Conant House, Flat 17, St Agnes Place, Southwark, London, SE11 4AY
About Conant House
Conant House is a three-bedroom end-of-terrace house in Southwark, London, London (SE11 4AY). It has a recorded floor area of 82 m² (around 883 sq ft), construction records dating it to 1930-1949 and council tax band C. At 82 m² this is the largest unit on EPC record across Conant House (40–82 m²). The building's EPC ratings span E to C, with this unit at the bottom. The latest certificate (October 2023) shows an E (score 52), well below the UK norm with real room to improve. The rating has held steady at E across 2 certificates since March 2015. Between certificates, window efficiency dropped from Good to Average and main heating dropped from Good to Very Poor. The recommended improvements would lift it to B (score 81), a 3-band jump. Main heating runs on electricity.
At 82 m² the property is well over the postcode median (62 m² across 26 EPCs), placing it in the larger end of the local stock. It lags the bulk of the postcode on energy efficiency (less efficient than 85% of similar EPCs). On the market in August 2015 and unlisted since — roughly 11 years. Across 1996–2015, sale prices on this property compounded at 11.9% per year.
Know exactly what you're buying at Conant House
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
Already flagged here
Launch offer · save £5
Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
What this property has
Inside
- Bedrooms3
- Bathrooms1
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 system changed
Changed to a more efficient fuel source
Planning history
Conant House has no planning applications on record.
Notable planning nearby
4applications of note in the surrounding area
We flagged 1 thing worth checking at Conant House
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.
- Larger development activity nearby
30-day money-back guarantee
Sales history & valuation
Conant House has more than quadrupled in price since its earliest registered sale in 1996.
£453,000
Modelled from EPC, postcode comparables and a sale-price growth of 11.9% per year over 19 years.
£415,000
Growth on file: 11.9% per year over 19 years.
Sales timeline
27 August 2015Most recent
£415,000
+400.3%over 16 years19 March 1999
£82,950
+72.8%over 2 years18 June 1996
£48,000
Median price across the last 5 sales in SE11 4AY: £399,950 (2025–2020).
Nearby sales in SE11 4AY
Conant House, Flat 20, St Agnes Place, Southwark, London, SE11 4AY
Sold Oct 2025
£399,950Conant House, Flat 15, St Agnes Place, Southwark, London, SE11 4AY
Sold Apr 2024
£371,500Conant House, Flat 54, St Agnes Place, Southwark, London, SE11 4AY
Sold Sept 2023
£374,500Conant House, Flat 5, St Agnes Place, Southwark, London, SE11 4AY
Sold Mar 2021
£455,000Conant House, Flat 36, St Agnes Place, Southwark, London, SE11 4AY
Sold Dec 2020
£495,000
Everything we know about Conant House, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
What we flagged
- Larger development activity nearby

Versus other St Agnes Place homes
On floor area, Conant House stands well clear of the street.
Price per m²
£5,061
Street avg £6,262
Floor Area
82 m²
Street avg 63 m²
Habitable Rooms
4 rooms
Street avg 3 rooms
CO₂ Emissions
3.8 t/year
Street avg 2.8 t/year
Similar properties nearby
151 153, Flat 3, Kennington Park Road, Southwark
SE11 4JJ
172 174, Flat A, Kennington Park Road, Lambeth
SE11 4BT
18a, Flat A, Bowden Street, Lambeth
SE11 4DS
164a, Second Floor Flat, Kennington Park Road
SE11 4BT
183a, Flat 1, Kennington Lane, Lambeth
SE11 4EZ
28a, Flat 5, Wincott Street, Lambeth
SE11 4NT
158 160, Flat 5, Kennington Park Road, Lambeth
SE11 4DJ
28a, Flat 3, Wincott Street, Lambeth
SE11 4NT
The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
8/mo
Rising year-on-year across the wider district.
Nearest stop
0.2 km
Kennington Road Kennington — bus stop.
Closest school
0.3 km
Keyworth Primary School. 96 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
47.5dB