On Tat Industrial Building Block D

On Tat Industrial Building Block D in Wong Tai Sin got its occupation permit in 1964 and is about 61 years old; BD has issued 35 statutory orders or notices to it since May 2023.

Building facts

Address: 3/5 Pat Tat St On Tat Industrial Building Block D
District: Wong Tai Sin
Street: Pat Tat Street
Occupation permit date: 10 Nov 1964
Age: about 61 years
Occupation permit no.: K491/64
Use: Industrial
Block type: Tower
Owners' corporation: Formed (RVD record)
Year built (RVD): 1964
Other names: 安達工業大廈 · On Tat Industrial Building
Nearest MTR: Diamond Hill (about 430 m) · Kai Tak (about 710 m)
BD block ID: 1213742

Source: BD building information and age records、RVD names of buildings · Updated 22 Oct 2026

Buildings Department orders and notices

Type	Issued (since May 2023)	Complied / withdrawn / superseded (since May 2024)
Removal orders (unauthorised building works) Requires unauthorised building works (rooftop structures, canopies, projections and the like) to be removed and the affected parts reinstated. (Buildings Ordinance s24)	1	6
Repair orders (dangerous buildings) Issued when a building or part of it has become, or is likely to become, dangerous; requires repair or demolition. (Buildings Ordinance s26)	1	3
Fire safety directions (industrial buildings) Under the Fire Safety (Industrial Buildings) Ordinance, requires older industrial buildings to upgrade fire safety construction. (Cap. 636)	33	4

These are BD's cumulative counts, not the number still outstanding, and earlier orders are not on the lists. Before a purchase, check BD's orders search, the MBIS/MWIS notice search and a land search. See our guide to inspections and orders.

First seen on a BD list by this site: 17 Oct 2026

Inspection scheme age thresholds

Reached the 30-year age threshold of the Mandatory Building Inspection Scheme (domestic buildings of 3 storeys or fewer are exempt); BD may serve an inspection notice.
Reached the 10-year age threshold of the Mandatory Window Inspection Scheme (same exemption).

Age counts from the occupation permit date; BD selects buildings for notices by risk. See BD: MBIS.

Record history

10 Nov 1964 · Occupation permit issued (K491/64)

We check BD's lists monthly; new orders and compliance will show here as they appear.

Other buildings on Pat Tat Street

Buildings with BD orders in Wong Tai Sin

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