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Get started21 Seymour Avenue is a detached house in Penhow, Caldicot, Caldicot (NP26 3AG). It has a recorded floor area of 208 m² (around 2239 sq ft), construction records dating it to 1967-1975 and council tax band G. The latest certificate (September 2017) shows a C (score 71). The recommended improvements would lift it to A (score 93), a 2-band jump.
At 208 m² the property is well over the postcode median (149 m² across 20 EPCs), placing it in the larger end of the local stock. 3 planning records sit against the property, 3 approved, 0 refused. Past consents include an extension, meaningful when judging how the property has evolved.
21 Seymour Avenue's carbon output runs well above what efficient homes in the postcode produce.
Extension: Single storey
PROPOSED FIRST FLOOR FRONT EXTENSION OVER EXISTING GARAGE INCLUDING ALTERATIONS TO ROOF, NEW WINDOWS, NEW JULIETTE BALCONY TO FRONT ELEVATION AND EXTENSION TO EXISTING REAR BALCONY
21 Seymour Avenue has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£567,000
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.
Floor Area for 21 Seymour Avenue runs comfortably ahead of the street norm.
EPC Rating
71 (C)
Street avg 67 (D)
Floor Area
208 m²
Street avg 149 m²
CO₂ Emissions
6.0 t/year
Crime
1/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Greenmeadow Close — bus stop.
Extension: Single storey · Front of property
PROPOSED FIRST FLOOR FRONT EXTENSION OVER EXISTING GARAGE INCLUDING ALTERATIONS TO ROOF, NEW WINDOWS, NEW FIRST FLOOR SIDE ACCESS, NEW JULIETTE BALCONY TO FRONT ELEVATION AND EXTENSION TO EXISTING REAR BALCONY (RESUBMISSION OF 21/0510)
1 more application for this property
Join to see all planning history.
Median price across the last 5 sales in NP26 3AG: £495,000 (2025–2022).
7 Seymour Avenue Parc Seymour Penhow Caldicot
Sold Apr 2025
13 Seymour Avenue Parc Seymour Penhow Caldicot
Sold Dec 2022
6 Seymour Avenue Parc Seymour Penhow Caldicot
Sold Mar 2022
30 Seymour Avenue Parc Seymour Penhow Caldicot
Sold Mar 2022
34 Seymour Avenue Parc Seymour Penhow Caldicot
Sold Feb 2022
Street avg 4.9 t/year
Habitable Rooms
6 rooms
Street avg 6 rooms
NP26 3PB