20 Ash Lane, Monmouth, NP25 5FJ
About 20 Ash Lane
20 Ash Lane is a four-bedroom semi-detached house in Monmouth (NP25 5FJ). It has a recorded floor area of 104 m² (around 1119 sq ft), construction records dating it to 1967-1975 and council tax band D. The latest certificate (July 2013) shows a D (score 61), on the cusp of jumping into the C band. Earlier certificates rated it C (March 2011); the latest reading is one band lower. Between certificates, lighting went from Average to Good; while wall efficiency dropped from Good to Poor and hot-water efficiency dropped from Very Good to Good. The recommended improvements would push it to C (score 74). The latest certificate is from July 2013, so improvements made since then won't be reflected.
At 104 m² it's 25.3% larger than the typical home in the postcode (83 m² median across 15 EPCs). On the market in October 2014 and unlisted since — roughly 12 years. Across 1999–2014, sale prices on this property compounded at 7.5% per year. Today's modelled estimate of £284,000 is 31.8% above the 2014 sale price. One historical planning record sits against the property in 2005.
Know exactly what you're buying at 20 Ash Lane
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
Already flagged here
Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
What this property has
Inside
- Bedrooms4
Energy performance
20 Ash Lane's EPC is over a decade old — improvements since won't be reflected.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 30 Jul 2023
EPC Rating
Planning history
- Jun 2005OutbuildingFullIn report
Proposed Rebuild Of Existing Garage With Bedroom Above.
- Documents
- 7 docs on file
- Reference
- M11594
We flagged 1 thing worth checking at 20 Ash Lane
Independent checks surfaced things a buyer would want to understand before offering. The report explains each one in full, with the underlying data and what to ask.
- Larger development activity nearby
30-day money-back guarantee
Sales history & valuation
20 Ash Lane has more than tripled in price since its earliest registered sale in 1999.
£284,000
Modelled from EPC, postcode comparables and a sale-price growth of 7.5% per year over 15 years.
£215,500
Growth on file: 7.5% per year over 15 years.
Sales timeline
23 October 2014Most recent
£215,500
+10.5%over 2 years24 February 2012
£195,000
+176.6%over 12 years6 May 1999
£70,500
Median price across the last 5 sales in NP25 5FJ: £217,000 (2021–2019).
Everything we know about 20 Ash Lane, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
What we flagged
- Larger development activity nearby

Versus other Ash Lane homes
CO₂ Emissions for 20 Ash Lane lags the street by a wide margin.
Price per m²
£2,072
Street avg £2,176
Floor Area
104 m²
Street avg 87 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
CO₂ Emissions
4.2 t/year
Street avg 3.1 t/year
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The neighbourhood at a glance
Crime
1/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Ash Lane — bus stop.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.