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Prior Approval Checker
Prior Approval Checker
Assess Prior Approval requirements for GPDO developments (Classes MA-AB, AC, ZA)
Type of Development (GPDO Class)
-- Select a class --
Class MA: Commercial to Residential
Class O: Office to Residential
Class Q: Agricultural to Residential
Class R: Agricultural to Commercial
Class S: Agricultural to School
Class T: Business to School
Class AA: Purpose-built Detached Flats Upward Extension
Class AB: Terrace Upward Extension
Class AC: Commercial Upward Extension
Class ZA: Demolition & Rebuild
Net Additional Floorspace (m²)
Date Previous Use Ended
Has the building been vacant for a continuous period of at least 3 months immediately before the application?
-- Select --
Yes
No
Restrictions to Check
In Flood Zone 2 or 3
Listed Building
SSSI or Ramsar Site
AONB or National Park
Conservation Area
Net Additional Floorspace (m²)
Date Previous Use Ended
Was the building last in office use (formerly B1(a), now Class E(g)(i))?
-- Select --
Yes
No
Restrictions to Check
In Flood Zone 2 or 3
Listed Building
SSSI or Ramsar Site
AONB or National Park
Total Floorspace Used for Residential (m²) — max 1,000m², up to 10 dwellings
Years the building has been in agricultural use (qualifying date: on/before 24 July 2023)
Restrictions to Check
In Flood Zone 2 or 3
Listed Building
SSSI or Ramsar Site
Floorspace Used for Commercial (m²)
Duration of Agricultural Use (Years)
Restrictions to Check
SSSI or Ramsar Site
Educational Floorspace (m²)
Restrictions to Check
Listed Building
SSSI or Ramsar Site
Educational Floorspace (m²)
Restrictions to Check
Listed Building
SSSI or Ramsar Site
Number of Storeys to be Added
Maximum Building Height for Extension (m)
Restrictions to Check
Listed Building
Conservation Area
AONB or National Park
Number of Storeys to be Added
Maximum Building Height for Extension (m)
Restrictions to Check
Listed Building
Conservation Area
AONB or National Park
Number of Storeys to be Added
Maximum Building Height for Extension (m)
Restrictions to Check
Listed Building
Conservation Area
Building Footprint Area (m²)
Proposed Number of Dwellings
Restrictions to Check
Listed Building
Conservation Area
SSSI or Ramsar Site
Assess Prior Approval
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