The House CheckCheck before you offer

19 Theseus Walk, London, N1 8DS

Flat / maisonetteLeasehold49 m² · EPC
Last sale£425,000Sep 2022 · HM Land Registry
If it moved with Islington flat prices£387,000Aug 2026 · UK HPI
Surface water floodingVery low
EnergyEPC CSep 2019
1MapN ↑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

1 thing 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 · Sep 2022

+ 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.

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Price

If it moved with Islington flat prices

£387,000

How does the asking price compare?

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This home’s sale history

SoldPriceTypeTenureRecord
Sep 2022£425,000Flat / maisonetteLeaseholdA

Street sales

Same type and tenure, other homes in the last 36 months: £554,000 · 4 sales

AddressSoldPriceTypeTenure
29 Theseus Walk, London, N1 8DSFeb 2026£397,321Flat / maisonetteLeasehold
3 Theseus Walk, London, N1 8DSDec 2024£840,000Semi-detachedFreehold
18 Theseus Walk, London, N1 8DSDec 2024£620,000Flat / maisonetteLeasehold
68 Theseus Walk, London, N1 8DSOct 2024£565,000Flat / maisonetteLeasehold
40 Theseus Walk, London, N1 8DSJan 2024£543,000Flat / maisonetteLeasehold
35 Theseus Walk, London, N1 8DSApr 2023£485,000Flat / maisonetteLeasehold
19 Theseus Walk, London, N1 8DSSep 2022£425,000Flat / maisonetteLeasehold
4 Theseus Walk, London, N1 8DSMay 2022£820,000Semi-detachedFreehold
Show all 35
AddressSoldPriceTypeTenure
20 Theseus Walk, London, N1 8DSMay 2022£600,000Flat / maisonetteLeasehold
68 Theseus Walk, London, N1 8DSNov 2020£525,000Flat / maisonetteLeasehold
57 Theseus Walk, London, N1 8DSOct 2020£415,000Flat / maisonetteLeasehold
56 Theseus Walk, London, N1 8DSMay 2018£443,000Flat / maisonetteLeasehold
18 Theseus Walk, London, N1 8DSNov 2016£587,500Flat / maisonetteLeasehold
31 Theseus Walk, London, N1 8DSNov 2015£485,000Flat / maisonetteLeasehold
29 Theseus Walk, London, N1 8DSSep 2015£413,000Flat / maisonetteLeasehold
28 Theseus Walk, London, N1 8DSOct 2014£520,000Flat / maisonetteLeasehold
57 Theseus Walk, London, N1 8DSSep 2014£355,000Flat / maisonetteLeasehold
63 Theseus Walk, London, N1 8DSJul 2014£360,000Flat / maisonetteLeasehold
18 Theseus Walk, London, N1 8DSApr 2014£320,000Flat / maisonetteLeasehold
35 Theseus Walk, London, N1 8DSDec 2013£380,000Flat / maisonetteLeasehold
42 Theseus Walk, London, N1 8DSOct 2013£370,000Flat / maisonetteLeasehold
35 Theseus Walk, London, N1 8DSOct 2013£275,000Flat / maisonetteLeasehold
27 Theseus Walk, London, N1 8DSAug 2011£272,000Flat / maisonetteLeasehold
6 Theseus Walk, London, N1 8DSJan 2011£490,000DetachedFreehold
40 Theseus Walk, London, N1 8DSJan 2008£335,000Flat / maisonetteLeasehold
18 Theseus Walk, London, N1 8DSJun 2007£300,000Flat / maisonetteLeasehold
20 Theseus Walk, London, N1 8DSJun 2007£325,000Flat / maisonetteLeasehold
27 Theseus Walk, London, N1 8DSMay 2007£234,000Flat / maisonetteLeasehold
31 Theseus Walk, London, N1 8DSOct 2006£247,000Flat / maisonetteLeasehold
28 Theseus Walk, London, N1 8DSAug 2006£107,000Flat / maisonetteLeasehold
57 Theseus Walk, London, N1 8DSApr 2005£178,000Flat / maisonetteLeasehold
31 Theseus Walk, London, N1 8DSJul 2004£84,000Flat / maisonetteLeasehold
6 Theseus Walk, London, N1 8DSAug 1998£178,000DetachedFreehold
18 Theseus Walk, London, N1 8DSJul 1998£110,000Flat / maisonetteLeasehold
4 Theseus Walk, London, N1 8DSMar 1995£100,000Semi-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

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 · Sep 2019

Floor area
49 m²
Potential EPC band
B
Age band
England and Wales: 1967-1975
Walls (certificate wording)
Cavity wall, as built, no insulation (assumed)
Roof (certificate wording)
(another dwelling above)
Windows (certificate wording)
Fully double glazed
Heating (certificate wording)
Boiler and radiators, mains gas
Building height
Unavailable

EPC · Sep 2019

Living

Broadband in the area

Postcode residential gigabit coverage: 100%

Full fibre in the local authority: 83.6%

Ofcom · Jan 2026

Schools nearby

DfE GIAS · Nov 2026 · Ofsted · Sep 2026

Area context

Deprivation decile (1 is most deprived within its nation): 4 · England 2025

Recorded police incidents: 439

N1 8DS →

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?

    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