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assemblarchitecture OS

Lantern Row Architects is fictionalExample data, live NZ sourcesNothing here sends, lodges or publishes

Index · assembl OS for architecture · Example practice · demo data

Offices · New Zealand time

  • Tāmaki Makaurau · Auckland

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  • Ōtautahi · Christchurch

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02 Projects / LR-25-007 · Example

Detailed design

Gully House.

Study model of a two-storey timber addition on a steel frame stepping down a bush gullyIllustrative
Fig. 01 / House alteration and additionGenerated study-model image, not the building

The project

A two-storey addition to a 1950s house on a steep gully, stepping down the slope to the sun.

Area
182 m² GFA
Year
2027 (planned)
Structure
Timber frame, steel portal on the slope
Status
Detailed design
Client
Example private client
Storeys
2

The existing house sits at the top of a gully and turns its back on the sun. The addition steps down the slope on a steel portal so the living rooms face north over the trees.

We started from a measured survey of the existing house, because the 1950s drawings were not reliable. The survey against the base drawings is below: most walls are within 10 mm, two are not.

Detailed design is under way. The consent pre-check has flagged two things for the architect to look at before the set is lodged.

Fig. 02Build state

Example · as at 8 Nov 2026 · consent, inspections, money, programme

Gully House: axonometric massing, shown while the build model loads

Gully House · Example point-cloud model from the project geometry · as at 8 Nov 2026

The house assembles in build order, then each part settles into where it is at. Drag the model or use the buttons to turn it; pick a card or a part to find it.

  • Designed: outline in light
  • Consented: sparse cloud

Programme

Up to 14 days late ahead · Example

  1. Brief and measured surveyDone 24 Feb 2025, planned 10 Feb 2025, 14 days late
  2. Concept optionsDone 18 Aug 2025, planned 4 Aug 2025, 14 days late
  3. Resource consent grantedDone 18 Mar 2026, planned 27 Feb 2026, 19 days late
  4. Developed designDone 24 Jul 2026, planned 10 Jul 2026, 14 days late
  5. Detailed design and consent set (now)Forecast 27 Nov 2026, planned 13 Nov 2026, 14 days late
  6. Building consent lodgedForecast 15 Feb 2027, planned 1 Feb 2027, 14 days late
  7. TenderForecast 24 May 2027, planned 10 May 2027, 14 days late

Building consent authority · Example

Building consent

Preparing the set
  1. Preparing the set: now
  2. Lodged with the BCA: to come
  3. Request for information: to come
  4. Granted: to come
  5. Inspections: to come
  6. CCC applied for: to come
  7. Code compliance certificate: to come
  • Developed design signed off by the client
  • Consent pre-check run; flags with the architect
  • Lodge with the BCA (planned)

Resource consent

Granted

Resource consent granted, 18 Mar 2026.

Inspections

None yet · Example

No inspections until the building consent is granted. The BCA’s first inspection will be the piles and retaining footings.

Who owes what

NZD excl. GST · Example figures

Payment claims to the client

Claimed
$56,400
Paid
$49,200
Outstanding
$7,200
Overdue
$0
  • PC-06Detailed design, OctOur fee · issued 4 Nov · due 20 Nov$7,200Not yet due
  • PC-05Detailed design, Aug and SepOur fee · issued 2 Oct · due 19 Oct$6,000Paid
  • PC-04Developed designOur fee · issued 7 Aug · due 24 Aug$17,280Paid
3 earlier claims, all paid ($25,920)
  • PC-03Preliminary designOur fee · issued 9 Jan · due 26 Jan$11,520Paid
  • PC-02Concept optionsOur fee · issued 5 Sept 2025 · due 22 Sept 2025$9,600Paid
  • PC-01Pre-design and the measured survey briefOur fee · issued 7 Mar 2025 · due 24 Mar 2025$4,800Paid

We owe consultants

Invoiced
$15,650
Paid
$11,050
Outstanding
$4,600
Overdue
$0
  • 30 NovStructural engineer: retaining wall and bracing design, to dateExample structural engineer · Held: query on the hours against the retaining wall scope$4,600Held
  • 20 Mar 2025Surveyor: measured survey of the existing houseExample measured survey$3,200Paid
  • 30 SeptGeotechnical engineer: slope reportExample geotechnical engineer$7,850Paid

From line to life

Gully House, taking shape

Let the plan rise into a building. Explore its form, reveal the interior, or step into a room.

01Sketch
Preparing the building…

The room index and project details remain available below.

Use the timeline or select a stage

Example project geometry. Design stages illustrate the proposal, not consent approval or actual construction progress. Room viewpoints are indicative; this is not a measured survey or an automatic drawing-to-model conversion.

Fig. 03Drawing set

Drawn from the project geometry · grids A–D, 1–7 · rev B

Gully House: ground floor plan on grids A to D and 1 to 7, 12 by 9 metres.ABCD1234567LIVING35 m²KITCHEN25 m²BEDROOM18 m²BATH10 m²ENTRY AND STAIR20 m²40004000400012000 overall9000N0125mGROUND FLOOR PLAN · 1:100 AT A1
Project
Gully House
Project no.
LR-25-007
Sheet
A-101 Ground floor plan
Scale
1:100 at A1
Drawn by
LR (example)
Date
2026-11-02
Revision
B
Status
Example practice · demo data

Fig. 04Measured survey against base drawings

Example deviations · drawn 40 times true size

Measured survey of the existing house against the base drawings. Example deviations, drawn 40 times true size.

Points
56
Within 10 mm
44
Watch, to 25 mm
9
Outside
3 · max 38 mm

Drag the handle or use the arrow keys. Circles are within tolerance, diamonds are on watch, and filled marks are outside. Pai turns the outside points into a defects list for the architect.

Gully House: base drawingsABCD1234567LIVING35 m²KITCHEN25 m²BEDROOM18 m²BATH10 m²ENTRY AND STAIR20 m²40004000400012000 overall9000N0125mGROUND FLOOR PLAN · 1:100 AT A1
Measured survey of Gully House: example deviations from the design at 56 points along the outer walls.ABCD1234567+38 mmMEASURED SURVEY · EXAMPLE DEVIATIONS ×40

Fig. 06Energy, modelled against target

Oct 2027 onwards · kWh/m² · Example

Modelled, 12 months
49.1 kWh/m²
Target, 12 months
46.6 kWh/m²
Against target
+5.4%
Months over target
8 of 12
Modelled energy use against target by month, Oct 2027 to Sept 2028. Modelled 49.1 against a target of 46.6 kWh/m². Example data. The table below has the same figures.02468OctDecFebAprJunAugkWh/m²ModelledTarget
Modelled and target energy use by month, kWh/m². Example data.
MonthModelledTargetDifference
Oct 20273.63.4+0.2
Nov 20273.02.9+0.1
Dec 20272.52.5±0.0
Jan 20282.32.4−0.1
Feb 20282.42.5−0.1
Mar 20282.92.9±0.0
Apr 20283.83.6+0.2
May 20284.94.6+0.3
Jun 20286.15.6+0.5
Jul 20286.66.0+0.6
Aug 20286.25.7+0.5
Sept 20284.84.5+0.3

Fig. 07Fees and stages

Kaupapa · Example · shares of the agreed fee

Share of the agreed fee claimed so far · Example

58.8%

StageDeliverableShare of feeClaimedStatus
Pre-designBrief, site study, programme5%
100%
Claimed
Concept designOptions and a preferred concept10%
100%
Claimed
Preliminary designPlans, sections and an outline specification12%
100%
Claimed
Developed designCoordinated design with consultants18%
100%
Claimed
Detailed designConsent and construction set25%
55%
In progress
ProcurementTender documents and tender review5%
0%
Not started
Construction observationSite visits, RFIs, variations and claims20%
0%
Not started
CompletionPractical completion, defects and CCC support5%
0%
Not started

Stage names are the generic sequence New Zealand practices use. Shares and progress are Example figures; there are no prices on this page.

Fig. 09Consultants

Kaupapa · Example

RoleWho (Example)StageNextBall in court
Structural engineerExample structural engineerDetailed designRetaining wall and bracing designWaiting on them
Geotechnical engineerExample geotechnical engineerReport issuedAvailable for the retaining wall reviewNothing outstanding
SurveyorExample measured surveyCompleteSurvey issuedNothing outstanding

Fig. 10Document register

Superseded revisions stay visible

SheetTitleRevStatusDate
A-001Cover and drawing listBFor coordination2 Nov 2026
A-101Lower floor planBFor coordination2 Nov 2026
A-102Upper floor planBFor coordination2 Nov 2026
A-401Cladding junction detailsAFor coordination28 Oct 2026
GEO-01Geotechnical report1Issued15 Sept 2026

Fig. 11Programme

Example

  1. Feb 2025Brief and measured survey
  2. Aug 2025Concept options
  3. Mar 2026Resource consent granted
  4. Jul 2026Developed design
  5. Nov 2026Detailed design and consent set (now)
  6. Feb 2027Building consent lodged
  7. May 2027Tender

Fig. 12Materials by embodied share

Example

  • Steel portal and connections24%
  • Concrete piles and retaining22%
  • Timber framing and linings17%
  • Glazing and frames14%
  • Cladding and roofing12%
  • Insulation and membranes6%
  • Other5%

Fig. 13Site terrain

Real LINZ LiDAR · example site at a public place

The ground is real: LINZ’s 1 m elevation model at Wellington Botanic Garden, a public place used as the example site. No building is proposed there.

Studio tool: /lab/site, with rain to show where water runs and pools.

LINZ 1 m elevation · Wellington Botanic Garden

A 3D model of the real ground, with rain to show where water runs and pools. It downloads elevation tiles when it opens.

Open full screen

Fig. 14Lessons

Kept for the next project

  • Measure the existing house before concept design. Two walls were out by more than 20 mm against the old drawings.
  • Bring the geotechnical engineer to the first site visit on a steep site, not after concept.
  • Show the client the section through the gully early; it explained the steel portal better than any plan.

Fig. 15Credits

All Example

Architect
Lantern Row Architects (example)
Client
Example private client
Structural engineer
Example structural engineer
Geotechnical engineer
Example geotechnical engineer
Surveyor
Example measured survey