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Get started18 Elm Avenue is a semi-detached house in Undy, Caldicot, Caldicot (NP26 3EX). It has a recorded floor area of 69 m² (around 743 sq ft), construction records dating it to 1950-1966 and council tax band B. The latest certificate (April 2025) returns an A (score 95), the top energy band on the EPC scale. When first surveyed in March 2012 the rating was D, the property has climbed 3 bands since. Between certificates, wall efficiency went from Very Poor to Good, window efficiency went from Average to Good and lighting went from Good to Very Good. At 69 m² this is the 6th smallest of 19 units on EPC record in the building, where floor areas span 46–117 m². The building's EPC ratings span E to A, with this unit at the top.
Its energy rating outperforms most of the postcode (better than 89% of similar EPCs).
18 Elm Avenue's carbon output is low for the local stock.
18 Elm Avenue has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£179,000
Modelled from EPC, postcode comparables.
That can mean the property has never traded since the registry began publishing in 1995, was a new build that hasn't been registered yet, or is held in the same hands long-term.
On floor area, 18 Elm Avenue runs well behind the street norm.
EPC Rating
95 (A)
Street avg 86 (B)
Floor Area
69 m²
Street avg 76 m²
CO₂ Emissions
0.3 t/year
Street avg 1.6 t/year
Crime
1/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Elm Avenue — bus stop.
Changes detected from historical EPC data
Window efficiency improved
Wall insulation improved
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
Median price across the last 5 sales in NP26 3EX: £245,000 (2022–2015).
Habitable Rooms
3 rooms
Street avg 3 rooms