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Get started18 St Marys Place is a detached house in Portskewett, Caldicot, Caldicot (NP26 5UD). It has a recorded floor area of 47 m² (around 506 sq ft), construction records dating it to 1950-1966 and council tax band B. The latest certificate (May 2025) returns an A (score 101), the top energy band on the EPC scale. When first surveyed in February 2011 the rating was C, the property has climbed 2 bands since. Between certificates, wall efficiency went from Very Poor to Very Good, roof efficiency went from Good to Very Good and window efficiency went from Average to Good. At 47 m² this is the smallest unit on EPC record across the building (47–91 m²). The building's EPC ratings span B to A, with this unit at the top.
For a compact home of this size, this rating sits in the top tier locally.
EPC Rating for 18 St Marys Place runs comfortably ahead of the street norm.
EPC Rating
101 (A)
Street avg 97 (A)
Floor Area
47 m²
Street avg 47 m²
CO₂ Emissions
-0.4 t/year
Crime
1/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Arthur`s Court — bus stop.
Changes detected from historical EPC data
Window efficiency improved
Wall insulation improved
Loft insulation upgraded to recommended levels
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
Street avg -0.1 t/year
Habitable Rooms
2 rooms
Street avg 2 rooms
NP26 5SD