A Mona Vale roof enquiry should identify the repair needed and whether the work concerns one home or a shared building. Residential development in Mona Vale grew from the 1950s, council’s planning controls say, across a valley floor ringed by ridgelines. The Roofing Northern Beaches guides explain the work and local checks.
In the 2021 Census, 53.6% of Mona Vale’s occupied private dwellings were separate houses, 16.0% were semis, terraces or townhouses, and 29.1% were flats or apartments, a higher share of shared buildings than in Newport, Avalon Beach or Palm Beach. Pittwater 21 DCP places medium-density housing beside the commercial centre and along streets including Pittwater Road.
A valley floor, with little landslip or bush fire mapping
Pittwater 21 DCP describes “a large valley floor to the coast in the east, and ridgelines to the north, southwest and northwest”. By our calculation from council map data, only about 7.5% of Mona Vale’s residential land is in the Geotechnical Hazard Map’s H1 or H2 areas, and about 1.5% is bush fire prone land. The landslip map mainly matters when work needs a development application; on bush fire prone land, even an exempt re-roof must be sealed against embers. Your section 10.7 planning certificate shows whether your block is mapped.
Basin Beach and Winnererremy Bay
Council lists “Basin Beach at Mona Vale” as one of three Northern Beaches coastal erosion “hotspots” classified by the NSW Government. On the other side, about 1.6 km of the suburb’s boundary runs along Pittwater at Winnererremy Bay.
By our calculation, about 6% of Mona Vale’s residential land is within 200 metres of the ocean shoreline and 44% within a kilometre. That’s measured from the mapped coastline, not from breaking surf, which is what BlueScope’s steel guide uses, so ask the roofer which steel and screws suit your block. See steel roofs near the coast.
Pittwater 21 DCP colours and Mona Vale’s heritage items
Mona Vale is under the former Pittwater council’s rules: Pittwater LEP 2014 and Pittwater 21 DCP. When roof work needs a development application, the Mona Vale colour clause applies, and it matches the rest of Pittwater (see the questions below). What’s local is one line for commercial land: “Limited use of corporate colours may be permitted within Business and Light Industrial zoned land.”
There’s no heritage conservation area in Mona Vale. By our count from council’s heritage map, 14 heritage items fall in the suburb, including part of the façade of the old Rock Lily Hotel (1886), the bowling club and St John’s Anglican Church. Exempt re-roofing doesn’t extend to a heritage item, so a listed building needs council’s consent, or its written confirmation that the work is minor or maintenance.
Storms and flooding in Mona Vale
On 17 January 2026, the Manly Observer reported a warning of “A VERY DANGEROUS THUNDERSTORM” near Mona Vale and Manly, and that Mona Vale Memorial Hall had opened as an evacuation centre. The NSW Government later declared a natural disaster for the Northern Beaches, covering damage from 14 to 19 January 2026. Earlier, on 8 March 2022, the Northern Beaches Advocate recorded NSW RFS crews diverting floodwater from a home in Kristine Place and helping Jedda Place residents with storm damage.
For roof damage in a storm, council’s advice is to call the SES on 132 500, or Triple Zero (000) if life is in danger. Then see what to do when the roof leaks.
Roofing work in Mona Vale
Choose the work you’re planning in Mona Vale, then describe the roof material, condition and access:
- Roof repairs: cracked and slipped tiles, ridge capping, valleys, flashings and rusted metal.
- Roof leak repairs: leaks traced back to where the water gets in, then fixed there.
- Roof restoration: clean, repair, rebed, repoint and recoat a roof that’s still sound.
- Roof replacement: old tile, iron or fibro roofs stripped and replaced, in Colorbond or new tiles.
- Gutters and gutter guard: gutters, downpipes and metal gutter guard.
Before re-roofing in Mona Vale
Whether a new roof needs approval depends on the property, not just the suburb: whether it’s a heritage item or in a heritage conservation area, whether it’s on bush fire prone land, and whether the old roof contains asbestos. Your property’s planning certificate shows its heritage and bush fire status, and Northern Beaches Council explains exempt and complying development. The roofer should confirm the approval pathway with the quote. See roof replacement for the conditions.
Nearby suburbs
Common questions
Does a re-roof in Mona Vale need council approval?
It may not, for an ordinary house. Replacing roof cladding can be exempt development if the building isn’t a heritage item or in a conservation area, no roof openings are added or enlarged, and any asbestos over 10 square metres is removed by a licensed removalist. Ask the roofer to confirm the approval pathway with the quote.
What roof colours does Pittwater 21 DCP allow in Mona Vale?
Where the DCP applies, colours must be dark and earthy with low reflectivity, and white, light coloured, red or orange roofs are not permitted. Its colour chart ticks black, dark and mid grey, dark green, green, dark brown, brown and dark blue. The DCP applies when work needs a development application; for exempt work, ask council or the roofer to confirm before changing colour.
I live in a townhouse or unit block. Can I ask about the roof?
Yes. Say that the roof is shared, how many storeys the building has, and whether it’s tile or metal. Identify the affected building or section and whether you are enquiring for the owners corporation.
How close to Mona Vale Beach can a Colorbond roof be?
BlueScope’s TB-1A guide recommends COLORBOND steel in a Classic or Matt finish more than 200 metres from breaking surf, and COLORBOND Ultra more than 100 metres, measured from the high water mark. It calls the table a guide only, so ask the roofer.
Where this information comes from
The local details on this page come from these published pages, checked on 1 October 2026.
- Pittwater 21 Development Control Plan: Mona Vale Locality (A4.9) and colours and materials (D9.3) · Northern Beaches Council planning controls, Amendment 28, in effect 15 September 2025
- Pittwater Local Environmental Plan 2014, clause 5.10 and Schedule 5 · NSW planning law, Internet Archive copy captured 15 January 2024
- State Environmental Planning Policy (Exempt and Complying Development Codes) 2008, clauses 2.53 and 2.54 · NSW planning law: minor external building alterations, including roof cladding
- Northern Beaches Council open map data: Pittwater heritage, geotechnical hazard and bush fire prone land layers · Council map data, used for our area calculations and heritage count
- NSW Planning: land zoning map data · NSW Government map data, used to find residential land for our calculations
- NSW Spatial Services: suburb boundaries · NSW Government map data, used for our area and distance calculations
- Northern Beaches Council: bush fire prone land · Local council guidance; map certified 7 August 2020
- Northern Beaches Council: coastal erosion · Local council guidance, undated
- BlueScope TB-1A: steel roofing products selection guide · Manufacturer technical bulletin, March 2023, revision 14
- ABS: 2021 Census QuickStats, Mona Vale · Housing and household figures
- Manly Observer: Northern Beaches floods and storms running news thread · Local news, 17 to 18 January 2026
- NSW Government: Natural Disaster Declaration for Bellingen, Bega Valley and Northern Beaches · Ministerial release, 4 March 2026
- Northern Beaches Advocate: public safety round-up · Community news, 12 March 2022
- Northern Beaches Council: East Coast Low, get prepared · Local council news item, 2 July 2025




