The House CheckCheck before you offer

40 Derry Downs, Orpington, BR5 4DU

DetachedFreehold175 m² · EPC
Last sale£345,000Nov 2009 · HM Land Registry
If it moved with Bromley detached prices£714,000Aug 2026 · UK HPI
RadonTesting advised
EnergyEPC ESep 2008
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

1Radon: Testing advised

Higher-radon area (1–3% of homes). Radon can affect long-term health.

Ask for existing test results or use a 3-month test kit, about £50.

BGS / UKHSA · Dec 2022

2Uninsulated solid walls: EPC E

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 2008

+ Flood risk very low · Outside coal high-risk 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 Bromley detached prices

£714,000

How does the asking price compare?

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

This home’s sale history

Sep 2005 £188,000Sep 2006 £345,000Nov 2009 £345,000Sep 2005Nov 2009£345,000
SoldPriceTypeTenureRecord
Nov 2009£345,000DetachedFreeholdA
Sep 2006£345,000DetachedFreeholdA
Sep 2005£188,000DetachedFreeholdA

Street sales

Same type and tenure, other homes in the last 36 months: £505,000 · 2 sales

AddressSoldPriceTypeTenure
12 Derry Downs, St Mary Cray, Orpington, BR5 4DTAug 2025£525,000DetachedFreehold
41 Derry Downs, St Mary Cray, Orpington, BR5 4DUJul 2025£660,000Semi-detachedFreehold
28 Derry Downs, St Mary Cray, Orpington, BR5 4DUFeb 2025£485,000DetachedFreehold
42 Derry Downs, St Mary Cray, Orpington, BR5 4DUOct 2022£435,000Semi-detachedFreehold
41 Derry Downs, St Mary Cray, Orpington, BR5 4DUSep 2021£600,000Semi-detachedFreehold
49A Derry Downs, St Mary Cray, Orpington, BR5 4DUJun 2021£685,000DetachedFreehold
51 Derry Downs, St Mary Cray, Orpington, BR5 4DUOct 2019£1,000,000DetachedFreehold
41 Derry Downs, St Mary Cray, Orpington, BR5 4DUSep 2017£518,000Semi-detachedFreehold
Show all 41
AddressSoldPriceTypeTenure
44 Derry Downs, St Mary Cray, Orpington, BR5 4DUJul 2015£283,000Semi-detachedFreehold
25A Derry Downs, St Mary Cray, Orpington, BR5 4DUJul 2013£250,000TerracedFreehold
51A Derry Downs, Orpington, BR5 4DUAug 2012£267,000DetachedFreehold
52 Derry Downs, Orpington, BR5 4DUOct 2010£228,000Semi-detachedFreehold
41 Derry Downs, St Mary Cray, Orpington, BR5 4DUMay 2010£250,000Semi-detachedFreehold
40 Derry Downs, Orpington, BR5 4DUNov 2009£345,000DetachedFreehold
44 Derry Downs, St Mary Cray, Orpington, BR5 4DUOct 2009£200,000TerracedFreehold
25A Derry Downs, St Mary Cray, Orpington, BR5 4DUNov 2007£249,995TerracedFreehold
44 Derry Downs, St Mary Cray, Orpington, BR5 4DUOct 2007£228,000TerracedFreehold
28 Derry Downs, St Mary Cray, Orpington, BR5 4DUMar 2007£345,000DetachedFreehold
40 Derry Downs, Orpington, BR5 4DUSep 2006£345,000DetachedFreehold
45A Derry Downs, Orpington, BR5 4DUMay 2006£280,000TerracedFreehold
40 Derry Downs, Orpington, BR5 4DUSep 2005£188,000DetachedFreehold
43 Derry Downs, Orpington, BR5 4DUJul 2005£295,000Semi-detachedFreehold
42 Derry Downs, St Mary Cray, Orpington, BR5 4DUApr 2005£197,000Semi-detachedFreehold
12 Derry Downs, St Mary Cray, Orpington, BR5 4DTMar 2005£234,000DetachedFreehold
12 Derry Downs, St Mary Cray, Orpington, BR5 4DTMar 2004£238,000DetachedFreehold
45A Derry Downs, Orpington, BR5 4DUFeb 2003£244,000TerracedFreehold
42 Derry Downs, St Mary Cray, Orpington, BR5 4DUOct 2001£148,500Semi-detachedFreehold
44 Derry Downs, St Mary Cray, Orpington, BR5 4DUMay 2000£129,995TerracedFreehold
25A Derry Downs, St Mary Cray, Orpington, BR5 4DUApr 2000£127,000TerracedFreehold
51 Derry Downs, St Mary Cray, Orpington, BR5 4DUApr 2000£299,000DetachedFreehold
45A Derry Downs, Orpington, BR5 4DUMar 2000£153,000TerracedFreehold
49A Derry Downs, St Mary Cray, Orpington, BR5 4DUFeb 2000£196,500DetachedFreehold
41A Derry Downs, Orpington, BR5 4DUFeb 2000£190,000DetachedFreehold
44 Derry Downs, St Mary Cray, Orpington, BR5 4DUNov 1999£90,000TerracedFreehold
42 Derry Downs, St Mary Cray, Orpington, BR5 4DUOct 1999£110,000Semi-detachedFreehold
44 Derry Downs, St Mary Cray, Orpington, BR5 4DUJun 1999£79,000TerracedFreehold
45 Derry Downs, Orpington, BR5 4DUMay 1999£69,500Semi-detachedFreehold
25A Derry Downs, St Mary Cray, Orpington, BR5 4DUMar 1999£104,000TerracedFreehold
42 Derry Downs, St Mary Cray, Orpington, BR5 4DUMar 1999£75,000Semi-detachedFreehold
43 Derry Downs, Orpington, BR5 4DUMar 1999£60,000Semi-detachedFreehold
41A Derry Downs, Orpington, BR5 4DUNov 1996£140,000DetachedFreehold
All street records →

The land

Radon: Testing advised

Higher-radon area (1–3% of homes). Radon can affect long-term health.

Ask for existing test results or use a 3-month test kit, about £50.

BGS / UKHSA · Dec 2022

+ Flood risk very low · Outside coal high-risk 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 E

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 2008

Floor area
175 m²
Potential EPC band
E
Age band
Pre-1900
Walls (certificate wording)
Solid brick, as built, no insulation (assumed)
Roof (certificate wording)
Pitched, no insulation (assumed)
Windows (certificate wording)
Fully double glazed
Heating (certificate wording)
Boiler and radiators, mains gas
Building height
Unavailable

EPC · Sep 2008

Living

Broadband in the area

Postcode residential gigabit coverage: 100%

Full fibre in the local authority: 68.6%

Ofcom · Jan 2026

Schools nearby

DfE GIAS · Nov 2026 · Ofsted · Sep 2026

Area context

Deprivation decile (1 is most deprived within its nation): 7 · England 2025

Recorded police incidents: 52

BR5 4DU →

Before you offer

Viewing checklist

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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?

  • Radon: Ask for existing test results or use a 3-month test kit, about £50.
  • 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?

    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