Understanding the terminology used in home renovations is crucial for homeowners embarking on construction projects. This comprehensive glossary from Rebilt will help you navigate the various terms and requirements associated with building or renovating in Sydney.
DA (Development Approval)
A Development Approval (DA) is a required consent from the council when planning to build something outside the Complying Development Certificate (CDC) scope. The council reviews all documents to ensure the project complies with the standard or State Environmental Planning Policy (SEPP). If compliant, the council approves the construction concept.
CDC (Complying Development Certificate)
A CDC allows you to undertake renovation or new building works without needing a separate Construction Certificate (CC). It combines the approvals into one streamlined process.
CC (Construction Certificate)
Before commencing building works, a Construction Certificate (CC) is required. It permits the start of construction and is necessary when obtaining a DA.
OC (Occupational Certificate)
An Occupational Certificate (OC) is needed after completing a renovation or new building and before moving in. Without this certificate, the property is still considered a building site.
BIC (Building Information Certificate)
A Building Information Certificate (BIC) is necessary when a CDC, DA, or OC was not initially obtained. It provides a statement proving the building’s compliance.
TAPIN (Sydney Water Tap In)
This document shows any of Sydney Water’s infrastructure under or near your property, crucial when planning to excavate.
GEOTECH (Geotechnical Certificate)
A Geotechnical Certificate provides soil classification and indicates the stability of the soil at a specific site.
DP (Deposited Plan)
A Deposited Plan (DP) defines the legal boundaries of the land and records subdivisions or easements.
BAL (Bushfire Attack Level)
The Bushfire Attack Level (BAL) is provided by Rural Fire Services and indicates the likelihood of a fire affecting the property.
BASIX (Basix Certificate)
A Basix Certificate ensures that the building meets standards for water, thermal, and energy efficiency.
LOT (Lot Number of Property)
Every property has a unique lot number and DP number. You can find this information here: NSW Planning Portal.
LSL (Long Service Levy)
The Long Service Levy (LSL) is required for all CDCs, DAs, or BICs as part of the application process. It funds the builder’s long service.
SEPP (State Environmental Planning Policy)
The SEPP contains compliance standards for CDCs and DAs. Every project aspect must meet SEPP standards for approvals to be granted.
HBCF (Home Building Compensation Fund)
In NSW, any projects over $20,000 must have home warranty cover to protect the homeowner, provided through the Home Building Compensation Fund (HBCF).
Construction Components and Terms
Beam: A structural component that spans open spaces, commonly used to support floors or roofs.
LVL Beam (Laminated Veneer Lumber): Multiple layers of timber bonded with adhesives, used for its strength and stability in beams and columns.
Flashings: Materials that prevent water penetration into a building, typically installed around windows, doors, and roofs.
Sarking: A layer of material beneath roof tiles that provides insulation, reflects heat, and prevents moisture ingress.
Caulking: A flexible sealing compound used to seal joints in homes against water, air, dust, and insects.
Damp Proof Course (DPC): A barrier designed to stop moisture from rising through a structure.
Efflorescence: A white powdery substance on concrete, brick, or stone, caused by water evaporating and leaving salt deposits.
Fascia: A horizontal board attached to the lower ends of the roof trusses, usually supporting the gutter.
Underpinning: Strengthening the foundation of an existing building or structure.
Scope of Work: A detailed description of the work to be performed within a contract, including materials, labour, and services.
Company Margin: The scaled percentage of margin added to the price of all works, covering the total running costs of the company, including insurances, inventories, licence costs, and gross profit.
DISCLAIMER
The above information is provided as a guide for educational purposes only. It is not intended to be applied to a specific project or address and should not be considered advice or diagnostic information. For questions related to a specific project, please call Rebilt on 1300 REBILT.
By understanding these terms, homeowners can better navigate the complexities of home renovations and ensure their projects meet all necessary requirements. For expert guidance and a seamless renovation experience, contact Rebilt today.
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