North Shore & Northern Beaches
Private building certifier in the Northern Beaches Council area
CertifiBuild certifies homes, pools, decks and outbuildings across the Northern Beaches. The first local question is which former council area your lot sits in. Manly, Warringah and Pittwater rules still apply separately, and each treats slope and excavation differently.
Local plan
Manly Local Environmental Plan 2013, Warringah Local Environmental Plan 2011 and Pittwater Local Environmental Plan 2014
Bushfire prone land
Most suburbs
Flood planning
Council mapping
Heritage areas
Most suburbs
Most building activity right now
The 10 busiest suburbs for building work on the Northern Beaches
Ranked by ABS building approvals for new homes, duplexes, townhouses and renovations over the 12 months to August 2026. Choose a suburb for its local guide.
Local rules
What shapes approvals here.
Three sets of rules in one council
The council covers the coast from Palm Beach south to Manly. It was formed from the old Manly, Warringah and Pittwater councils. Each area still has its own local environmental plan (LEP) and development control plan (DCP). The LEP is the main planning rulebook, and the DCP holds the detailed design rules. Three plans currently apply: Pittwater LEP 2014, Warringah LEP 2011 and Manly LEP 2013, each paired with a DCP of its own. Some deferred land still falls under Warringah LEP 2000.
Slopes and excavation
Each DCP rates landslip risk in its own way. In Warringah, land falls into Areas A to E. Manly's plan instead uses zones numbered G1 through G4. Pittwater sets limits on how deep you cut or fill. So a cut on one street may need a geotechnical report while the same cut one street over does not. A geotechnical report is an engineer's assessment of ground stability. Steep lots above Seaforth and behind Whale Beach need this checked early.
Coast, bushfire and heritage
On the beachfront between Collaroy and Narrabeen, coastal hazard rules are an extra layer. Most suburbs also include bushfire prone land and heritage conservation area land. Any of these can rule out a complying development certificate (CDC). A CDC is a code-based approval a private certifier can issue. Where it is ruled out, a development application (DA) goes to council.
The housing mix is broad. Census 2021 counted separate houses at 57.3 per cent of all homes, with flats or apartments making up 33.4 per cent.
Where to begin
Send us your survey, plans and planning certificate. We will confirm which former council covered the lot and its slope rating, and then the approval path.
Local know-how
Northern Beaches local notes, from Seaforth to Avalon
Seaforth
Seaforth land was first sold in 1906, followed by later estates, so lot shapes and access vary. Census 2021 counted separate houses at 86.6 per cent of all lived-in homes. The Manly design plan has special rules for two areas. Near Clavering Road and Gurney Crescent, houses and pools generally must fit inside a buildable area shown on a map. On defined land in Rignold Street, a private stormwater line running down to the foreshore of the harbour is not permitted. The Gurney Crescent rules also require a site analysis that records trees, natural rock, cut and fill.
Avalon Beach
Avalon Beach began as a place of weekenders and holiday houses. The name was first used in December 1921, at the auction of the Palmgrove Estate. Permanent living grew from the 1950s. Parts of Avalon Parade have their own front building lines, among them 18 metres and 10 metres. Check them before you site a pool or garage in the front setback. In the Ruskin Rowe conservation area, fencing rules favour open boundaries so wildlife can move freely.
Terrey Hills
Terrey Hills mixes a village of houses with rural land, nurseries and horse properties. For a shed or stable, its actual use has to be stated first. Keeping your own horses in a stable is a different use from running a commercial boarding business. Driveways should suit horse floats and delivery trucks, because riders share the local roads. Mapped wildlife corridors can call for extra landscape information.
Dee Why
In Dee Why, 81.9% of occupied homes were flats, which are outside our work. Most of the rest are houses and townhouses. Controls written for the town centre do not extend to ordinary house lots close by. They cover pedestrian links, awnings, loading and parking for larger buildings. The suburb also drains to Dee Why Lagoon, so stormwater design deserves early attention.
Why Northern Beaches owners and builders go with CertifiBuild
CertifiBuild looks after homes and Class 10 work such as pools, decks, sheds, stables and garages. We work along the beaches often, and we know how each former council's plan and design rules still apply. Special area maps and lot controls are checked for your property before design is fixed. We answer queries promptly and plan inspections around your build program and trades. Where a lot sits under several map layers, we explain what each one means for the job.
Suburbs we cover
All 54 suburbs in Northern Beaches
We certify homes and Class 10 structures in every suburb listed. Some suburbs cross council boundaries, so we always confirm the council on your planning certificate.
- Allambie Heights
- Avalon Beach
- Balgowlah
- Balgowlah Heights
- Bayview
- Beacon Hill
- Belrose
- Bilgola Beach
- Bilgola Plateau
- Brookvale
- Church Point
- Clareville
- Clontarf
- Coasters Retreat
- Collaroy
- Collaroy Plateau
- Cottage Point
- Cromer
- Curl Curl
- Currawong Beach
- Davidson
- Dee Why
- Duffys Forest
- Elanora Heights
- Elvina Bay
- Fairlight
- Forestville
- Frenchs Forest
- Freshwater
- Great Mackerel Beach
- Ingleside
- Killarney Heights
- Lovett Bay
- Manly
- Manly Vale
- McCarrs Creek
- Mona Vale
- Morning Bay
- Narrabeen
- Narraweena
- Newport
- North Balgowlah
- North Curl Curl
- North Manly
- North Narrabeen
- Oxford Falls
- Palm Beach
- Queenscliff
- Scotland Island
- Seaforth
- Terrey Hills
- Warriewood
- Whale Beach
- Wheeler Heights
Nearby council areas
Neighbouring councils we cover.
Building near a council boundary, or planning another project close by? Each neighbouring council page explains its own local rules.
Our services
From approval to sign-off.
One certifier for the whole job, whichever council your lot is in.
Local questions
Questions we hear in this area.
No two lots are alike. Share your address and we will review the maps that cover it.
All council areasWhich rules cover my lot: Manly, Warringah or Pittwater?
It depends on which former council your land belonged to before the merger. Each old area keeps its own local environmental plan (LEP) and development control plan (DCP): Manly 2013, Warringah 2011 and Pittwater 2014. A few deferred parcels still run under the Warringah LEP 2000. Council’s land application maps show which set covers each property. Getting this right first matters, because setbacks, slope rules and excavation limits all differ between the three. We confirm the right set for your address first, then review drawings and advise on approval.
Will digging into my slope at Seaforth need a geotechnical report?
It may. Seaforth sits in the former Manly area, and its plan rates landslip risk using its own zones, G1 through G4. Your lot’s zone decides whether a cut needs a geotechnical report, which is an engineer’s check of ground stability. The other two former council plans use different systems, so the answer can change from one street to the next. In parts of Seaforth, such as near Clavering Road and Gurney Crescent, a site analysis recording rock, trees, cut and fill is also expected. We check the slope rating early.
Will coastal hazard rules affect a pool at Collaroy or Narrabeen?
It can. The beachfront between Collaroy and Narrabeen carries coastal hazard rules on top of the normal planning controls, and these can shape a pool’s position and construction. Coastal hazard mapping may also block a complying development certificate (CDC), leaving a development application (DA) to council. Lots a little further back may not be affected. Your planning certificate will show any coastal notation, and bushfire or heritage mapping may also apply. Once we have read it, we can advise on siting and the approval route.
Building in this area?
Send us the address first.
We check the local maps for your lot, confirm the approval path and quote in writing.