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Get started2 Bittern Island is a two-bedroom detached house in Horning, Norwich, Norwich (NR12 8PF). It has a recorded floor area of 119 m² (around 1281 sq ft) and construction records dating it to 1950-1966. The latest certificate (September 2023) shows an E (score 40), well below the UK norm with real room to improve. When first surveyed in March 2011 the rating was G, the property has climbed 2 bands since. Between certificates, roof efficiency went from Very Poor to Good and lighting went from Poor to Very Good; while hot-water efficiency dropped from Average to Poor and main heating dropped from Poor to Very Poor. The recommended improvements would lift it to C (score 75), a 2-band jump. Main heating runs on electricity. Records show the property has been extended at some point in its history.
Held since November 2003 — that's 23 years off the open market, well above the local norm. Today's modelled estimate of £436,000 sits 105.2% above the 2003 sale of £212,500. On a £-per-square-foot basis, the last sale (£166/sq ft) was about 33.5% below the postcode norm. At 119 m² it's 28% larger than the typical home in the postcode (93 m² median across 35 EPCs). 2 planning records sit against the property, 1 approved, 0 refused.
2 Bittern Island's carbon output runs well above what efficient homes in the postcode produce.
Install 8 piles to support galvanised steel ring beam to support the south west elevation of the property
2 Bittern Island valuation sits well clear of the typical sold price in this postcode.
£436,000
Modelled from EPC, postcode comparables.
£212,500
Recorded with HM Land Registry.
CO₂ Emissions for 2 Bittern Island lags the street by a wide margin.
Price per m²
£1,786
Street avg £4,745
Floor Area
119 m²
Street avg 115 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.
Crime
2/mo
Steady year-on-year across the wider district.
Closest school
0.7 km

Daytime· 07:00 – 23:00
43.6dB

Changes detected from historical EPC data
Heating system changed
Heating controls upgraded for better temperature management
Hot water efficiency decreased
Roof insulation improved
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
T1: Willow (13m tall) - re-pollard back to 5m in height.
14 November 2003Most recent
£212,500
Median price across the last 5 sales in NR12 8PF: £400,000 (2025–2023).
CO₂ Emissions
7.7 t/year
Street avg 5.1 t/year
NR12 8PN
Horning Community Primary School. 1 school nearby.
Flood risk
High
From the Environment Agency.
Night-time· 23:00 – 07:00
36.6dB
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