12a, Haystone Place, Plymouth, PL1 5DU
About 12a
12a is a detached house in Plymouth (PL1 5DU). It has a recorded floor area of 44 m² (around 474 sq ft) and construction records dating it to 1900-1929. The latest certificate (May 2026) shows a D (score 57), a step below the typical UK home. When first surveyed in December 2008 the rating was E, the property has climbed 1 band since. Between certificates, wall efficiency went from Very Poor to Poor and lighting went from Average to Good; while hot-water efficiency dropped from Very Good to Good and main heating dropped from Very Good to Good. The recommended improvements would push it to C (score 73). This certificate was lodged in the last six months, so the rating reflects current condition.
Across 2001–2017, sale prices on this property compounded at 11.6% per year. On a £-per-square-foot basis, the last sale (£310/sq ft) was about 138% above the typical sold price in the postcode. On the market in May 2017 and unlisted since — roughly 9 years. At 44 m² it's 25.4% smaller than the typical home in the postcode (59 m² median across 17 EPCs).
Energy performance
The EPC has just been inspected, so the rating reflects current condition.
EPC Rating
Certificate validity
Valid until 30 May 2036
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Hot water efficiency decreased
More low energy lighting installed
Wall insulation improved
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919 and has solid (non-cavity) walls, we believe a Level 3 building survey should be considered.
From £820 · Includes VAT
Planning history
12a has no planning applications on record.
But the area is active
37 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
12a has more than quadrupled in price since its earliest registered sale in 2001.
£143,000
Modelled from EPC, postcode comparables and a sale-price growth of 11.6% per year over 16 years.
£147,000
Growth on file: 11.6% per year over 16 years.
Sales timeline
24 May 2017Most recent
£147,000
+488.0%over 16 years29 March 2001
£25,000
Median price across the last 5 sales in PL1 5DU: £171,000 (2025–2021).
Nearby sales in PL1 5DU
Versus other Haystone Place homes
EPC Rating for 12a lags the street by a wide margin.
Price per m²
£3,341
Street avg £2,989
Floor Area
44 m²
Street avg 60 m²
Habitable Rooms
2 rooms
Street avg 3 rooms
CO₂ Emissions
2.7 t/year
Street avg 2.8 t/year
Similar properties nearby
The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
521/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Arundel Crescent — bus stop.
Closest school
0.3 km
The Cathedral School of St Mary. 38 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
52.6dB

Night-time· 23:00 – 07:00
42.2dB







