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Get started23 Dereham Road is a six-bedroom detached house in Mattishall, Dereham, Dereham (NR20 3AA). It has a recorded floor area of 273 m² (around 2939 sq ft) and construction records dating it to 1950-1966. The latest certificate (September 2014) shows a C (score 71). When first surveyed in June 2009 the rating was E, the property has climbed 2 bands since. Between certificates, window efficiency went from Average to Good, hot-water efficiency went from Average to Good and lighting went from Very Poor to Poor. Main heating runs on oil. The latest certificate is from September 2014, so improvements made since then won't be reflected.
Sale prices here have outpaced England HPI: 8.9% per year against 0% for the wider region. Today's modelled estimate of £596,000 sits 86.3% above the 2011 sale of £320,000. On a £-per-square-foot basis, the last sale (£109/sq ft) was about 31.9% below the postcode norm. At 273 m² the property is well over the postcode median (111 m² across 5 EPCs), placing it in the larger end of the local stock. Its energy rating outperforms most of the postcode (better than 80% of similar EPCs). 6 bedrooms is on the larger side for this postcode, where 4 is the typical count. Last changed hands 15 years ago, in September 2011.
23 Dereham Road'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This certificate is over 10 years old and is no longer valid.Expired 24 Sept 2024
Sale price has at least doubled since 2000.
£596,000
Modelled from EPC, postcode comparables and a sale-price growth of 8.9% per year over 11 years.
£320,000
Growth on file: 8.9% per year over 11 years.
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Detailed AI analysis
Price per m² for 23 Dereham Road lags the street by a wide margin.
Price per m²
£1,172
Street avg £1,924
Floor Area
273 m²
Street avg 129 m²
Habitable Rooms
9 rooms
Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.
Crime
1/mo
Steady year-on-year across the wider district.
Closest school
0.1 km

Daytime· 07:00 – 23:00
44.7dB

Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Hot water efficiency improved
Windows upgraded, improving insulation
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
30 September 2011Most recent
£320,000
+166.7%over 11 years31 March 2000
£120,000
Median price across the last 5 sales in NR20 3AA: £220,000 (2021–2006).
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Street avg 5 rooms
CO₂ Emissions
7.4 t/year
Street avg 6.0 t/year
NR20 3TB
Mattishall Primary School. 2 schools nearby.
Night-time· 23:00 – 07:00
36.5dB