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Get started17 Elm Avenue is a semi-detached house in Undy, Caldicot, Caldicot (NP26 3EX). It has a recorded floor area of 72 m² (around 775 sq ft), construction records dating it to 1950-1966 and council tax band B. The latest certificate (February 2026) returns an A (score 95), the top energy band on the EPC scale. When first surveyed in April 2012 the rating was C, the property has climbed 2 bands since. Between certificates, wall efficiency went from Very Poor to Good and roof efficiency went from Good to Very Good; while window efficiency dropped from Average to Very Poor and lighting dropped from Very Good to Poor. This certificate was lodged in the last six months, so the rating reflects current condition. At 72 m² this is the 7th 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.
One planning record on file: solar panel installation approved in 2023. Past consents include solar panel installation, meaningful when judging how the property has evolved. Its energy rating outperforms most of the postcode (better than 89% of similar EPCs).
17 Elm Avenue's carbon output is low for the local stock.
Planning records include a solar-panel installation at 17 Elm Avenue.
Improvement works to building facade, application of external wall insulation to improve energy efficiency. PV panels to roof. Replacement steps and windows.
17 Elm Avenue has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£175,000
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 epc rating, 17 Elm Avenue stands well clear of the street.
EPC Rating
95 (A)
Street avg 86 (B)
Floor Area
72 m²
Street avg 75 m²
CO₂ Emissions
1.2 t/year
Street avg 1.3 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
Roof insulation improved
Low energy lighting percentage decreased
Window efficiency improved
Wall insulation improved
More low energy lighting installed
Low energy lighting percentage decreased
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