22 William Square, London, SE16 5XJ

Flat / maisonetteLeasehold44 m² · EPC

Last sale£130,000Dec 2003 · HM Land Registry

If it moved with Southwark flat prices£289,000Aug 2026 · UK HPI

Flood planning zoneIn Flood Zone 3 — check defences and insurance

EnergyEPC CNov 2023

MapN ↑238 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

1Flood planning zone: In Flood Zone 3 — check defences and insurance

Flood Zone 3 can affect insurance costs even where flood defences protect the area.

Get an insurance quote and ask the conveyancer for a flood search.

Environment Agency · Oct 2026

2Leasehold: 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 · Dec 2003

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

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.

Buying stagePrepare for a viewing ↓Saved privately on this device

Price

HM Land Registry · Sep 2026 · UK HPI · Aug 2026

If it moved with Southwark flat prices

£289,000

How does the asking price compare?

This home’s sale history

Sold	Price	Type	Tenure	Record
Dec 2003	£130,000	Flat / maisonette	Leasehold	A
Dec 1998	£99,000	Flat / maisonette	Leasehold	A
Aug 1995	£79,995	Flat / maisonette	Leasehold	A · New build

Street sales

Same type and tenure, other homes in the last 36 months: £376,500 · 2 sales

Address	Sold	Price	Type	Tenure
21 William Square, London, SE16 5XJ	Feb 2026	£425,000	Flat / maisonette	Leasehold
31 William Square, London, SE16 5XJ	Jan 2025	£328,000	Flat / maisonette	Leasehold
13 William Square, London, SE16 5XJ	Apr 2023	£315,000	Flat / maisonette	Leasehold
33 William Square, London, SE16 5XJ	Sep 2022	£506,000	Flat / maisonette	Leasehold
3 William Square, London, SE16 5XJ	Apr 2021	£420,000	Flat / maisonette	Leasehold
10 William Square, London, SE16 5XJ	Jan 2021	£575,000	Flat / maisonette	Leasehold
35 William Square, London, SE16 5XJ	Jul 2019	£355,000	Flat / maisonette	Leasehold
33 William Square, London, SE16 5XJ	Oct 2018	£485,000	Flat / maisonette	Leasehold

Show all 80

Address	Sold	Price	Type	Tenure
14 William Square, London, SE16 5XJ	Nov 2017	£340,000	Flat / maisonette	Leasehold
3 William Square, London, SE16 5XJ	Sep 2017	£390,000	Flat / maisonette	Leasehold
10 William Square, London, SE16 5XJ	Apr 2016	£600,000	Flat / maisonette	Leasehold
35 William Square, London, SE16 5XJ	Mar 2016	£335,000	Flat / maisonette	Leasehold
23 William Square, London, SE16 5XJ	Feb 2016	£590,000	Flat / maisonette	Leasehold
1 William Square, London, SE16 5XJ	Jan 2015	£470,000	Flat / maisonette	Leasehold
34 William Square, London, SE16 5XJ	Oct 2014	£450,000	Flat / maisonette	Leasehold
33 William Square, London, SE16 5XJ	May 2014	£410,000	Flat / maisonette	Leasehold
23 William Square, London, SE16 5XJ	Mar 2014	£460,000	Flat / maisonette	Leasehold
8 William Square, London, SE16 5XJ	Feb 2013	£365,000	Flat / maisonette	Leasehold
7 William Square, London, SE16 5XJ	Aug 2012	£280,000	Flat / maisonette	Leasehold
16 William Square, London, SE16 5XJ	Mar 2012	£247,500	Flat / maisonette	Leasehold
12 William Square, London, SE16 5XJ	Sep 2010	£362,675	Flat / maisonette	Leasehold
34 William Square, London, SE16 5XJ	May 2007	£325,000	Flat / maisonette	Leasehold
10 William Square, London, SE16 5XJ	May 2007	£339,950	Flat / maisonette	Leasehold
12 William Square, London, SE16 5XJ	Oct 2006	£320,000	Flat / maisonette	Leasehold
9 William Square, London, SE16 5XJ	Feb 2006	£270,000	Flat / maisonette	Leasehold
33 William Square, London, SE16 5XJ	Aug 2005	£225,000	Flat / maisonette	Leasehold
11 William Square, London, SE16 5XJ	Aug 2005	£210,000	Flat / maisonette	Leasehold
4 William Square, London, SE16 5XJ	Mar 2005	£250,000	Flat / maisonette	Leasehold
43 William Square, London, SE16 5XJ	Dec 2004	£228,000	Flat / maisonette	Leasehold
1 William Square, London, SE16 5XJ	Apr 2004	£280,000	Flat / maisonette	Leasehold
22 William Square, London, SE16 5XJ	Dec 2003	£130,000	Flat / maisonette	Leasehold
2 William Square, London, SE16 5XJ	Jul 2003	£249,600	Flat / maisonette	Leasehold
35 William Square, London, SE16 5XJ	Mar 2003	£155,000	Flat / maisonette	Leasehold
36 William Square, London, SE16 5XJ	Jul 2002	£188,000	Flat / maisonette	Leasehold
4 William Square, London, SE16 5XJ	May 2002	£230,000	Flat / maisonette	Leasehold
45 William Square, London, SE16 5XJ	Apr 2002	£230,000	Flat / maisonette	Leasehold
13 William Square, London, SE16 5XJ	Apr 2002	£158,500	Flat / maisonette	Leasehold
36 William Square, London, SE16 5XJ	Jul 2001	£179,950	Flat / maisonette	Leasehold
3 William Square, London, SE16 5XJ	May 2001	£170,000	Flat / maisonette	Leasehold
43 William Square, London, SE16 5XJ	Dec 1999	£158,000	Flat / maisonette	Leasehold
23 William Square, London, SE16 5XJ	Sep 1999	£143,000	Flat / maisonette	Leasehold
16 William Square, London, SE16 5XJ	Aug 1999	£103,000	Flat / maisonette	Leasehold
45 William Square, London, SE16 5XJ	Jul 1999	£139,500	Flat / maisonette	Leasehold
6 William Square, London, SE16 5XJ	Jul 1999	£165,000	Flat / maisonette	Leasehold
3 William Square, London, SE16 5XJ	Jun 1999	£125,000	Flat / maisonette	Leasehold
7 William Square, London, SE16 5XJ	Apr 1999	£95,000	Flat / maisonette	Leasehold
22 William Square, London, SE16 5XJ	Dec 1998	£99,000	Flat / maisonette	Leasehold
13 William Square, London, SE16 5XJ	Oct 1998	£86,000	Flat / maisonette	Leasehold
36 William Square, London, SE16 5XJ	Aug 1998	£116,000	Flat / maisonette	Leasehold
8 William Square, London, SE16 5XJ	Jun 1998	£138,500	Flat / maisonette	Leasehold
33 William Square, London, SE16 5XJ	Jun 1998	£106,500	Flat / maisonette	Leasehold
18 William Square, London, SE16 5XJ	Mar 1998	£138,500	Flat / maisonette	Leasehold
14 William Square, London, SE16 5XJ	Feb 1998	£89,950	Flat / maisonette	Leasehold
21 William Square, London, SE16 5XJ	Sep 1997	£130,000	Flat / maisonette	Leasehold
35 William Square, London, SE16 5XJ	May 1997	£60,000	Flat / maisonette	Leasehold
33 William Square, London, SE16 5XJ	Mar 1997	£87,000	Flat / maisonette	Leasehold
40 William Square, London, SE16 5XJ	Oct 1996	£124,200	Terraced	Freehold
31 William Square, London, SE16 5XJ	Jul 1996	£73,995	Flat / maisonette	Leasehold
5 William Square, London, SE16 5XJ	Dec 1995	£136,995	Flat / maisonette	Leasehold
1 William Square, London, SE16 5XJ	Dec 1995	£148,995	Flat / maisonette	Leasehold
15 William Square, London, SE16 5XJ	Nov 1995	£110,995	Flat / maisonette	Leasehold
4 William Square, London, SE16 5XJ	Oct 1995	£125,995	Flat / maisonette	Leasehold
10 William Square, London, SE16 5XJ	Sep 1995	£148,995	Flat / maisonette	Leasehold
7 William Square, London, SE16 5XJ	Aug 1995	£102,995	Flat / maisonette	Leasehold
8 William Square, London, SE16 5XJ	Aug 1995	£127,500	Flat / maisonette	Leasehold
12 William Square, London, SE16 5XJ	Aug 1995	£126,995	Flat / maisonette	Leasehold
22 William Square, London, SE16 5XJ	Aug 1995	£79,995	Flat / maisonette	Leasehold
11 William Square, London, SE16 5XJ	Aug 1995	£94,995	Flat / maisonette	Leasehold
3 William Square, London, SE16 5XJ	Aug 1995	£94,995	Flat / maisonette	Leasehold
9 William Square, London, SE16 5XJ	Aug 1995	£147,995	Flat / maisonette	Leasehold
6 William Square, London, SE16 5XJ	Aug 1995	£154,000	Flat / maisonette	Leasehold
2 William Square, London, SE16 5XJ	Aug 1995	£156,995	Flat / maisonette	Leasehold
13 William Square, London, SE16 5XJ	Aug 1995	£156,995	Flat / maisonette	Leasehold
23 William Square, London, SE16 5XJ	Aug 1995	£107,995	Flat / maisonette	Leasehold
18 William Square, London, SE16 5XJ	Aug 1995	£127,500	Flat / maisonette	Leasehold
21 William Square, London, SE16 5XJ	Aug 1995	£119,995	Flat / maisonette	Leasehold
20 William Square, London, SE16 5XJ	Jul 1995	£100,000	Flat / maisonette	Leasehold
16 William Square, London, SE16 5XJ	Jul 1995	£83,995	Flat / maisonette	Leasehold
17 William Square, London, SE16 5XJ	Jul 1995	£75,995	Flat / maisonette	Leasehold
14 William Square, London, SE16 5XJ	Jul 1995	£70,000	Flat / maisonette	Leasehold

All street records →

The land

Flood planning zone: In Flood Zone 3 — check defences and insurance

Flood Zone 3 can affect insurance costs even where flood defences protect the area.

Get an insurance quote and ask the conveyancer for a flood search.

Environment Agency · Oct 2026

＋ 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

EPC C

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 · Nov 2023

Floor area: 44 m²
Potential EPC band: C
Age band: England and Wales: 1996-2002
Walls (certificate wording): Cavity wall, as built, insulated (assumed)
Roof (certificate wording): Pitched, insulated (assumed)
Windows (certificate wording): Fully double glazed
Heating (certificate wording): Boiler and radiators, mains gas
Building height: Unavailable

EPC · Nov 2023

Living

Broadband in the area

Postcode residential gigabit coverage: 100%

Full fibre in the local authority: 82.5%

Ofcom · Jan 2026

Schools nearby

Peter Hills with St Mary's and St Paul's CofE Primary SchoolPrimary · 339 m · Good
Redriff Primary, City of London AcademyPrimary · 570 m · Outstanding
Bacon's CollegeSecondary · 600 m · Good
Cyril Jackson Primary SchoolPrimary · 668 m · Not judged
The Hamlet School692 m · Standards maintained
St John's Roman Catholic Primary SchoolPrimary · 786 m · Not judged
Sir William Burrough Primary SchoolPrimary · 799 m · Not judged
Stepney Greencoat Church of England Primary SchoolPrimary · 885 m · Good
Alfred Salter Primary SchoolPrimary · 912 m · School remains Good
Marion Richardson Primary SchoolPrimary · 952 m · Outstanding
Cayley Primary SchoolPrimary · 1009 m · School remains Good
Stepney All Saints Church of England Secondary SchoolSecondary · 1125 m · School remains Outstanding
Bishop Challoner Catholic SchoolSecondary · 1166 m · Good
Blue Gate Fields Junior SchoolPrimary · 1210 m · Good
Blue Gate Fields Infants' SchoolPrimary · 1210 m · Standards maintained
St Peter's London Docks CofE Primary SchoolPrimary · 1216 m · Standards maintained
Halley Primary SchoolPrimary · 1231 m · Good
Albion Primary SchoolPrimary · 1237 m · Good
St Mary and St Michael Primary SchoolPrimary · 1286 m · School remains Good
Our Lady and St Joseph Catholic Primary SchoolPrimary · 1288 m · School remains Good
Mulberry Stepney Green Mathematics and Computing CollegeSecondary · 1310 m · School remains Good
Mayflower Primary SchoolPrimary · 1333 m · School remains Outstanding
Seven Mills Primary SchoolPrimary · 1371 m · Good
Stebon Primary SchoolPrimary · 1373 m · Outstanding
St Paul With St Luke CofE Primary FederationPrimary · 1388 m · Standards maintained
Bygrove Primary SchoolPrimary · 1463 m · Outstanding
New City College16 plus · 1475 m

DfE GIAS · Nov 2026 · Ofsted · Sep 2026

Area context

Deprivation decile (1 is most deprived within its nation): 9 · England 2025

Recorded police incidents: 167

SE16 5XJ →

Before you offer

Viewing checklist

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Private notes

Refresh the saved facts when you return. No email alerts are sent.

Lease documents

Needs document · Saved privately on this device

Remaining lease lengthDocument received / answeredGround rent and review clausesDocument received / answeredService charge and accountsDocument received / answeredPlanned major works and reserve fundsDocument received / answeredBuilding safety and lender requirementsDocument received / answered

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

For 22 William Square, London, SE16 5XJ, please confirm the full address and asking price.

Get an insurance quote and ask the conveyancer for a flood search.

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

Please provide the EPC, details of alterations and any previous flooding, movement or insurance claims.

Please provide the lease, remaining term, ground rent, service charges, planned major works and building-safety documents.

Questions for your surveyor and conveyancer

Ask the surveyor

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

Ask the conveyancer

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

Flood planning zone: Get an insurance quote and ask the conveyancer for a flood search.
Leasehold: Ask the agent for the lease, remaining term, charges and planned works.

Sources and licences

INSPIRE conditions · Sources and licences