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Get startedThe Signal Box is a four-bedroom detached house in Bunwell, Norwich, Norwich (NR16 1RB). It has a recorded floor area of 129 m² (around 1389 sq ft), construction records dating it to 1950-1966 and council tax band B. Tenure is freehold. The latest certificate (October 2023) returns a high B (score 89), putting the home a stone's throw from an A rating. When first surveyed in June 2014 the rating was F, the property has climbed 4 bands since. Between certificates, wall efficiency went from Poor to Average, roof efficiency went from Good to Very Good and hot-water efficiency went from Very Poor to Average. The recommended improvements would push it to A (score 110). Main heating runs on oil. The property has solar panels on record, all of which lower running costs and tend to lift resale appeal. Records show the property has been extended at some point in its history.
Sale prices here have outpaced Norwich HPI: 9.3% per year against 0% for the wider region. On a £-per-square-foot basis, the last sale (£302/sq ft) was about 54.3% above the typical sold price in the postcode. At 129 m² the property is well over the postcode median (87 m² across 11 EPCs), placing it in the larger end of the local stock. On energy efficiency it sits in the top 10% of properties in this postcode. One planning record on file: a loft conversion approved in 2019. Past consents include a loft conversion, meaningful when judging how the property has evolved. Sold January 2024 for £420,000.
The Signal Box ranks among the most efficient homes in the postcode for energy use.
Proposed loft conversion
Latest sale on The Signal Box was the highest on Land Registry record across the postcode.
£436,000
Modelled from EPC, postcode comparables and a sale-price growth of 9.3% per year over 21 years.
£420,000
Growth on file: 9.3% per year over 21 years.
On epc rating, The Signal Box stands well clear of the street.
Price per m²
£3,256
Street avg £3,322
Floor Area
129 m²
Street avg 94 m²
Habitable Rooms
6 rooms
Street avg 4 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
1.2 km

Daytime· 07:00 – 23:00
43.0dB

Changes detected from historical EPC data
Upgraded to gas central heating
Fuel source changed
Heating controls upgraded for better temperature management
Hot water system upgraded
Cavity wall insulation installed
Roof insulation improved
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
2 January 2024Most recent
£420,000
+180.1%over 8 years14 August 2015
£149,950
+130.7%over 12 years17 January 2003
£65,000
Median price across the last 5 sales in NR16 1RB: £315,000 (2024–2023).
CO₂ Emissions
2.1 t/year
Street avg 5.5 t/year
NR16 1BT
Bunwell Primary School. 3 schools nearby.
Night-time· 23:00 – 07:00
36.0dB
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