Flat 1, St Marks House, 1 Derby Road, Portsmouth, PO2 8AW
UPRN:1775126732Purpose Built Flat1 bedsBuilt -
LeaseholdCouncil Tax: Band AEPC: D (60)
Data freshness:Planning· 7mo agoPlanning: stale, refreshed 7mo ago (2026-04-17)Ownership· freshOwnership: fresh, refreshed today (2026-11-10T18:23:35.259981+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 (2026-10-11T23:47:10.572858+00:00)
HP Score
62
/ 100
Mixed
Verdict
today
- Verdict: INVESTIGATE, on a scale of Buy, Investigate, Avoid.
Mixed signals - investigate
Evidence
20 of 21 sourcesSale Estimate
£139,000
£125k - £153kMedium
Estimate
£139k
Range
£125k – £153k
Rent Estimate (pcm)
£850
£800 - £900
Monthly
£850
Yield
7.34%
Verdict
Derived from HomePortfolio scores
Flat 1 earns an INVESTIGATE rating with HP Score 62/100. Investment score 59/100 reflects moderate fundamentals. Crime intensity is elevated. Walkability is good (84/100). 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 listingsOfcom Connected NationsOfcom mobile coverageMarket 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
62
HP Score
62/ 100
Mixed
59
Investment Score
59/ 100
Moderate
82
Crime Score
82/ 100
Elevated
84
Walkability
84/ 100
High
Transit & Bike
Transit 27Bike 73
Walk Score, out of 100
Valuation & Market
Sale Estimate£139,000
Rent Estimate (pcm)£850
Gross Yield7.34%
1y Growth-81.3%
3y Growth-0.1%
5y Growth+2.3%
10y Growth+3.4%
Last Sold Price£90,000 (2025-02-25)
Risk Overview
- Flood RiskUnknown
- SubsidenceSignificant
- RadonModerate
- MiningUnknown
- LandslideLow
- Air QualityLow
- NoiseModerate
Planning Activity
Recent Apps
0PO2 8AW
Approval Rate
-12mo
Development
low
- Pending26/00486/FULChange of use from dwellinghouse (Class C3), to seven bedroom/seven person House in Multiple Occupation (Sui generis)
- Pending26/00450/HOUConstruction of garage extension and installation of sliding gate
- Pending26/00453/CPEApplication for Certificate of Lawful Development for existing use as house in multiple occupation (Class C4)
Ownership
- Corporate Ownership78.6%
- Overseas OwnershipNo
- Lease Term Remaining123 yrs
- CovenantsRestrictive
- Lease TypeLeasehold
- Last Ownership Change2025-02-25
- SourceLand Registry
Connectivity
Broadband (Standard)
20 Mbps
Mobile 4G/5G Coverage
EEThreeO2Vodafone
EV Charger
-
PTAL Rating
-
Area Profile
Median EarningsLocal authority£30,962
Population Density10,323 /km²
Owner Occupied44%
Age Distribution
0-15 21%16-64 69%65+ 10%
Schools Nearby
- Corpus Christi Catholic Primary School0.2 miGood
- Stamshaw Infant Academy0.2 miGood
- New Horizons Primary School0.4 miGood
- The Flying Bull Academy0.4 miReport card2026
Ofsted no longer awards a single overall grade.
2 of 10 nearby schools with published figures were oversubscribed in 2026 - demand, not a catchment.
Comparables
- St. Marks House, 1 Derby Road-£145k-
- St. Marks House, 1 Derby Road-£90k-
- St. Marks House, 1 Derby Road-£750k-
- St. Marks House, 1 Derby Road-£90k-