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Get startedHawthorn Cottage is a four-bedroom detached house in Frettenham, Norwich, Norwich (NR12 7LQ). It has a recorded floor area of 238 m² (around 2562 sq ft), construction records dating it to 1900-1929 and council tax band E. The latest certificate (November 2020) shows an E (score 47), well below the UK norm with real room to improve. Earlier certificates rated it D (March 2018); the latest reading is one band lower. Between certificates, wall efficiency went from Very Poor to Poor; while roof efficiency dropped from Good to Very Poor and window efficiency dropped from Good to Average. The recommended improvements would lift it to C (score 77), a 2-band jump. Main heating runs on oil. Other recorded features include outbuildings. Period features are noted in the property record. Records show the property has been extended at some point in its history.
Held since May 2005 — that's 21 years off the open market, well above the local norm. At 238 m² the property is well over the postcode median (112 m² across 19 EPCs), placing it in the larger end of the local stock. Today's modelled estimate of £621,000 sits 134.3% above the 2005 sale of £265,000. On a £-per-square-foot basis, the last sale (£103/sq ft) was about 54.2% below the postcode norm. 4 planning records sit against the property, 4 approved, 0 refused. Past consents include a loft conversion and an extension, meaningful when judging how the property has evolved.
Hawthorn Cottage's carbon output runs well above what efficient homes in the postcode produce.
Planning history includes both a loft conversion and an extension — the classic family-home expansion.
Non-material amendment of permission 20191013 - to change proposed materials and finishes to red brick to match existing building To increase internal width from 2.5m to 2.7m To increase internal length from 4.2m to 4.9m To add external door to south east elevation To add a velux roof light to south west elevation
Hawthorn Cottage valuation sits well clear of the typical sold price in this postcode.
£621,000
Modelled from EPC, postcode comparables.
£265,000
Recorded with HM Land Registry.
Hawthorn Cottage is notably below the street on price per m².
Price per m²
£1,113
Street avg £2,541
Floor Area
238 m²
Street avg 114 m²
Habitable Rooms
8 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
0.2 km

Daytime· 07:00 – 23:00
44.4dB

Changes detected from historical EPC data
Wall insulation improved
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Conversion of Roofspace of Side Elevation to Create First Floor Living Space
2 more applications for this property
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12 May 2005Most recent
£265,000
Median price across the last 5 sales in NR12 7LQ: £280,000 (2025–2021).
Street avg 5 rooms
CO₂ Emissions
13.0 t/year
Street avg 5.2 t/year
NR12 7DD
Frettenham Primary School. 4 schools nearby.
Night-time· 23:00 – 07:00
36.3dB
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