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Get started23 Merton Green is a six-bedroom detached house in Caerwent, Caldicot, Caldicot (NP26 5AT). It has a recorded floor area of 230 m² (around 2476 sq ft) and construction records dating it to 2012-2021. The latest certificate (December 2025) shows a C (score 80), near the top of the C band. Earlier certificates rated it B (January 2012); the latest reading is one band lower. Between certificates, roof efficiency went from Good to Very Good; while window efficiency dropped from Very Good to Poor and lighting dropped from Average to Poor. The recommended improvements would push it to B (score 83). This certificate was lodged in the last six months, so the rating reflects current condition.
At 230 m² the property is well over the postcode median (158 m² across 42 EPCs), placing it in the larger end of the local stock. 6 bedrooms is on the larger side for this postcode, where 4 is the typical count. Today's modelled estimate of £699,000 sits 55.3% above the 2013 sale of £450,000. One planning record on file: a garage conversion approved in 2017. Past consents include a garage conversion, meaningful when judging how the property has evolved. 13 years since the last transfer (September 2013).
The EPC has just been inspected, so the rating reflects current condition.
To convert existing garage into a gym, store, media and office space. With added roof lights and bi-fold doors.
23 Merton Green valuation sits well clear of the typical sold price in this postcode.
£699,000
Modelled from EPC, postcode comparables.
£450,000
Recorded with HM Land Registry.
23 Merton Green outperforms the street on floor area by a wide margin.
Price per m²
£1,957
Street avg £2,308
Floor Area
230 m²
Street avg 162 m²
Habitable Rooms
10 rooms
Crime
1/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Llanvair Road — bus stop.
Changes detected from historical EPC data
Heating controls changed
Wall insulation upgraded
Loft insulation upgraded to recommended levels
Are we missing something? Tell us about home improvements to help adjust your valuation.
27 September 2013Most recent
£450,000
Median price across the last 5 sales in NP26 5AT: £420,000 (2023–2021).
Street avg 8 rooms
CO₂ Emissions
4.0 t/year
Street avg 3.1 t/year
NP26 5UW
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