Dean Dehghan-Khalaji

Dean Dehghan-Khalaji is the principal certifier at Southwell Certifiers, an independent NSW practice specialising in subdivision and strata certification. He is a Chartered Professional Engineer (CPEng), Registered Subdivision Certifier, and Registered Strata Certifier (BDC 05320), with project experience across 35-plus NSW councils. Dean works on projects ranging from two-lot infill subdivisions and duplex CDCs through to 200-plus lot staged releases.

31 articles published
land sub

The Full SWC Submission Package: A Developer’s Checklist for NSW

A Subdivision Works Certificate in NSW certifies the internal private works for a subdivision. The submission package falls into three groups: P1 (Plans), B + CW (Approvals from other authorities) and M (Miscellaneous plans and approvals). This is the subdivision works certificate checklist NSW developers need to lodge a complete package. The SWC sits between…

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house v civil - cc v swc

Construction Certificate vs Subdivision Works Certificate: Which One You Need and When

A Construction Certificate approves building work. A Subdivision Works Certificate approves the civil works that come with a land subdivision. Since 1 December 2019 in NSW, they have been separate certificates. Many projects need one. Some need both. If you are planning a duplex, townhouse, subdivision, or a project that mixes a new building with…

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aerial of dual occ

Dual Occupancy Subdivision NSW: 5 CDC Lot Size Rules Explained

Dual occupancy subdivision in NSW under CDC is governed by five lot size rules: the parent lot minimum, each resulting lot minimum, the 6m width rule, the lawful frontage rule, and the no-dwelling-behind-another rule. Miss one and the certificate cannot issue. The rules are not hidden, but they sit across two parts of the Codes…

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SWC approved Engineering plans

The 5 Subdivision Works Certificate Conditions NSW Developers Miss Most Often

Five conditions stop a Subdivision Works Certificate from being issued more often than any others in NSW: Section 138 Roads Act approval, service authority approvals, the Long Service Levy payment, dilapidation reports and security bonds, and engineering plan amendments to a construction-ready set. Each one sits between the DA consent and the SWC. Each one…

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Strata Certifier NSW

Strata Certifier NSW: What They Do, the Legislation, and Why a Strata Certifier Can Issue for DA Approvals

A Strata Certifier in NSW is a Registered Certifier authorised under the Strata Schemes Development Act 2015 to issue a Strata Certificate. Unlike a Subdivision Certifier, a Strata Certifier can issue the title certificate for both DA and CDC approvals. That distinction changes who you appoint, how the project closes out, and how quickly the…

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OSD UPRCT pic

Dual Orifice vs Single Orifice OSD Tank Design in NSW

A dual orifice on-site detention tank uses two outlets to control discharge across both small and large storms, while a single orifice system relies on one. Dual orifice designs match predevelopment flow rates more accurately across the 20% to 1% AEP range, reduce overflow risk, and align with the Upper Parramatta River Catchment Trust Handbook…

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active NSW subdivision site

Subdivision Compliance Certificate NSW: Inspections and Reports Required

A subdivision Compliance Certificate in NSW is only issued after the Certifier has carried out inspections during construction and reviewed supporting documents verifying that works and materials match the approved design. Without both, the Compliance Certificate cannot be issued, and will hold up the Subdivision Certificate. Subdivision projects involve serious infrastructure. Roads, kerbs, drainage, earthworks,…

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proposed terraces strata Pattern book CDC

NSW Pattern Book CDC: Plain English Guide to Approvals, Subdivision and Strata

NSW Housing Pattern Book explained. CDC vs traditional CDC, eligibility, requirements, timeline, cost, and how Torrens or strata subdivision is approved by a private certifier. Article The NSW Housing Pattern Book is a set of pre-approved housing designs. Low-rise patterns can be approved by a Complying Development Certificate (CDC) in 10 days. Mid-rise patterns use…

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About Southwell Certifiers

Southwell Certifiers Pty Ltd provides independent certification services across New South Wales for Subdivision Works Certificates, Complying Development Certificates, Subdivision and Strata Certificates and Compliance Certificates.

 

Our focus is clear advice, efficient approvals and reliable certification outcomes for developers, engineers, architects, project teams and surveyors.

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Southwell Certifiers Pty Ltd provides Dean Dehghan-Khalaji – Registered Certifier (BDC 05320)

admin@southwellcert.com.au

(02) 8734 5676

Sydney NSW

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