15a, Castle Street, Barnstaple, EX31 1DR
About 15a
15a is a mid-terrace house in Barnstaple (EX31 1DR). It has a recorded floor area of 50 m² (around 538 sq ft), construction records dating it to before 1900 and council tax band A. At 50 m² this is the 6th smallest of 9 units on EPC record in the building, where floor areas span 33–59 m². The building's EPC ratings span D to C, with this unit at the top. On EPC score it ranks first in the building (74 versus a worst of 57). The latest certificate (April 2024) shows a C (score 74). When first surveyed in September 2009 the rating was E, the property has climbed 2 bands since. Between certificates, wall efficiency went from Very Poor to Poor, window efficiency went from Average to Good and hot-water efficiency went from Very Poor to Good.
At 50 m² it's 15.5% larger than the typical home in the postcode (43 m² median across 8 EPCs). Its energy rating outperforms most of the postcode (better than 75% of similar EPCs).
Know exactly what you're buying at 15a
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
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Replaced storage heaters with gas boiler
Connected to mains gas supply
Heating controls upgraded for better temperature management
Hot water system upgraded
Window efficiency improved
Wall insulation improved
Planning history
15a has no planning applications on record.
Notable planning nearby
9applications of note in the surrounding area
We flagged 2 things worth checking at 15a
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.
- Signs of HMO activity in the area
- Larger development activity nearby
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Sales history & valuation
15a has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£137,000
Modelled from EPC, postcode comparables.
No sales recorded with HM Land Registry
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.
Median price across the last 5 sales in EX31 1DR: £100,000 (2022–2021).
Nearby sales in EX31 1DR
Flat 2, 17 Castle Street, Barnstaple, EX31 1DR
Sold Sept 2022
£130,000Flat 1, 17 Castle Street, Barnstaple, EX31 1DR
Sold Sept 2022
£90,000Flat 6, 17 Castle Street, Barnstaple, EX31 1DR
Sold Jan 2022
£125,000Flat 7, 17 Castle Street, Barnstaple, EX31 1DR
Sold Jan 2021
£100,000Flat 5, 17 Castle Street, Barnstaple, EX31 1DR
Sold Jan 2021
£100,000
Everything we know about 15a, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
What we flagged
- Signs of HMO activity in the area
- Larger development activity nearby

Versus other Castle Street homes
EPC Rating for 15a runs comfortably ahead of the street norm.
EPC Rating
74 (C)
Street avg 64 (D)
Floor Area
50 m²
Street avg 46 m²
CO₂ Emissions
1.6 t/year
Street avg 2.6 t/year
Habitable Rooms
2 rooms
Street avg 2 rooms
Similar properties nearby
The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
2/mo
Steady year-on-year across the wider district.
Nearest stop
0.3 km
Queens Theatre — bus stop.
Closest school
0.7 km
Yeo Valley Primary School. 13 schools nearby.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.
Road noise across the postcode

Daytime· 07:00 – 23:00
54.5dB

Night-time· 23:00 – 07:00
44.5dB