19 Elm Avenue, Undy, Caldicot, NP26 3EX

19 Elm Avenue is a two-bedroom semi-detached house in Undy, Caldicot, Caldicot (NP26 3EX). It has a recorded floor area of 84 m² (around 904 sq ft), construction records dating it to 1950-1966 and council tax band B. Tenure is freehold. The latest certificate (February 2026) shows a D (score 68), on the cusp of jumping into the C band. When first surveyed in August 2023 the rating was E, the property has climbed 1 band since. Between certificates, wall efficiency went from Very Poor to Good and lighting went from Good to Very Good; while window efficiency dropped from Average to Poor. The recommended improvements would push it to C (score 70). This certificate was lodged in the last six months, so the rating reflects current condition. At 84 m² this is the 12th 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 across 19 units on file.

Untraded for 18 years, with the last transfer in May 2008. That sale landed at the peak of the pre-credit-crunch market, which is a useful reference point when interpreting the price. Sale prices here have outpaced England HPI: 3.8% per year against 0% for the wider region. Today's modelled estimate of £169,000 is 31% above the 2008 sale price. On a £-per-square-foot basis, the last sale (£143/sq ft) was about 50.9% below the postcode norm. One planning record on file: an extension approved in 2004. Past consents include an extension and a conservatory, meaningful when judging how the property has evolved. It lags the bulk of the postcode on energy efficiency (less efficient than 72% of similar EPCs).