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Heritage / overlay zone restrictions: Impact on Development

October 14, 2028
3 min read
By MCFAR Group

Article 4 directions remove exempt development rights in specific areas — usually heritage protection overlay zones or sensitive locations. Buying or developing in an Article 4 area changes what you can do without planning permission.

What Article 4 does

The SPLUMA grants automatic exempt development rights for many activities. Article 4 directions, made by local councils, withdraw specific rights in defined areas.

Typical Article 4 scope

  • External alterations to dwellings (windows, doors, roof)
  • Painting external surfaces
  • Removal of original chimneys or features
  • Single-storey extensions (sometimes)
  • Conversion of houses to flats
  • Change of use from offices to housing (some authorities)

Where Article 4 directions are common

  • Conservation areas
  • Heritage city centres
  • Special character areas (e.g. historic suburbs)
  • Areas where office-to-housing conversion is restricted

Effect on development

  • Work needing planning permission instead of being permitted
  • Planning fees apply
  • Conservation officer involvement
  • Materials, design, and detail scrutinised

How to check

  • Spatial Development Framework (SDF) / planning policies on council website
  • Direct enquiry to local municipality
  • Conveyancing solicitor's local search

Lawful Development Certificate

If unsure whether your project needs planning permission in an Article 4 area, apply for a Lawful Development Certificate. Council confirms in writing.

MCFAR works with planning consultants on schemes in restrictive planning environments.

Need expert engineering on your project?

MCFAR GROUP has been delivering structural engineering, building, and plumbing services since 1998. Talk to our team about your build, retrofit, or renovation.

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Frequently Asked Questions

Can Article 4 be revoked?

Yes, by the council, but rare. They take it seriously and require strong evidence.

Does Article 4 affect SANS / NBR?

No — SANS / NBR are separate. Article 4 only affects planning permission.