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118 Castellum Apartments, Osbourne Gardens, Aylesbury, HP19 7BW

UPRN:10096533679Flat/MaisonetteBeds -Built 2024
LeaseholdCouncil Tax: Band CEPC: E (54)
Data freshness:Listing· 7mo agoListing: stale, refreshed 7mo ago (2026-04-20T02:38:45.351364+00:00)Planning· 4mo agoPlanning: stale, refreshed 4mo ago (2026-07-10T08:23:32.572036+00:00)Ownership· freshOwnership: fresh, refreshed today (2026-11-10T18:11:57.176410+00:00)EPC· 6mo agoEPC: stale, refreshed 6mo ago (2026-05-20T10:58:39.129138+00:00)Risk· 5mo agoRisk: stale, refreshed 5mo ago (2026-06-18T00:00:00+00:00)Connectivity· 1mo agoConnectivity: ageing, refreshed 1mo ago (2026-10-03T06:43:10.905825+00:00)Schools· 1mo agoSchools: ageing, refreshed 1mo ago (2026-10-06T08:24:30.427161+00:00)Amenities· 2mo agoAmenities: ageing, refreshed 2mo ago (2026-09-23T00:00:00+00:00)Area· Census 2021Area: static reference data (Census 2021); authoritative and does not refreshCouncil Tax· 1mo agoCouncil Tax: ageing, refreshed 1mo ago (2026-10-11T17:34:01.595159+00:00)
118 Castellum Apartments, Osbourne Gardens, Aylesbury, HP19 7BW

HP Score

Mixed
Verdict
today
  • Verdict: INVESTIGATE, on a scale of Buy, Investigate, Avoid.

    Mixed signals - investigate

Evidence
18 of 21 sources
Sale Estimate
£176,000
£141k - £211kLow
Estimate
£176k
Range
£141k – £211k
Rent Estimate (pcm)
£1,150
£1k - £1k
Monthly
£1,150
Yield
7.84%

Verdict

Derived from HomePortfolio scores

118 Castellum Apartments earns an INVESTIGATE rating with HP Score 67/100. Investment score 57/100 reflects moderate fundamentals. Crime intensity is moderate. Walkability is good (71/100). Flood risk is not assessed: check the Environment Agency long-term flood map before offering. Tenure is leasehold. Every figure here comes from the live HomePortfolio API; anything it does not publish is left out.

Key SourcesEPC RegisterPortal listingsMarket estimates (third-party AVM)HM Land Registry sales matched to addressDefra strategic noise mapping, England Round 4 (Contains Defra data © Crown copyright and database right 2023-2024, Open Government Licence v3.0)Walk ScoreONS Census 2021Police.ukHM Land Registry company ownershipHM Land Registry covenantsHM Land Registry leasesHM Land Registry Price PaidPlanIt / council planning portalsOverture Maps PlacesOfsted / DfE GIAS
HP Score
67/ 100
Mixed
Investment Score
57/ 100
Moderate
Crime Score
39/ 100
Elevated
Walkability
71/ 100
High
Transit & Bike
Transit 29Bike 59
Walk Score, out of 100

Valuation & Market

Sale Estimate£176,000
Rent Estimate (pcm)£1,150
Gross Yield7.84%
1y Growth-
3y Growth+2.8%
5y Growth+2.4%
10y Growth+2.3%
Last Sold Price£265,000 (2025-09-09)

Risk Overview

  • Flood RiskUnknown
  • SubsidenceSignificant
  • RadonLow
  • MiningUnknown
  • LandslideModerate
  • Air QualityLow
  • NoiseModerate

Planning Activity

Recent Apps
0HP19 7BW
Approval Rate
-12mo
Development
low
  • PL/26/08851/P14JKO
    Prior notification application (Part 14, Class J) to install a 220kw solar photovoltaic roof mounted system
    Pending
  • PL/26/08102/SA
    Certificate of Lawfulness for proposed use of existing light-industrial units as a 24 hour gymnasium and fitness facility falling within Use Class E(d), operating seven days per week
    Pending
  • PL/26/08178/SA
    Certificate of Lawfulness for proposed use as general retail shop or barber shop and establish whether the previous veterinary use falls within use class E(e).
    Pending

Ownership

  • Corporate Ownership51.5%
  • Overseas OwnershipNo
  • Lease Term Remaining999+ yrs
  • CovenantsRestrictive
  • Lease TypeLeasehold
  • Last Ownership Change2025-09-09
  • SourceLand Registry

Connectivity

Broadband (-)
-
Mobile 4G/5G Coverage
-
EV Charger
-
PTAL Rating
-

Area Profile

Median EarningsLocal authority£35,937
Population Density-
Owner Occupied35%
Age Distribution
0-15 23%16-64 70%65+ 7%

Schools Nearby

  • Aylesbury UTC
    0.1 mi
    Requires improvement
  • Bearbrook Combined School
    0.1 mi
    Good
  • Sir Henry Floyd Grammar School
    0.2 mi
    OutstandingConcerns
  • Pebble Brook School
    0.2 mi
    Good

2 of 9 nearby schools with published figures were oversubscribed in 2026 - demand, not a catchment.

Comparables

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  • Castellum Apartments Osbourne Gardens
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    £265k
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  • Castellum Apartments Osbourne Gardens
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  • Castellum Apartments Osbourne Gardens
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  • Castellum Apartments Osbourne Gardens
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    £255k
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