Ecommerce 02

Ecommerce Website Development NZ � The 2026 Guide.

Everything you need to know about building an online store in New Zealand � platforms, payment gateways, real pricing, and the questions most people forget to ask until it is too late.

Why ecommerce is different from a brochure site.

A brochure website presents information � your services, your story, your contact details. An ecommerce website transacts money. That distinction changes everything.

An online store must handle product data (SKUs, variants, inventory counts), shopping cart logic, secure checkout, payment processing, tax calculations (GST in NZ), shipping rules, and order management. It must also protect customer data � credit card details, addresses, purchase history � under PCI DSS standards and NZ privacy law. A brochure site with a contact form carries none of this liability.

The technical surface area is much larger. When someone visits your brochure site, they load 5�10 pages. When someone shops your store, they might browse 200 products, filter by six attributes, add items to cart, apply a discount code, calculate shipping to Invercargill, and complete payment � and every step must work, fast, on mobile, at 11pm on a Sunday. This is fundamentally different engineering from a brochure site, and it costs accordingly.

The practical implication: you cannot take a brochure-site quote and "add a shop page." The platform decision, the payment integration, the product data model, and the ongoing maintenance model all change. If a developer quotes you $3,000 for "a website with ecommerce," you are almost certainly getting a template with a PayPal button glued on � and you will outgrow it within six months.

Choosing your platform � Shopify vs WooCommerce vs custom.

Platform choice is the single biggest decision you will make for your online store � it determines your build cost, your monthly overhead, your flexibility, and how much you rely on a developer for day-to-day changes.

	Shopify	WooCommerce	Custom Build
Build cost	$3,000�$12,000	$6,000�$25,000	$25,000�$80,000+
Monthly platform fee	$59�$399/mo	$25�$150/mo hosting	$50�$500/mo hosting
Transaction fees	2.4%�2.9% + $0.30	0% (only gateway fee)	0% (only gateway fee)
NZ gateway support	Windcave, Stripe, Afterpay, POLi, PayPal	Windcave, Stripe, Afterpay, POLi (via plugins)	Any � custom integration
Ease of use	Very easy; managed platform	Moderate; WordPress familiarity helps	Developer-dependent
Flexibility	Limited by Shopify's ecosystem	High � open source, full code access	Unlimited � built to your spec
Best for	Quick launch, standard store models, up to ~2,000 SKUs	Content-rich stores, complex product configs, control over UX	Unique business models, B2B portals, multi-vendor marketplaces, heavy integrations

Shopify � the NZ default for a reason

Shopify powers a huge share of NZ online stores, and for good reason. It handles hosting, security, and PCI compliance out of the box. It integrates natively with Windcave (the most widely used NZ payment gateway), Afterpay, and all major NZ courier services. You can be selling within days of launch, and you do not need a developer to add products or process orders.

The trade-off: Shopify charges transaction fees on every sale unless you use Shopify Payments (available in NZ). Customising the checkout experience beyond what Shopify allows requires a Shopify Plus plan ($2,300+/month). And if Shopify changes its pricing or policies, you adapt or leave � you do not own the platform.

WooCommerce � more control, more responsibility

WooCommerce is a free plugin for WordPress that turns your site into an online store. Because it is open-source, you own everything � the code, the data, the customer list. There are no platform transaction fees (you only pay your payment gateway). You can customise every pixel of the checkout, build complex product configurators, and integrate with any NZ service that has an API.

The trade-off: you are responsible for hosting, security, updates, and backups. A WooCommerce store that sells $200K/year of product needs proper hosting (not a $10/month shared plan) and someone who keeps plugins updated and the site fast. Neglect this and you get a slow, vulnerable store that haemorrhages sales.

Custom build � when off-the-shelf will not cut it

A custom ecommerce platform makes sense when your business model does not fit the Shopify/WooCommerce mould. Examples: B2B wholesale with customer-specific pricing and bulk ordering, multi-vendor marketplaces (like Trade Me or Felt), subscription box services with complex fulfilment logic, or stores that need to integrate tightly with a custom ERP or inventory system.

Custom builds are expensive � $25,000 is the floor, and most real-world projects land between $40,000 and $120,000. But for the right business, the ROI is clear: you build exactly what you need, with no monthly platform tax, no plugin incompatibility, and a system that grows with you.

NZ payment gateways � what your customers expect.

Kiwis have specific payment preferences, and your choice of gateway directly affects conversion rate. A checkout that feels unfamiliar or lacks a preferred payment method will lose sales � NZ shoppers abandon carts at roughly 70%, and a confusing payment step is one of the top reasons.

Gateway	Transaction fee (NZD)	Customer perception	Notes
Windcave	2.6%�2.9% + $0.30	Trusted, familiar � the NZ standard	Formerly Payment Express. Dominant in NZ retail. Smooth checkout hosted on their domain or embedded. Supports Visa, Mastercard, Amex.
Stripe	2.7%�2.9% + $0.30	Modern, clean � increasingly common	Excellent developer experience, strong API. Good for subscription billing. NZ customer support improving. Embedded checkout is seamless.
Afterpay	4%�6% of transaction	Expected by under-40s for purchases over ~$75	BNPL is huge in NZ. Afterpay and Laybuy (NZ-founded) are the two majors. You pay higher fees but typically see higher average order values and conversion rates.
POLi	1% (capped at ~$3)	Familiar to older demographics, less so to younger	Bank-transfer-based. No chargebacks. Lower fees but requires customers to log into internet banking during checkout � friction that some find off-putting.
Bank Transfer	$0	Manual, slow � some B2B customers prefer it	Common for wholesale, trade accounts, and high-value purchases. Manual reconciliation required. Not suitable for consumer impulse purchases.
PayPal	2.6%�3.4% + $0.45	Familiar, safe � but not dominant in NZ	Still used by a segment of NZ shoppers, especially for international purchases. Easy to add. Fees are higher than Windcave/Stripe for domestic transactions.

What this means in practice: for a typical NZ consumer store, you want Windcave or Stripe as your primary gateway, plus Afterpay. If you sell higher-ticket items ($150+), Afterpay will pay for its higher fees through increased conversion. For B2B or trade, add bank transfer as a manual option. POLi is optional � it is cheap per transaction but the login-friction costs you more in drop-off than you save in fees.

What an ecommerce build actually includes.

A proper ecommerce build is not just "design + a cart." Here is what a complete online store build should include, broken down by component:

• Product catalogue. Product pages with variants (size, colour, etc.), SKU management, product images with zoom, inventory tracking, categories and collections, search with filters. For stores with 200+ products, the catalogue structure and taxonomy design is a significant piece of work in itself.
• Shopping cart and checkout. Persistent cart (items survive page navigation), cart drawer or dedicated cart page, promo code field, shipping estimator, guest checkout option. The checkout flow itself � single-page or multi-step, address autocomplete (NZ Post API), order summary, payment method selection � is the highest-stakes UX in the entire store.
• Payment gateway integration. Connecting to Windcave or Stripe, handling 3D Secure authentication, declined payment handling, refund processing via admin panel. Each gateway has its own integration pattern and edge cases.
• Shipping calculator. Real-time rates from NZ Post, NZ Couriers, or Post Haste; flat-rate rules; free shipping thresholds; rural delivery surcharges; international shipping zones. NZ shipping is relatively straightforward compared to the US, but rural delivery and island addresses (Waiheke, Great Barrier, Stewart Island) need handling.
• GST and tax handling. GST-inclusive pricing (mandatory for NZ B2C), tax-exempt sales for B2B with IRD number collection, correct tax display on invoices and packing slips. If you sell to Australia, GST registration and ATO reporting adds another layer.
• Inventory management. Stock level tracking, low-stock alerts, backorder handling, multi-warehouse if you hold stock in more than one location. Integration with Unleashed, Cin7, or Dear Inventory for serious operations.
• Email automation. Order confirmation, shipping confirmation with tracking number, abandoned cart recovery (typically via Klaviyo or Mailchimp), customer win-back sequences, post-purchase review requests. Abandoned cart emails alone typically recover 5�15% of lost sales.
• Order management. Admin dashboard to view orders, update fulfilment status, print packing slips, trigger shipping notifications, process refunds. For higher volume, integration with a 3PL or warehouse management system.
• Content and SEO. Category page content, product descriptions, meta titles and descriptions, schema markup (Product, Organization, BreadcrumbList), XML sitemap, Google Merchant Centre feed for free product listings and Shopping ads.

Not every store needs every component on day one � you can launch with manual inventory and add automation later. But you should know what is in scope and what is not before you sign anything.

Ecommerce pricing in NZ � real 2026 numbers.

These are build costs only � design, development, and launch. Platform subscriptions, payment gateway fees, and ongoing maintenance are covered in the next section.

Tier	What you get	NZ price range	Best for
Starter Shopify	Premium theme setup, up to 50 products, 1 payment gateway, basic SEO, mobile-ready, domain + email setup	$3,500�$6,500	Side hustles, testing a product line, very small catalogues
Pro Shopify / WooCommerce	Custom design, 50�500 products, multi-gateway (Windcave + Afterpay + Stripe), shipping rules, email automation, inventory tracking, advanced SEO, speed optimisation	$8,000�$18,000	Growing online retailers, DTC brands, established SMEs going online
Advanced Ecommerce	Bespoke design, 500�5,000+ products, complex variant handling, B2B customer portal, multi-currency, custom checkout logic, ERP/inventory integration, subscription/recurring billing	$20,000�$50,000	Established retailers, wholesalers with trade accounts, multi-channel brands
Custom Platform	Fully bespoke ecommerce application, unlimited products, custom business logic, API-first architecture, headless commerce, real-time integrations, dedicated infrastructure	$50,000�$150,000+	Unique business models, B2B platforms, marketplaces, high-volume enterprise
Enterprise / Marketplace	Multi-vendor platform, complex workflows, regulatory compliance, high-availability architecture, dedicated DevOps, ongoing team	$150,000�$400,000+	Large retailers, multi-vendor marketplaces, nationwide platforms

Why the range is wide: two stores that look similar can cost $8,000 or $25,000 depending on the number of unique page templates, the complexity of product variations, the number of integrations (shipping, accounting, email, inventory), whether you need a custom checkout flow, and whether you are supplying your own product photography and copy or need it created. The difference is almost never in visual design � it is in the operational logic underneath.

Ongoing costs � hosting, transaction fees, maintenance.

The build cost is one thing. The cost of running the store is ongoing and often underestimated. Here is what to budget:

Cost	Typical range (NZD)	Frequency
Shopify subscription	$59�$399/month	Monthly
WooCommerce hosting (proper, not shared)	$40�$200/month	Monthly
Custom platform hosting + infrastructure	$80�$600/month	Monthly
Domain name (.co.nz or .nz)	$30�$60/year	Annual
SSL certificate	Free (Let's Encrypt) � $200/year	Annual
Payment gateway � Windcave / Stripe	2.6%�2.9% + $0.30 per transaction	Per transaction
Afterpay / Laybuy fees	4%�6% of transaction value	Per transaction
Shopify transaction fee (if not using Shopify Payments)	0.5%�2% additional	Per transaction
Maintenance & updates	$150�$600/month	Monthly
Plugin / app subscriptions (SEO, reviews, shipping, etc.)	$30�$400/month	Monthly
Email marketing platform (Klaviyo, Mailchimp)	$30�$300/month	Monthly
Google Workspace / Microsoft 365	$12�$30/user/month	Monthly

Example: a store doing $15,000/month in sales on Shopify:

• Shopify plan: ~$105/month
• Transaction fees (2.7% on $15K): ~$405/month
• Afterpay on ~30% of orders (6% on $4,500): ~$270/month
• Apps and plugins: ~$100/month
• Email marketing (Klaviyo up to 2,500 contacts): ~$60/month
• Maintenance retainer: ~$250/month
• Total: ~$1,190/month � or roughly 8% of revenue. That is within the normal 5�12% range for a healthy ecommerce operation.

Questions to ask before you build an online store.

Before you sign a proposal or pay a deposit, work through these questions. If you cannot answer them, you are not ready to brief a developer. If a developer cannot answer them clearly, you are talking to the wrong one.

1. How many products will you sell, and how many variants per product? A store with 30 products is a different build from one with 3,000. Be specific � this determines your catalogue architecture and admin UX.
2. Do you need B2C, B2B, or both? B2B features � trade pricing, bulk ordering, purchase orders, account-based checkout, GST-exempt invoicing � add significant complexity and cost.
3. Where will you ship � NZ only, Australia, or international? Shipping to Aussie requires GST registration if you sell over A$75K/year. International shipping needs multi-currency, customs forms, and carrier integrations.
4. How will you manage inventory? Manual updates, CSV imports, or integrated with Unleashed/Cin7/Dear? The answer drives both build cost and ongoing operational overhead.
5. What payment methods do your customers actually use? Do not guess. If you already sell through another channel, look at the data. If not, start with Windcave + Afterpay and expand based on customer feedback.
6. Who will manage content � products, pricing, promotions, blog? If that person is not tech-savvy, Shopify's admin interface is likely a better fit than WooCommerce.
7. What happens when something breaks at 9pm on a Saturday? Ecommerce stores do not keep office hours. Ask your developer about support SLAs, emergency response times, and whether they have a backup developer if they are unavailable.
8. Do you own the store and the customer data? The answer must be an unambiguous yes. If the developer hosts the site, you should still have admin access to hosting, domain, and all third-party accounts. Never let a developer be the sole account holder for anything you depend on.
9. What is the plan for after launch? The launch is not the finish line � it is the start. Who handles SEO, conversion rate optimisation, A/B testing, email flows, seasonal campaigns? Build a post-launch relationship into your budget from day one.

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