The House CheckCheck before you offer

23 Carnac Street, London, SE27 9RR

Flat / maisonetteLeasehold51 m² · EPC
Last sale£60,500Jul 1999 · HM Land Registry
If it moved with Lambeth flat prices£245,000Aug 2026 · UK HPI
Surface water floodingVery low
EnergyEPC DAug 2020
12MapN ↑119 m ↔
Contains OS data © Crown copyright and database right 2026 · Contains HM Land Registry data © Crown copyright and database right 2026

Before you offer

2 things to check

1Leasehold: Lease documents needed

The lease term and charges affect future costs and mortgage options.

Ask the agent for the lease, remaining term, charges and planned works.

HM Land Registry · Jul 1999

2Uninsulated solid walls: EPC D

Poor insulation or an EPC E–G rating can mean higher heating bills.

Read the full certificate and ask about insulation and heating costs.

EPC · Aug 2020

+ Flood risk very low · Outside coal high-risk area · Not in a higher-radon area

Not covered here yet: conservation area, listed buildings nearby, article 4 direction, tree protection, road noise, rail noise, airport noise. Your conveyancer’s local search covers the planning checks.

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Price

If it moved with Lambeth flat prices

£245,000

How does the asking price compare?

Enter a figure, or “offers over £500k”. Saved privately on this device

This home’s sale history

Sep 1997 £43,000Nov 1998 £43,000Feb 1999 £51,000Jul 1999 £60,500Sep 1997Jul 1999£60,500
SoldPriceTypeTenureRecord
Jul 1999£60,500Flat / maisonetteLeaseholdA
Feb 1999£51,000Flat / maisonetteLeaseholdA
Nov 1998£43,000Flat / maisonetteLeaseholdA
Sep 1997£43,000Flat / maisonetteLeaseholdA

Street sales

Same type and tenure, other homes in the last 36 months: £335,000 · 1 sales

AddressSoldPriceTypeTenure
Flat 16, Jean Humbert House Carnac Street, London, SE27 9RSJun 2026£335,000Flat / maisonetteLeasehold
45 Carnac Street, London, SE27 9RRSep 2025£540,000TerracedFreehold
Ground Floor Flat, 23 Carnac Street, London, SE27 9RRMay 2023£397,000Flat / maisonetteLeasehold
41 Carnac Street, London, SE27 9RROct 2021£783,000Semi-detachedFreehold
Flat 16, Jean Humbert House Carnac Street, London, SE27 9RSMar 2021£300,000Flat / maisonetteLeasehold
21A Carnac Street, London, SE27 9RRNov 2020£421,000Flat / maisonetteLeasehold
15 Carnac Street, London, SE27 9RRNov 2020£635,000TerracedFreehold
Flat 10, Jean Humbert House Carnac Street, London, SE27 9RSJun 2019£295,000Flat / maisonetteLeasehold
Show all 46
AddressSoldPriceTypeTenure
Flat 9, Jean Humbert House Carnac Street, London, SE27 9RSDec 2017£310,000Flat / maisonetteLeasehold
51 Carnac Street, London, SE27 9RRSep 2017£700,000TerracedFreehold
17 Carnac Street, London, SE27 9RRJun 2017£807,500TerracedFreehold
Flat 16, Jean Humbert House Carnac Street, London, SE27 9RSDec 2015£320,000Flat / maisonetteLeasehold
Flat 12, Jean Humbert House Carnac Street, London, SE27 9RSMar 2014£200,000Flat / maisonetteLeasehold
17 Carnac Street, London, SE27 9RROct 2013£384,950TerracedFreehold
Flat 9, Jean Humbert House Carnac Street, London, SE27 9RSSep 2013£179,950Flat / maisonetteLeasehold
15 Carnac Street, London, SE27 9RRMar 2013£299,950TerracedFreehold
First Floor Flat, 25 Carnac Street, London, SE27 9RROct 2012£226,000Flat / maisonetteLeasehold
43 Carnac Street, London, SE27 9RRFeb 2012£440,000TerracedFreehold
Ground Floor Flat, 23 Carnac Street, London, SE27 9RRSep 2011£183,000Flat / maisonetteLeasehold
9 Carnac Street, London, SE27 9RRFeb 2011£235,000TerracedFreehold
21A Carnac Street, London, SE27 9RROct 2010£165,000Flat / maisonetteLeasehold
Flat 9, Jean Humbert House Carnac Street, London, SE27 9RSJun 2008£175,000Flat / maisonetteLeasehold
First Floor Flat, 25 Carnac Street, London, SE27 9RRApr 2008£188,500Flat / maisonetteLeasehold
41 Carnac Street, London, SE27 9RRFeb 2007£285,000Semi-detachedFreehold
Flat 16, Jean Humbert House Carnac Street, London, SE27 9RSJun 2006£149,000Flat / maisonetteLeasehold
First Floor Flat, 25 Carnac Street, London, SE27 9RROct 2005£155,000Flat / maisonetteLeasehold
Lower Maisonette At, 21A Carnac Street, London, SE27 9RRNov 2004£175,000Flat / maisonetteLeasehold
Flat 11, Jean Humbert House Carnac Street, London, SE27 9RSNov 2003£140,000Flat / maisonetteLeasehold
Flat 11, Jean Humbert House Carnac Street, London, SE27 9RSAug 2002£109,950Flat / maisonetteLeasehold
53 Carnac Street, London, SE27 9RRNov 2000£212,000TerracedFreehold
Flat 12, Jean Humbert House Carnac Street, London, SE27 9RSSep 2000£79,000Flat / maisonetteLeasehold
Lower Maisonette At, 21A Carnac Street, London, SE27 9RRJul 2000£102,000Flat / maisonetteLeasehold
21A Carnac Street, London, SE27 9RRNov 1999£75,000Flat / maisonetteLeasehold
25 Carnac Street, London, SE27 9RRSep 1999£75,000Flat / maisonetteLeasehold
23 Carnac Street, London, SE27 9RRJul 1999£60,500Flat / maisonetteLeasehold
23 Carnac Street, London, SE27 9RRFeb 1999£51,000Flat / maisonetteLeasehold
Flat 11, Jean Humbert House Carnac Street, London, SE27 9RSDec 1998£43,000Flat / maisonetteLeasehold
23 Carnac Street, London, SE27 9RRNov 1998£43,000Flat / maisonetteLeasehold
43 Carnac Street, London, SE27 9RRNov 1998£84,000TerracedFreehold
Flat 10, Jean Humbert House Carnac Street, London, SE27 9RSMar 1998£40,000Flat / maisonetteLeasehold
23 Carnac Street, London, SE27 9RRSep 1997£43,000Flat / maisonetteLeasehold
Flat 10, Jean Humbert House Carnac Street, London, SE27 9RSJul 1997£30,500Flat / maisonetteLeasehold
53 Carnac Street, London, SE27 9RRJan 1997£85,000TerracedFreehold
First Floor Flat, 25 Carnac Street, London, SE27 9RRDec 1996£57,000Flat / maisonetteLeasehold
25 Carnac Street, London, SE27 9RRSep 1996£43,250Flat / maisonetteLeasehold
41 Carnac Street, London, SE27 9RRApr 1996£66,500Semi-detachedFreehold
All street records →

The land

+ Flood risk very low · Outside coal high-risk area · Not in a higher-radon area

Not covered here yet: conservation area, listed buildings nearby, article 4 direction, tree protection. Your conveyancer’s local search covers the planning checks.

View building and land map ↑

The building

Uninsulated solid walls: EPC D

Poor insulation or an EPC E–G rating can mean higher heating bills.

Read the full certificate and ask about insulation and heating costs.

EPC · Aug 2020

Floor area
51 m²
Potential EPC band
C
Age band
England and Wales: before 1900
Walls (certificate wording)
Solid brick, as built, no insulation (assumed)
Roof (certificate wording)
(another dwelling above)
Windows (certificate wording)
Single glazed
Heating (certificate wording)
Boiler and radiators, mains gas
Building height
Unavailable

EPC · Aug 2020

Living

Broadband in the area

Postcode residential gigabit coverage: 100%

Full fibre in the local authority: 83.3%

Ofcom · Jan 2026

Schools nearby

DfE GIAS · Nov 2026 · Ofsted · Sep 2026

Area context

Deprivation decile (1 is most deprived within its nation): 3 · England 2025

Recorded police incidents: 138

SE27 9RR →

Before you offer

Viewing checklist

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Lease documents

Needs document · Saved privately on this device

Next steps

Ask a surveyor to confirm Level 2 or Level 3 after reviewing the age, condition and alterations.

Ask the conveyancer about local authority, drainage, environmental, flood and mining searches appropriate to this address.

Compare survey levels →

Questions for the agent

Questions for your surveyor and conveyancer

Ask the surveyor

Which survey level covers this home’s condition, damp, cracks and any alterations?

  • Uninsulated solid walls: Read the full certificate and ask about insulation and heating costs.

Ask the conveyancer

Which title, drainage and local searches are needed for this address?

  • Leasehold: Ask the agent for the lease, remaining term, charges and planned works.
Sources and licences

Contains British Geological Survey materials © UKRI 2026

Radon Potential classification UK Health Security Agency © Crown copyright 2022

© Environment Agency copyright and/or database right 2026. All rights reserved.

INSPIRE conditions · Sources and licences