Flat 40, Mercury House, Broadwater Road, Welwyn Garden City, AL7 3FB
UPRN:10093070845Purpose Built Flat1 bedsBuilt -
LeaseholdCouncil Tax: Band BEPC: B (82)
Data freshness:Listing· 4mo agoListing: stale, refreshed 4mo ago (2026-07-21T04:00:04.107765+00:00)Price Paid· freshPrice Paid: fresh, refreshed 4d ago (2026-11-01T09:36:22.905724+00:00)Planning· 4mo agoPlanning: stale, refreshed 4mo ago (2026-07-10T09:30:05.451661+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· 1mo agoAmenities: ageing, refreshed 1mo ago (2026-09-23T00:00:00+00:00)Area· Census 2021Area: static reference data (Census 2021); authoritative and does not refresh
HP Score
72
/ 100
Mixed
Verdict
4 days ago
- Verdict: INVESTIGATE, on a scale of Buy, Investigate, Avoid.
Mixed signals - investigate
Evidence
19 of 21 sourcesSale Estimate
£228,000
£217k - £240kHigh
Estimate
£228k
Range
£217k – £240k
Rent Estimate (pcm)
£1,250
£1k - £1k
Monthly
£1,250
Yield
6.58%
Verdict
Derived from HomePortfolio scores
Flat 40 earns an INVESTIGATE rating with HP Score 72/100. Investment score 69/100 reflects moderate fundamentals. Crime intensity is moderate. Walkability is good (76/100). 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 leasesHM Land Registry Price PaidPlanIt / council planning portalsOverture Maps PlacesOfsted / DfE GIAS
72
HP Score
72/ 100
Mixed
69
Investment Score
69/ 100
Moderate
48
Crime Score
48/ 100
Elevated
76
Walkability
76/ 100
High
Transit & Bike
Transit 32Bike 59
Walk Score, out of 100
Valuation & Market
Sale Estimate£228,000
Rent Estimate (pcm)£1,250
Gross Yield6.58%
1y Growth+2.1%
3y Growth+0.8%
5y Growth+2.5%
10y Growth+2.0%
Last Sold Price£233,000 (2023-09-26)
Risk Overview
- Flood RiskUnknown
- SubsidenceModerate
- RadonLow
- MiningModerate
- LandslideLow
- Air QualityLow
- NoiseModerate
Planning Activity
Recent Apps
0AL7 3FB
Approval Rate
-12mo
Development
low
- Pending6/2026/1931/PN29Conversion of existing offices to 45 residential units
- Pending6/2026/1901/FULLSubdivision of existing residential garden, erection of one dwelling adjoining the existing dwelling and associated hard and soft landscaping.
- Pending6/2026/1904/EMReplacement of two front doors and garage door and window
Ownership
- Corporate Ownership40.5%
- Overseas OwnershipNo
- Lease Term Remaining142 yrs
- CovenantsNone
- Lease TypeLeasehold
- Last Ownership Change2023-09-26
- SourceLand Registry
Connectivity
Broadband (Standard)
16 Mbps
Mobile 4G/5G Coverage
EEThreeO2Vodafone
EV Charger
-
PTAL Rating
-
Area Profile
Median EarningsLocal authority£37,805
Population Density1,998 /km²
Owner Occupied25%
Age Distribution
0-15 14%16-64 77%65+ 9%
Schools Nearby
- -Peartree Primary School0.4 mi
- Ludwick Nursery School0.6 miOutstanding
- Holwell Primary School0.6 miGood
- Templewood Primary School0.7 miGood
3 of 14 nearby schools with published figures were oversubscribed in 2026 - demand, not a catchment.
Comparables
- Mercury House Broadwater Road-£250k-
- Mercury House Broadwater Road-£215k-
- Mercury House Broadwater Road-£245k-
- Mercury House Broadwater Road-£246k-