Harrow — 1 active Article 4 direction (HMO-specific) on record; verify coverage with council.
Profile
Outer London suburban borough, predominantly lower-density family stock and small residential conversions.
Planning
1 active Article 4 direction in our records, HMO-specific; verify current footprint and scope with the council.
Deal angle
Single HMO-targeted A4 direction suggests selective regulatory restriction; bridging/HMO play viability depends on street-level designation verification.
ASTOR UNDERWRITING UNIT // AI SYNTHESIS // VERIFY WITH COUNCIL BEFORE ACTING
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Map Article 4 zones (oxblood = HMO-related) · application pins · click for detail
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Investment Grade
A: select with confidence · B: selectable with discipline · C: case-by-case · D: avoid unless exceptional
Insufficient data for harrow (0 apps, 0 decided).
Approval Rate · 12-mo trend
Council Profile
Planning stance
Unknown — insufficient data
Decision speed
Unknown
Article 4 directions (planning.data.gov.uk)
1 direction recorded — HMO restrictions apply.
Full breakdown ↓
Investment Assessment
HMO viability
Unknown — see Article 4 status
— Article 4 restrictions apply, see below ↓
Commercial conversion
Unknown
Timing outlook by type
Householder
Data unavailable
Change of use
Data unavailable
Major development
Data unavailable
Prior approval
Data unavailable
Analyst notes & data quality
Run after more applications have been scraped and decided.
Article 4 Directions planning.data.gov.uk
HMO conversion (C3→C4)
Requires full planning permission — permitted development rights removed.
borough-wide
Relevant to: lender, investor, developer
HMO Restrictions
(1)
This restriction applies across the entire borough.
Borough-wide Article 4 (HMO) — Harrow HMO
since 2020
HMO Conversion (C3→C4)
Converting a family home (C3) to a small HMO of up to 6 people (C4) requires full planning permission — permitted development rights have been removed.
Relevant to: lender, developer, investor
ASTOR UNDERWRITING UNIT // HARROW // DATA SYNC: ACTIVE // PORTAL: VERIFIED
// ANALYSIS: 07 JUN 2026