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Get startedFolly Cottage is a three-bedroom semi-detached house in Erpingham, Norwich, Norwich (NR11 7AD). It has a recorded floor area of 79 m² (around 850 sq ft), construction records dating it to 1930-1949 and council tax band B. The latest certificate (November 2017) shows an E (score 42), well below the UK norm with real room to improve. When first surveyed in April 2013 the rating was F, the property has climbed 1 band since. Between certificates, wall efficiency went from Very Poor to Good and roof efficiency went from Average to Good; while hot-water efficiency dropped from Average to Poor and main heating dropped from Average to Poor. The recommended improvements would lift it to B (score 85), a 3-band jump. Main heating runs on oil. Other recorded features include notable views. Period features are noted in the property record.
Sale prices here have outpaced Norwich HPI: 9.5% per year against 0% for the wider region. Today's modelled estimate of £295,000 is 19.2% above the 2018 sale price. On a £-per-square-foot basis, the last sale (£291/sq ft) was about 79% above the typical sold price in the postcode. At 79 m² it sits well below the postcode median (132 m² across 11 EPCs), making it one of the more compact homes locally. Last changed hands 8 years ago, in March 2018. Across the public record there are 5 sales, relatively high churn for a single property. One planning record on file: an extension approved in 2024. Past consents include an extension, meaningful when judging how the property has evolved.
Folly Cottage's carbon output runs well above what efficient homes in the postcode produce.
Folly Cottage has an approved single-storey rear extension on the planning record.
Extension: Single storey · Rear of property
Single storey rear extension to dwelling
Price for Folly Cottage has grown more than fourfold since the 1997 starting point.
£295,000
Modelled from EPC, postcode comparables and a sale-price growth of 9.5% per year over 21 years.
£247,500
Growth on file: 9.5% per year over 21 years.
Folly Cottage is notably below the street on habitable rooms.
Price per m²
£3,133
Street avg £1,943
Floor Area
79 m²
Street avg 125 m²
Habitable Rooms
5 rooms
Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.
Crime
3/mo
Steady year-on-year across the wider district.
Closest school
0.4 km

Daytime· 07:00 – 23:00
44.5dB

Changes detected from historical EPC data
Hot water efficiency decreased
Wall insulation improved
Roof insulation improved
Low energy lighting percentage decreased
Cavity wall insulation installed
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
26 March 2018Most recent
£247,500
+52.8%over 4 years4 October 2013
£162,000
+11.7%over 9 years13 November 2003
£145,000
+68.6%over 3 years1 September 2000
£86,000
+134.0%over 3 years7 March 1997
£36,750
Median price across the last 5 sales in NR11 7AD: £410,000 (2025–2020).
Street avg 7 rooms
CO₂ Emissions
6.2 t/year
Street avg 6.6 t/year
NR11 7EA
Erpingham Voluntary Controlled Church of England Primary School. 2 schools nearby.
Night-time· 23:00 – 07:00
36.7dB
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