Two questions that don't usually lead a design brief elsewhere.
In most New Zealand cities, a landscape design brief opens with levels and views. In Christchurch, because so much of the urban area is genuinely flat, those questions matter less than they do elsewhere, and two others move up the list instead: what does this property's ground history allow structurally, and how does it sit against the city's characteristic wind exposure? Both are answerable early, and both can materially change what a workable concept looks like before a single line is drawn.
Ground history is the more unusual of the two, and it's specific to this city's post-earthquake context. Technical categories, settlement records and site-specific geotechnical information can affect what a concept can safely propose structurally, and that record isn't always visible from a walk around the section — it needs to be checked against the actual address. Wind is the more universal concern, but Christchurch's particular combination of nor'west and easterly exposure means a design that positions outdoor living space without accounting for both directions often needs shelter retrofitted within a year or two of the garden being finished.
01 · What a Christchurch design assessment covers
Design questions this city's history and geography actually raise.
A generic design checklist doesn't ask about ground classification or nor'west exposure — but on a Christchurch property, both can genuinely change what a workable concept looks like.
Technical category and settlement history
Site-specific geotechnical information affects what structural elements a concept can safely include, and it needs checking against the actual address rather than assumed for the suburb, particularly on rebuilt sections.
Nor'west and easterly wind exposure
A concept that positions outdoor living space without accounting for Christchurch's characteristic wind patterns often needs shelter retrofitted later — better to design it in from the start of the concept stage.
Plains vs. Port Hills brief
A flat Fendalton section and a Cashmere hillside section need almost entirely different design processes, from level survey depth to structural assumptions and even how many site visits are required.
Access for construction
Broad suburban streets generally suit design concepts that assume standard access, but townhouse infill and rear-lot sections need the concept tested against genuinely tighter access before it's finalised.
02 · What design fees depend on here
Ground complexity and site type set the fee more than section size.
Planning noteA Christchurch concept built on a genuine ground and wind assessment tends to need fewer revisions than one adapted from a flat, sheltered-site template after the fact.
03 · Two Christchurch design briefs
A flat established suburb vs. a Port Hills brief.
Flat established suburb
Typical locationFendalton, Merivale
Design leadWind-aware zoning and shelter placement
Structural noteGround history still checked, but rarely the dominant constraint
Port Hills brief
Typical locationCashmere, upper Sumner
Design leadSlope, access and geotechnical context
Structural noteSite-specific ground assessment is central to the concept, not a formality
04 · A Christchurch scenario
A wind-exposed brief in Fendalton.
Established flat section with strong nor'west exposure
A Fendalton property has a generous flat rear garden, but the boundary that would make the best entertaining spot faces directly into the prevailing nor'west wind. Rather than centring the concept on that boundary and treating wind as a later problem, the design places a shelter hedge and a partly enclosed structure early in the layout, freeing a more protected zone closer to the house for daily use. Ground condition on the site is checked but isn't the limiting factor here — the concept's real work is managing exposure, not structural constraint, and the client is walked through why the two questions get different amounts of attention on this particular property.
A contrasting Cashmere brief on the same design fee scale
A Cashmere client approaching the same studio with a similar budget gets a noticeably different process. The section's Port Hills position means the concept can't proceed past a rough sketch stage until site-specific geotechnical information comes back, since the terracing options being considered depend directly on what that assessment allows. Wind is still a factor in the eventual layout, but it takes second place to establishing what's structurally possible on the slope — a sequencing difference that surprises some clients used to how a flat-site brief usually runs.
05 · Choosing a designer for a Christchurch site
What to check before engaging.
- Ask whether the designer checks ground classification and settlement history for the specific address.
- Confirm the concept accounts for nor'west and easterly wind exposure in where outdoor living space and shelter are placed.
- For a Port Hills or Banks Peninsula property, check the designer's experience with slope-specific site assessment.
- For an infill or rear-lot site, confirm the concept has been tested against real access, not an assumed standard driveway.
Common questions about landscape design in Christchurch.
Does a flat Christchurch section still need a geotechnical check before design work starts?
It's worth confirming the property's technical category and settlement history even on flat ground, since post-earthquake ground behaviour isn't uniform across every suburb and it can affect what structural elements a concept can safely include.
Why does wind get so much attention in a Christchurch design brief?
The city's combination of nor'west and easterly exposure means an outdoor living area positioned without shelter in mind often ends up used far less than intended — designing shelter in from the concept stage avoids retrofitting it later.
Is a Port Hills design brief simply a more expensive version of a plains brief?
Not exactly — it's a different process, with site-specific geotechnical assessment central to the concept rather than a late-stage check, which is why fees and timelines for Port Hills work don't scale directly from a flat-site quote.
Sources & methodology
Designed to show its working.
Ground classification, technical categories and consent requirements should be verified with Christchurch City Council before design drawings are finalised. This page is general planning guidance, not a substitute for a site-specific geotechnical or design assessment.