How tall can my fence be? Do I need a fence around my pool?
In the Town of Halton Hills, Ontario, max height rear side: 2.13 metres (7 feet); max height front: 0.9 metres (3 feet); sight triangle: No fence within a Sight Triangle greater than 0.9 metres (3 feet); open type construction fence max 1.71 metres (5 feet 6 inches); prohibited materials: Plywood, scrap metal, barbed wire, chicken wire, wire or cable in Residential Zone. Source: Fence By-law 2002-0060 (Office Consolidation, incl. 2026-0031 amendment); Pool Enclosures By-law 2009-0028 (Consolidated), verified 2026-08-28.
No fence within a Sight Triangle greater than 0.9 metres (3 feet); open type construction fence max 1.71 metres (5 feet 6 inches)
s. 5(1); s. 6
prohibited materials
Plywood, scrap metal, barbed wire, chicken wire, wire or cable in Residential Zone
s. 4(8); s. 8(2)
scout note
Regulates fences in the Town of Halton Hills: no fence over 2.74 m in any yard or lot; in a residential zone, 2.13 m maximum in an interior side, exterior side or rear yard and 0.9 m in a front yard or within a sight triangle (gates, archways and decorative caps may exceed the limit by 0.3-0.4 m). Also carries
Pool Enclosures By-law 2009-0028 (Consolidated)
adopted bylaw
permit required
True
s. 5.1 – no person shall construct … a Pool without first obtaining a Pool Enclosure Permit
pool enclosure
Minimum 1.52 m (5 ft) high from Effective Ground Level; gates must have self-closing device, self-latching device ≥1.22 m above grade, and lock.
s. 8.1(a); s. 9.1(c); s. 9.1(d)
prohibited materials
barbed wire, electrical wire, sharp objects or materials creating danger to persons
s. 8.1(f)
scout note
Requires any privately owned outdoor pool capable of holding more than 0.61 m (2 ft) of water to be surrounded by a pool enclosure at least 1.52 m (5 ft) high, measured from effective ground level on the outside. Openings must not pass a 38 mm sphere, widening to 100 mm where top and bottom rails are more than 1.22