3 Blanchedowne, Southwark, London, SE5 8HT
About 3 Blanchedowne
3 Blanchedowne is a four-bedroom mid-terrace house in Southwark, London, London (SE5 8HT). It has a recorded floor area of 150 m² (around 1615 sq ft), construction records dating it to 1950-1966 and council tax band C. The latest certificate (December 2019) shows a C (score 76), near the top of the C band. When first surveyed in March 2013 the rating was D, the property has climbed 1 band since. Between certificates, wall efficiency went from Poor to Average, roof efficiency went from Poor to Good and window efficiency went from Average to Good. The recommended improvements would push it to B (score 84).
At 150 m² the property is well over the postcode median (74 m² across 19 EPCs), placing it in the larger end of the local stock. Its energy rating outperforms most of the postcode (better than 74% of similar EPCs). 2 planning records sit against the property, 2 approved, 0 refused. Past consents include a loft conversion and an extension, meaningful when judging how the property has evolved. Across 1997–2020, sale prices on this property compounded at 11% per year. Today's modelled estimate of £1,001,000 is 25.1% above the 2020 sale price. On a £-per-square-foot basis, the last sale (£495/sq ft) was about 118.8% above the typical sold price in the postcode. Most recent transfer: February 2020 at £799,950.
Know exactly what you're buying at 3 Blanchedowne
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
Already flagged here
Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
What this property has
Inside
- Bedrooms4
- Bathrooms2
- Open-plan layoutYes
- Dining roomYes
- Utility roomYes
- EnsuiteYes
Outside
- Private gardenRear
- ParkingOff street
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls changed
Low energy lighting percentage decreased
Mechanical ventilation installed
Heating controls changed
Window efficiency improved
Cavity wall insulation installed
Roof insulation improved
More low energy lighting installed
Ventilation system changed
Planning history
Planning history includes both a loft conversion and an extension — the classic family-home expansion.
- Apr 2016Loft ConversionOutlineIn report
Lawful Development Certificate (proposed) for the erection of a rear dormer roof extension; installation of x3 rooflights in front elevation to provide additional accommodation to dwellinghouse.
- Documents
- 1 doc on file
- Reference
- 16/AP/0424
- Mar 2016ExtensionFullIn report
Extension: Single storey · Rear of property
Ground floor rear extension measuring 5.8m in depth and 3m in height with a flat roof
- Documents
- 1 doc on file
- Reference
- 16/AP/0429
We flagged 2 things worth checking at 3 Blanchedowne
Independent checks surfaced things a buyer would want to understand before offering. The report explains each one in full, with the underlying data and what to ask.
- Signs of HMO activity in the area
- Larger development activity nearby
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Sales history & valuation
Latest sale on 3 Blanchedowne was the highest on Land Registry record across the postcode.
£1,001,000
Modelled from EPC, postcode comparables and a sale-price growth of 11.0% per year over 22 years.
£799,950
Growth on file: 11.0% per year over 22 years.
Sales timeline
7 February 2020Most recent
£799,950
+65.6%over 4 years18 December 2015
£483,000
+504.1%over 17 years23 December 1997
£79,950
Median price across the last 5 sales in SE5 8HT: £520,000 (2023–2015).
Nearby sales in SE5 8HT
19 Blanchedowne, Southwark, London, SE5 8HT
Sold Feb 2023
£450,00015 Blanchedowne, Southwark, London, SE5 8HT
Sold Jul 2020
£561,00013 Blanchedowne, Southwark, London, SE5 8HT
Sold Feb 2019
£575,00010 Blanchedowne, Southwark, London, SE5 8HT
Sold Oct 2017
£395,0007 Blanchedowne, Southwark, London, SE5 8HT
Sold Apr 2008
£338,000
Everything we know about 3 Blanchedowne, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
What we flagged
- Signs of HMO activity in the area
- Larger development activity nearby

Versus other Blanchedowne homes
EPC Rating for 3 Blanchedowne runs comfortably ahead of the street norm.
Price per m²
£5,333
Street avg £4,235
Floor Area
150 m²
Street avg 86 m²
Habitable Rooms
6 rooms
Street avg 5 rooms
CO₂ Emissions
3.2 t/year
Street avg 3.5 t/year
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
13/mo
Rising year-on-year across the wider district.
Nearest stop
0.1 km
Deepdene Road Herne Hill — bus stop.
Closest school
0.5 km
Bessemer Grange Primary School. 81 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
52.9dB

Night-time· 23:00 – 07:00
42.9dB