Redland · Duplex guide
Building a duplex in Redland: rules, approval and what the data shows
Redland City Plan 2018 (Version 14) sets the rules for a duplex or dual-occupancy project in Redland. The figures on this page come from 4 decided dual-occupancy and duplex applications recorded against Redland council, current to 9 Sept 2026.
Redland council records hold only 4 decided dual-occupancy and duplex applications in our dataset, too few to publish a reliable approval rate, so what matters in Redland is the zone rules that apply to your specific block.
not published
Approval rate
Redland duplex and dual-occupancy cohort too small to publish a rate
228 days
Median decision time
Lodgement to decision across 4 dated Redland cases
4
Decided applications
Redland dual-occupancy and duplex applications
18
Zones tracked
Redland duplex and dual-occupancy zone rows citing Redland City Plan 2018 (Version 14)
Do you need council approval for a duplex or dual-occupancy project in Redland?
Whether a duplex or dual-occupancy project in Redland needs a development application is decided by Redland City Plan 2018 (Version 14), which places each proposal in one of the three Planning Act 2016 categories: accepted development, code assessable or impact assessable. For a Redland lot the answer turns on the zone, any precinct mapped over it and the overlays that apply, so Redland council does not publish one blanket answer for duplex and dual-occupancy proposals.
Casa's rules register for Redland City Plan 2018 (Version 14) records dual occupancy as a contemplated use in 11 of the 18 Redland zones it tracks, code assessable in District Centre, Emerging Community, Local Centre, Low Density Residential, Low-Medium Density Residential and 5 other zones and impact assessable in Character Residential. In the 7 remaining Redland zones a dual occupancy is not an anticipated use, which in practice means impact assessment or an unlikely approval.
Minimum lot sizes and frontages for a Redland dual occupancy are set per zone and often per precinct, and the register figures for those minimums have not yet been checked against the scheme text, so this page quotes Redland's own wording below rather than printing an unchecked number.
The zone, precinct and overlay position of one Redland address is what settles the pathway for a duplex or dual-occupancy project, and a free Casa block check reads all three for any Redland lot in seconds.
What Redland’s scheme says about duplex and dual-occupancy development
The passages below are quoted word for word from Redland City Plan 2018 (Version 14), the instrument Redland council assesses duplex and dual-occupancy proposals against, from the Low-medium density residential zone code and Low density residential zone code, as Casa held the Redland scheme text on 9 Sept 2026.
“The purpose of the low-medium density residential zone code is to provide for residential areas with a high level of amenity, characterised by a mix of dwelling types including dwelling houses on a range of lot sizes, dual occupancies and smaller scale multiple dwellings.”
“The purpose of the low density residential zone code is to provide for residential areas with a high level of amenity and characterised by dwelling houses on a range of lot sizes which achieve a general sense of openness and low density streetscapes.”
Source for these Redland duplex and dual-occupancy passages: Redland City Plan 2018 (Version 14) (Redland council)
Duplex position by zone in Redland
Casa's register holds 18 Redland zone rows relevant to a duplex or dual-occupancy project, each citing Redland City Plan 2018 (Version 14), and precinct mapping and overlays tighten these duplex and dual-occupancy positions for individual Redland lots.
| Zone | Dual occupancy | Assessment |
|---|---|---|
| Character Residential | Yes | Impact assessable |
| District Centre | Yes | Code assessable |
| Emerging Community | Yes | Code assessable |
| Local Centre | Yes | Code assessable |
| Low Density Residential | Yes | Code assessable |
| Low-Medium Density Residential | Yes | Code assessable |
| Major Centre | Yes | Code assessable |
| Medium Density Residential | Yes | Code assessable |
| Mixed Use | Yes | Code assessable |
| Neighbourhood Centre | Yes | Code assessable |
| Principal Centre | Yes | Code assessable |
| Community Facilities | No | not held |
| Conservation | No | not held |
| Environmental Management | No | not held |
| Low Impact Industry | No | not held |
| Medium Impact Industry | No | not held |
| Recreation and Open Space | No | not held |
| Rural | No | not held |
"not held" means Redland's register has no value for that duplex and dual-occupancy cell, not that the scheme is silent. Height, setback and site-cover figures for Redland zones are held in the register but have not been checked against the scheme text, so they are not printed on this duplex and dual-occupancy page.
How duplex and dual-occupancy applications have fared in Redland
Our dataset holds 4 decided dual-occupancy and duplex applications recorded against Redland council, below the 8-decision threshold we publish approval rates at. Rather than dress a Redland sample of 4 up as a statistic, this page leans on the zone rules and the scheme's own wording.
Of those 4 Redland decisions, 4 were approved and 0 refused, the most recent on 13 Jan 2020.
Redland duplex and dual-occupancy decisions by year
| Year | Decided | Approved | Refused | Approval rate |
|---|---|---|---|---|
| 2018 | 2 | 2 | 0 | 100% |
| 2019 | 1 | 1 | 0 | 100% |
| 2020 | 1 | 1 | 0 | 100% |
Recent duplex and dual-occupancy decisions in Redland
The 4 most recently decided dual-occupancy and duplex applications recorded against Redland council, each cited by Redland's own application number so it can be looked up on the council's register.
| Application | Decision | Decided | Days to decision |
|---|---|---|---|
| MCU18/0222 | Approved | 13 Jan 2020 | 466 days |
| MCU18/0168 | Approved | 29 Jan 2019 | 187 days |
| MCU18/0052 | Approved | 13 Dec 2018 | 268 days |
| MCU17/0061 | Approved | 9 Feb 2018 | 150 days |
Duplex in Redland: common questions
Do I need council approval for a duplex or dual-occupancy project in Redland?
Only your lot's zone, precinct and overlays under Redland City Plan 2018 (Version 14) can answer that for a duplex or dual-occupancy project at a Redland address. Some compliant Redland proposals of this type proceed on building approval alone, while others need a full development application. Redland council has decided 4 dual-occupancy and duplex applications in our records, so the pathway question comes up occasionally in Redland.
Which zones allow duplex and dual-occupancy development in Redland?
Casa's register for Redland City Plan 2018 (Version 14) records duplex and dual-occupancy development as contemplated in Character Residential, District Centre, Emerging Community, Local Centre, Low Density Residential, Low-Medium Density Residential and 5 other zones, 11 of the 18 Redland zones tracked. Precinct mapping and overlays can still restrict a Redland lot inside one of those zones.
What does Redland City Plan 2018 (Version 14) say about duplex and dual-occupancy development in Redland?
The Low-medium density residential zone code (section 6.2.2.2) states: "The purpose of the low-medium density residential zone code is to provide for residential areas with a high level of amenity, characterised by a mix of dwelling types including dwelling houses on a range of lot sizes, dual occupancies and smaller scale multiple dwellings."
About this guide
The zone rows on this page come from Casa's rules register for Redland City Plan 2018 (Version 14), and the statistics from 4 decided dual-occupancy and duplex applications recorded against Redland council between 9 Feb 2018 and 13 Jan 2020, computed on 9 Sept 2026.
Redland amends its scheme over time, and precincts, local plans and overlays can vary these duplex and dual-occupancy rules for a single Redland lot. Past Redland decisions describe how comparable duplex and dual-occupancy proposals fared and do not predict any future application.
This page is general information, not planning or legal advice.
Would a Redland block support a duplex or dual-occupancy project? Check the address free.
Redland-wide duplex and dual-occupancy rules give the frame, and a free block check reads the zone, precinct and overlays for one Redland address and returns a Casa Score for a duplex or dual-occupancy project in seconds.
What the Redland duplex rules mean for your site
This guide covers Redland at council level across 4 decided dual-occupancy and duplex applications. A Preliminary Planning Report covers one address: the likely pathway for a duplex or dual-occupancy project, the constraints on that Redland lot, and the comparable Redland approvals, prepared by our planning team and delivered within three business days.