Flat 5, 21 St Marys Close, Stockport, SK1 4BT
About Flat 5
Flat 5 is a semi-detached house in Stockport (SK1 4BT). It has a recorded floor area of 51 m² (around 549 sq ft), construction records dating it to 1991-1995 and council tax band A. At 51 m² this is the smallest unit on EPC record across the building (51–55 m²). The latest certificate (May 2016) shows a C (score 77), near the top of the C band. The rating has held steady at C across 2 certificates since March 2016. Between certificates, wall efficiency went from Poor to Good. The latest certificate is from May 2016, so improvements made since then won't be reflected.
It hasn't traded since July 2006, a hold of 20 years that's notably long for the area. Across 2003–2006, sale prices on this property compounded at 11.6% per year. Today's modelled estimate of £120,000 sits 84.6% above the 2006 sale of £65,000.
Know exactly what you're buying at Flat 5
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
Launch offer · save £5
Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
Energy performance
Flat 5's carbon output is low for the local stock.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 08 May 2026
EPC Rating
Property Improvements
Changes detected from historical EPC data
Cavity wall insulation installed
Planning history
Flat 5 has no planning applications on record.
The full report still covers planning activity across the surrounding area.
Sales history & valuation
Flat 5 valuation sits well clear of the typical sold price in this postcode.
£120,000
Modelled from EPC, postcode comparables and a sale-price growth of 11.6% per year over 3 years.
£65,000
Growth on file: 11.6% per year over 3 years.
Sales timeline
20 July 2006Most recent
£65,000
+41.3%over 3 years27 May 2003
£46,000
Median price across the last 5 sales in SK1 4BT: £115,000 (2025–2020).
Nearby sales in SK1 4BT
Flat 6, 20 St Marys Close, Stockport, SK1 4BT
Sold Jul 2025
£67,50011 St Marys Close, Stockport, SK1 4BT
Sold Mar 2024
£115,000Flat 6, 19 St Marys Close, Stockport, SK1 4BT
Sold Feb 2024
£120,000Flat 5, 19 St Marys Close, Stockport, SK1 4BT
Sold Jan 2024
£125,000Flat 2, 20 St Marys Close, Stockport, SK1 4BT
Sold Sept 2020
£115,000
Everything we know about Flat 5, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
- Am I paying too much?
- Is something wrong with it?
- Is the agent's story true?
- Will it hold its value?

Versus other St Marys Close homes
On years held, Flat 5 stands well clear of the street.
Price per m²
£1,275
Street avg £1,376
Floor Area
51 m²
Street avg 50 m²
Habitable Rooms
3 rooms
Street avg 3 rooms
CO₂ Emissions
1.4 t/year
Street avg 1.6 t/year
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The neighbourhood at a glance
Crime
1/mo
Steady year-on-year across the wider district.
Nearest stop
0.0 km
St Mary's Way — bus stop.
Closest school
0.3 km
Vernon Park Primary School. 40 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
57.1dB

Night-time· 23:00 – 07:00
46.5dB