G.O. (Ms.) No. 69, Amendment to Tamil Nadu Combined Development and Building Rules, 2019, 2024 (11 Mar 2024)
The Housing and Urban Development [UD4(1)] Department issued G.O. (Ms.) No. 69, dated 11 March 2024, amending the Tamil Nadu Combined Development and Building Rules, 2019. The amendment raises several height thresholds for Non High Rise buildings from 12 metres to 14 metres and updates related professional, setback, rainwater harvesting and building control provisions.
What the amendment changes
G.O. (Ms.) No. 69 changes multiple provisions of the Tamil Nadu Combined Development and Building Rules, 2019 concerning Non High Rise buildings. Its main change is to replace the earlier 12 metre threshold with 14 metres across rules and annexures dealing with building categories, approval requirements, setbacks and technical provisions.
The notification was ordered to be published in the Tamil Nadu Government Gazette, Extraordinary, dated 11 March 2024.
Who is affected
The amended Tamil Nadu Combined Development and Building Rules, 2019 may affect:
- Owners and buyers of plots proposed for Non High Rise development.
- Applicants seeking planning or building permission.
- Registered Architects and Registered Engineers handling applications.
- Residential, industrial and institutional building projects covered by the amended classifications.
- Planning authorities and local bodies applying the building rules.
A Registered Architect or Registered Engineer may handle Non High Rise buildings with a height up to 14 metres under the amended professional classification. The next category now covers Non High Rise buildings above 14 metres and up to 18.30 metres.
Key height and setback provisions
G.O. (Ms.) No. 69 makes the following notable changes:
- References to Non High Rise buildings up to 12 metres are generally replaced with references to buildings up to 14 metres.
- References to buildings above 12 metres and up to 18.30 metres are changed to buildings above 14 metres and up to 18.30 metres.
- One Annexure XVII category is increased from Non High Rise buildings up to 9 metres to buildings up to 10 metres.
- For specified tables, buildings more than 7 metres and up to 14 metres require a rear setback of 1.5 metres.
- For specified side setback tables, requirements vary according to building height and plot width. For buildings more than 7 metres and up to 14 metres, the listed side setback ranges from 1 metre on one side to 1.5 metres on either side or 3 metres on one side.
Other updated provisions
The amendment carries the revised 14 metre threshold into provisions concerning rainwater harvesting, residential notes, maximum building height, dwelling unit classifications and other building control requirements. Rainwater harvesting categories now distinguish buildings up to 14 metres from buildings above 14 metres and up to 18.3 metres, including industries and institutional buildings in the latter category.
This summary is generated from the source document to help you find what is relevant. The PDF above is authoritative. For advice on your own property, use LandLens One or speak to a qualified professional.
Common questions
Can a Non High Rise building now be built up to 14 metres under this amendment?
G.O. (Ms.) No. 69 replaces several earlier 12 metre limits with 14 metres. Any proposal must still comply with the applicable setbacks and other requirements in the Tamil Nadu Combined Development and Building Rules, 2019.
Can a Registered Architect or Registered Engineer handle a building up to 14 metres?
Yes. The amended professional classification lists Non High Rise buildings up to 14 metres for a Registered Architect or Registered Engineer.
Does the amendment remove the category for buildings up to 18.30 metres?
No. It changes that category from buildings above 12 metres to buildings above 14 metres, while retaining the upper height of 18.30 metres.
Does G.O. (Ms.) No. 69 change setback requirements?
Yes. It substitutes side and rear setback table entries for specified Non High Rise buildings, including a 1.5 metre rear setback for buildings more than 7 metres and up to 14 metres in the listed tables.
