28a, St Johns Park, Greenwich, London, SE3 7JH
About 28a
28a is a five-bedroom detached house in Greenwich, London, London (SE3 7JH). It has a recorded floor area of 156 m² (around 1679 sq ft), construction records dating it to 1930-1949 and council tax band F. The latest certificate (December 2021) shows a D (score 64), on the cusp of jumping into the C band. When first surveyed in July 2009 the rating was F, the property has climbed 2 bands since. Between certificates, roof efficiency went from Average to Good, window efficiency went from Poor to Good and lighting went from Poor to Average. The recommended improvements would lift it to B (score 84), a 2-band jump.
Held since December 2009 — that's 17 years off the open market, well above the local norm. That sale fell during the post-crash dip, which often skews comparisons against later neighbouring sales. At 156 m² the property is well over the postcode median (73 m² across 14 EPCs), placing it in the larger end of the local stock. Today's modelled estimate of £1,240,000 sits 87.3% above the 2009 sale of £662,000. 2 planning records sit against the property, 2 approved, 0 refused. Past consents include an extension and tree works, meaningful when judging how the property has evolved.
Know exactly what you're buying at 28a
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
What this property has
Inside
- Bedrooms5
- Bathrooms3
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Hot water system changed
Windows upgraded, improving insulation
Roof insulation improved
Planning history
28a has an approved single-storey side and rear extension on the planning record.
- Jun 2010ExtensionFullIn report
Extension: Single storey · Side and rear of property
Construction of a single storey rear and side extension.
- Agent
- heostudio
- Documents
- 7 docs on file
- Reference
- 10/1163/F
- Apr 2010Tree WorksTreesIn report
Fell two Acer trees in rear garden and replace with appropriate species.
- Documents
- 3 docs on file
- Reference
- 10/0570/TC
What's in 28a, St Johns Park, Greenwich, London, SE3 7JH's planning history?
Refusals, disputes and full decisions on this property and nearby, in the report.
Sales history & valuation
The latest sale fell during the post-2008 dip, often a low-water mark in price comparisons.
£1,240,000
Modelled from EPC, postcode comparables.
£662,000
Recorded with HM Land Registry.
Sales timeline
1 December 2009Most recent
£662,000
Median price across the last 5 sales in SE3 7JH: £512,500 (2025–2020).
Nearby sales in SE3 7JH
Everything we know about 28a, 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 Johns Park homes
On price per m², 28a runs well behind the street norm.
Price per m²
£4,244
Street avg £7,468
Floor Area
156 m²
Street avg 248 m²
Habitable Rooms
9 rooms
Street avg 8 rooms
CO₂ Emissions
5.6 t/year
Street avg 12.5 t/year
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The neighbourhood at a glance
Reported crime in the wider district is trending notably upward year-on-year.
Crime
10/mo
Rising year-on-year across the wider district.
Nearest stop
0.1 km
Stratheden Parade — bus stop.
Closest school
0.4 km
Invicta Primary School. 53 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
56.6dB

Night-time· 23:00 – 07:00
48.2dB