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Get startedHolly Bank House is a detached house in Syleham, Eye, Eye (IP21 4LT). It has a recorded floor area of 129 m² (around 1389 sq ft) and construction records dating it to before 1900. The latest certificate (February 2015) shows an F (score 33), near the bottom of the EPC scale. The recommended improvements would lift it to C (score 75), a 3-band jump. Main heating runs on oil. The latest certificate is from February 2015, so improvements made since then won't be reflected.
On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Sale prices here have lagged England HPI: -90.1% per year against 0% for the wider region. Today's modelled estimate of £437,000 sits 5362.5% above the 2017 sale of £8,000. On a £-per-square-foot basis, the last sale (£6/sq ft) was about 96.8% below the postcode norm. One planning record on file: an extension approved in 2021. Past consents include an extension, meaningful when judging how the property has evolved. On the market in June 2017 and unlisted since — roughly 9 years.
Holly Bank House sits at the bottom of the postcode for energy efficiency — meaningful headroom to improve.
This certificate is over 10 years old and is no longer valid.Expired 13 Feb 2025
Holly Bank House has an approved single-storey rear extension on the planning record.
Extension: Single storey · Rear of property
Householder Application - Erection of single storey rear extension
Latest sale on Holly Bank House was the lowest on Land Registry record across the postcode.
£437,000
Modelled from EPC, postcode comparables and a sale-price growth of -90.1% per year over 2 years.
£8,000
Growth on file: -90.1% per year over 2 years.
On price per m², Holly Bank House runs well behind the street norm.
Price per m²
£62
Street avg £2,674
Floor Area
129 m²
Street avg 139 m²
Habitable Rooms
6 rooms
Street avg 6 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.
Nearest stop
0.2 km
Weybread Road — bus stop.

Daytime· 07:00 – 23:00
43.2dB

6 June 2017Most recent
£8,000
-97.2%over 1 year18 November 2015
£290,000
Median price across the last 5 sales in IP21 4LT: £450,000 (2025–2022).
CO₂ Emissions
10.0 t/year
Street avg 7.4 t/year
IP21 4SS
Night-time· 23:00 – 07:00
35.8dB
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