Flat 21, 18 Horn Cross Road, Plymouth, PL9 9UD
About Flat 21
Flat 21 is a mid-terrace house in Plymouth (PL9 9UD). It has a recorded floor area of 69 m² (around 743 sq ft), construction records dating it to 2003-2006 and council tax band A. At 69 m² this is the 54th smallest of 62 units on EPC record in the building, where floor areas span 40–75 m². The building's EPC ratings span C to B, with this unit at the bottom. The latest certificate (August 2021) shows a C (score 77), near the top of the C band. The rating has held steady at C across 3 certificates since November 2008. Between certificates, lighting went from Very Poor to Very Good; while hot-water efficiency dropped from Average to Poor and main heating dropped from Poor to Very Poor. Main heating runs on electricity.
It hasn't traded since August 2003, a hold of 23 years that's notably long for the area. At 69 m² the property is well over the postcode median (50 m² across 61 EPCs), placing it in the larger end of the local stock. Today's modelled estimate of £186,000 is 19.3% above the 2003 sale price.
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating system changed
Heating controls upgraded for better temperature management
Hot water system changed
Floor insulation added or improved
More low energy lighting installed
Get a survey for this property
Level 3 Building Survey
Because the property has no mains gas supply, we believe a Level 3 building survey should be considered.
From £820 · Includes VAT
Planning history
Flat 21 has no planning applications on record.
A planning report still maps activity across the surrounding area and reads this property's extension & conversion potential.
Sales history & valuation
Flat 21 valuation sits well clear of the typical sold price in this postcode.
£186,000
Modelled from EPC, postcode comparables.
£155,950
Recorded with HM Land Registry.
Sales timeline
7 August 2003Most recent
£155,950
Median price across the last 5 sales in PL9 9UD: £145,000 (2025–2024).
Nearby sales in PL9 9UD
Flat 2, 18 Horn Cross Road, Plymouth, PL9 9UD
Sold Oct 2025
£190,000Flat 5, 18 Horn Cross Road, Plymouth, PL9 9UD
Sold Aug 2025
£150,000Flat 11, 18 Horn Cross Road, Plymouth, PL9 9UD
Sold Jun 2025
£145,000Flat 26, 18 Horn Cross Road, Plymouth, PL9 9UD
Sold Apr 2025
£125,000Flat 8, 18 Horn Cross Road, Plymouth, PL9 9UD
Sold Oct 2024
£145,000
Versus other Horn Cross Road homes
Years Held for Flat 21 runs comfortably ahead of the street norm.
Price per m²
£2,260
Street avg £2,545
Floor Area
69 m²
Street avg 53 m²
Habitable Rooms
3 rooms
Street avg 2 rooms
CO₂ Emissions
2.1 t/year
Street avg 2.0 t/year
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The neighbourhood at a glance
Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.
Crime
1/mo
Steady year-on-year across the wider district.
Nearest stop
0.0 km
Maple Court — bus stop.
Closest school
0.3 km
Plymstock School. 10 schools nearby.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.
Road noise across the postcode

Daytime· 07:00 – 23:00
48.5dB

Night-time· 23:00 – 07:00
37.9dB







