m²
£2,876
Street avg £3,139
Floor Area
186 m²
Street avg 125 m²
Habitable Rooms
6 rooms
Street avg 7 rooms
Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.
Crime
4/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km

Daytime· 07:00 – 23:00
41.6dB

Changes detected from historical EPC data
Heating controls changed
Hot water efficiency improved
Loft insulation upgraded to recommended levels
Low energy lighting percentage decreased
Are we missing something? Tell us about home improvements to help adjust your valuation.
28 May 2024Most recent
£535,000
+211.0%over 23 years15 September 2000
£172,000
+26.5%over 1 year1 April 1999
£135,995
Median price across the last 5 sales in CM9 4RT: £430,000 (2024–2014).
2 Maritime Avenue Heybridge Basin Maldon
Sold Mar 2024
23 Maritime Avenue Heybridge Basin Maldon
Sold Feb 2017
4 Maritime Avenue Heybridge Basin Maldon
Sold Mar 2016
14 Maritime Avenue Heybridge Basin Maldon
Sold Jun 2015
9 Maritime Avenue Heybridge Basin Maldon
Sold Jan 2014
CO₂ Emissions
10.0 t/year
Street avg 5.2 t/year
CM9 4PG
Heybridge Basin — bus stop.
Closest school
1.6 km
Heybridge Primary School. 6 schools nearby.
Flood risk
Low
From the Environment Agency.
Night-time· 23:00 – 07:00
35.5dB
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