Flat, 21 High Street, Poole, BH15 1AB
About Flat
Flat is a detached house in Poole (BH15 1AB). It has a recorded floor area of 88 m² (around 947 sq ft) and construction records dating it to 1967-1975. The latest certificate (July 2020) returns a B (score 83), comfortably above the UK average. When first surveyed in March 2014 the rating was F, the property has climbed 4 bands since. Between certificates, wall efficiency went from Poor to Very Good, roof efficiency went from Very Poor to Good and window efficiency went from Average to Very Good. At 88 m² this is the 6th smallest of 15 units on EPC record in the building, where floor areas span 44–149 m². The building's EPC ratings span E to B, with this unit at the top.
Energy performance
Flat's carbon output is low for the local stock.
EPC Rating
Certificate validity
Valid until 1 July 2030
Property Improvements
Changes detected from historical EPC data
Heating system upgraded to a more efficient system
Hot water system upgraded
High performance glazing installed
Cavity wall insulation installed
Roof insulation improved
More low energy lighting installed
Get a survey for this property
Level 2 HomeBuyer Report
We've checked 10 risk factors against the available data for this property and believe a Level 2 HomeBuyer Report could be a suitable option for you.
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Planning history
Flat has no planning applications on record.
But the area is active
6 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
Flat has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£451,000
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 BH15 1AB: £575,000 (2025–2022).
Nearby sales in BH15 1AB
Versus other High Street homes
EPC Rating
83 (B)
Street avg 75 (C)
Floor Area
88 m²
Street avg 96 m²
CO₂ Emissions
0.9 t/year
Street avg 2.1 t/year
Similar properties nearby
134b, Flat 6, High Street
BH15 1DN
29 33, Flat 1, Market Street
BH15 1NB
134b, Flat 3, High Street
BH15 1DN
29 33, Flat 3, Market Street
BH15 1NB
Altitude, Flat 1, Seldown Lane
BH15 1EU
29 33, Flat 5, Market Street
BH15 1NB
134b, Flat 4, High Street
BH15 1DN
96a, Flat B, High Street
BH15 1DB
The neighbourhood at a glance
Crime
230/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Poole Museum — bus stop.
Closest school
0.5 km
Old Town Infant School and Nursery. 12 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
50.3dB

Night-time· 23:00 – 07:00
41.4dB







