Astor Place · Borough Intelligence

York HMO & Article 4 planning

112 applications in the last 12 months · Current to 23 September 2026 via the council's own planning portal. · Analysis updated 20 Sep 2026 · Low confidence

Grade – 112 apps (12 mo)
Compare boroughs Portfolio
Astor analyst's read

York — 112 applications in 12 months; 3 active Article 4 directions in our records (1 HMO-specific).

Profile

Historic cathedral city with mixed Georgian and Victorian terraced stock, moderate density, strong conservation-area coverage.

Planning

3 active Article 4 directions in our records — 1 HMO-specific — suggest moderate regulatory footprint; verify current council stance and any recent designations.

Deal angle

Thin decision data (7 decided of 78 analysed) limits confidence; HMO play viable in non-Article-4 zones but council verification essential before commitment.

ASTOR UNDERWRITING UNIT // AI SYNTHESIS // VERIFY WITH COUNCIL BEFORE ACTING

Set up alert Get notified of new applications in York Search applications Look up a specific York address Compare boroughs Benchmark York against neighbours
Map Article 4 zones (oxblood = HMO-related) · application pins · click for detail
Open full map ↗

–

Investment Grade

A: select with confidence · B: selectable with discipline · C: case-by-case · D: avoid unless exceptional

Insufficient data for york (112 apps, 7 decided).

57%
Approval Rate · 12-mo trend
6.1w
Avg Decision
112
Apps (12 mo)
Council Profile
Planning stance Unknown — insufficient data
Decision speed Unknown
Article 4 directions (planning.data.gov.uk) 3 directions recorded — HMO, conservation areas 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
Application types breakdown
Type Count Decided Approval Avg weeks Risk Investor notes
Residential Extension / Householder 36 4 50% 7.5 unknown
Insufficient data for AI assessment.
Other 26 0 0% 4.6 unknown
Insufficient data for AI assessment.
Listed Building / Heritage 16 1 0% 4.4 unknown
Insufficient data for AI assessment.
HMO / House in Multiple Occupation 10 2 100% 7.3 unknown
Insufficient data for AI assessment.
Tree Works 7 0 0% 8.4 unknown
Insufficient data for AI assessment.
Telecommunications 5 0 0% 2.1 unknown
Insufficient data for AI assessment.
Change of Use 3 0 0% 7.5 unknown
Insufficient data for AI assessment.
Commercial / Retail / Food & Beverage 3 0 0% — unknown
Insufficient data for AI assessment.
New Build Residential 3 0 0% — unknown
Insufficient data for AI assessment.
Lawful Development Certificate 2 0 0% — unknown
Insufficient data for AI assessment.
Advertisement / Signage 1 0 0% — unknown
Insufficient data for AI assessment.
Analyst notes & data quality
Run after more applications have been scraped and decided.

HMO Requirements in York

What it takes to run a House in Multiple Occupation in York — whether you need planning permission, the licence the property must hold, and the statutory minimum room sizes. Verify current details with the council before committing.

Full guides: HMO licensing in York ↗ · Article 4 directions ↗

01 · Planning permission
Planning permission required for small HMOs

An Article 4 direction removes permitted development rights for small HMOs (C3→C4) in 1 designated area in our records — converting a family home to a small HMO needs full planning permission here. Confirm whether your property falls within the designated area.

See the full Article 4 picture below ↓
02 · Licence to operate
Mandatory HMO licence National
5 or more occupants forming 2 or more separate households

Any HMO occupied by five or more people making up two or more separate households (sharing a kitchen, bathroom or toilet) must hold a mandatory HMO licence. This applies in every council in England, regardless of the number of storeys.

No Additional or Selective licensing scheme in our records for York. Many boroughs operate schemes that extend licensing to smaller HMOs or all rented homes, and these change on five-year cycles — check the council's current designation via the gov.uk licence finder ↗.
03 · Minimum room sizes
One person aged over 10 6.51 m²
Two people aged over 10 10.22 m²
One person aged under 10 4.64 m²
Any sleeping room ≥ 4.64 m²
Kitchen, bathroom & WC standards

Licensed HMOs must provide adequate, well-located cooking, washing and toilet facilities for the number of occupants, plus safe gas/electrics, working fire detection and proper waste storage. The exact ratios (occupants per bathroom, per WC, kitchen size) are set by each council in its own HMO amenity standards — confirm the figures with the borough before committing to a scheme.

Minimum room sizes and the mandatory-licensing threshold are national law (Licensing of Houses in Multiple Occupation (Mandatory Conditions of Licences) (England) Regulations 2018), sourced under the Open Government Licence v3 — they apply in every council. Licensing designations shown are those in our records; verify the current position and exact amenity standards with York Council before relying on this. gov.uk: HMO licences ↗

Article 4 Directions in York planning.data.gov.uk

HMO conversion (C3→C4)
Requires full planning permission — permitted development rights removed.
1 designated area Relevant to: lender, investor, developer
Conservation area restrictions (1 designated area)
Extensions, roof alterations, and window/door changes require planning permission within these areas.
specific conservation areas only — not borough-wide Relevant to: buyer, developer, lender
HMO Restrictions (1)
Check the direction document to confirm the geographic extent.
HMO HMO since 2012
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
View direction document ↗
Conservation Area (1)
This restriction applies only within designated areas — it does not affect the whole borough.
Heslington Conservation Area since 2023
Conservation Area — Alterations & Extensions
In this conservation area, extensions, roof alterations and cladding to homes require planning permission — you cannot rely on permitted development rights.
Relevant to: buyer, developer, lender
View direction document ↗
Other Restrictions (1)
Check the direction document to confirm the geographic extent.
ASTOR UNDERWRITING UNIT // YORK // DATA SYNC: ACTIVE // PORTAL: VERIFIED  // ANALYSIS: 20 SEP 2026