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Get startedKnollbury is a semi-detached house in Undy, Caldicot, Caldicot (NP26 3BX). It has a recorded floor area of 196 m² (around 2110 sq ft) and construction records dating it to 1900-1929. The latest certificate (November 2017) shows an E (score 41), well below the UK norm with real room to improve. When first surveyed in February 2009 the rating was F, the property has climbed 1 band since. Between certificates, window efficiency went from Poor to Average and lighting went from Good to Very Good. The recommended improvements would lift it to C (score 72), a 2-band jump. Main heating runs on oil.
Held since January 1998 — that's 28 years off the open market, well above the local norm. Only one transfer is on record with HM Land Registry, suggesting it has stayed in the same hands for a long time. At 196 m² the property is well over the postcode median (147 m² across 6 EPCs), placing it in the larger end of the local stock. Today's modelled estimate of £491,000 sits 270.6% above the 1998 sale of £132,500. On a £-per-square-foot basis, the last sale (£63/sq ft) was about 73.9% below the postcode norm.
Knollbury's carbon output runs well above what efficient homes in the postcode produce.
Knollbury's estimated value is more than triple its earliest registered sale price (1998).
£491,000
Modelled from EPC, postcode comparables.
£132,500
Recorded with HM Land Registry.
Knollbury is notably below the street on habitable rooms.
EPC Rating
41 (E)
Street avg 45 (E)
Floor Area
196 m²
Street avg 158 m²
CO₂ Emissions
11.8 t/year
Street avg 10.2 t/year
Crime
1/mo
Steady year-on-year across the wider district.
Nearest stop
0.5 km
Dancing Close — bus stop.
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Hot water system upgraded
Windows upgraded, improving insulation
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
16 January 1998Most recent
£132,500
Median price across the last 5 sales in NP26 3BX: £365,000 (2023–2008).
Habitable Rooms
5 rooms
Street avg 7 rooms
NP26 3NF
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