Complex Shopify Store Development for a Large Product Catalogue

The goal was to develop a Shopify storefront that could support the complexity of Water Gardening Direct's product catalogue while providing customers with a clear and practical shopping experience.

The project needed to:

• Create a clear navigation structure for a large product catalogue.

• Improve product and collection page layouts.

• Make it easier for customers to browse by category, product type and brand.

• Present important product information, specifications and delivery details clearly.

• Implement custom Shopify functionality beyond the standard Dawn theme.

• Integrate the apps and tools needed to support the store's wider ecommerce requirements.

• Provide a flexible storefront that could accommodate ongoing content, product and operational changes.

The challenge was not simply creating an attractive homepage. The store needed to support a large catalogue with different product types, technical requirements, product information and delivery arrangements.

Customers needed clear ways to find products, navigate between categories and access supporting information before purchasing.

Standard Shopify layouts alone would not provide all the functionality required. The storefront needed more tailored collection templates, product page layouts, navigation, filters and dynamic delivery information.

The project also involved a wider set of requirements, including app integrations, content migration, product data, supporting resources and testing.

The challenge was bringing these elements together into a coherent Shopify storefront that worked for both customers and the business.

I joined the project through Grey Coffee to provide Shopify development and technical implementation for Water Gardening Direct.

The store was built on a Dawn-based Shopify setup, which provided the initial foundation for the development work.

I extended that foundation with custom theme sections, navigation, collection and product templates, storefront functionality and app integrations.

A significant part of the work involved adapting Shopify to the needs of a product-heavy catalogue. This included custom mega menu functionality, collection layouts, product information, product filters, delivery messaging, supporting content and additional shopping features.

The project also involved configuring and integrating apps, supporting content migration, testing functionality and implementing the agreed storefront requirements.

Rather than treating each page as an isolated design, the development focused on creating a connected storefront where navigation, product discovery, product information and delivery details worked together.

Custom Shopify Theme Development

• Extended Shopify's Dawn theme with custom storefront functionality.

• Developed a custom header with predictive search and mega menu navigation.

• Built tailored homepage sections, including featured collections, promotional areas and brand carousels.

• Created a custom footer and supporting storefront components.

Navigation and Product Discovery

• Developed custom navigation to support a large and varied product catalogue.

• Created collection templates with breadcrumbs, custom sidebars and product grids.

• Implemented sub-collection templates and custom product collection cards.

• Added custom filters for selected product collections.

• Developed brand landing pages and shop-by-brand functionality.

Advanced Product Page Functionality

• Built tailored product page layouts to display more detailed product information.

• Added manufacturer references, product codes and client-specific product codes.

• Integrated product ratings, stock notifications and back-in-stock functionality.

• Implemented product tabs, sizing charts, videos, instruction manuals and supporting descriptions.

• Added associated products, wishlist functionality and ask-a-question features.

Dynamic Delivery and Store Logic

• Implemented dynamic delivery messaging based on product requirements.

• Supported different delivery types, including direct, pallet, next-day and standard delivery.

• Added shipping-zone logic to support different delivery requirements across the UK.

• Integrated supporting functionality for product add-ons and related shopping features.

Custom Storefront Features and Integrations

• Developed supporting help and advice content areas.

• Implemented custom search and results page functionality.

• Created spare-parts collection and product templates.

• Added custom calculators and product brochure downloads.

• Configured and integrated third-party Shopify apps to support reviews, wishlists, consent management, shipping, bundles, upsells and other store requirements.

Testing and Technical Delivery

• Supported the implementation of the agreed storefront structure and functionality.

• Assisted with content migration and upload.

• Tested theme functionality, app integrations and key shopping journeys.

• Worked through the development and delivery stages in collaboration with Grey Coffee.

The project delivered a significantly extended Shopify storefront designed around the practical requirements of a large and varied product catalogue.

The custom development provided clearer navigation, more flexible collection layouts and richer product pages, helping customers access the information they need when browsing and purchasing specialist products.

Dynamic delivery messaging, product-specific functionality, supporting content and app integrations helped bring more of the store's shopping requirements together within Shopify.

The project also demonstrates my experience working alongside an agency, taking an agreed design and project direction and translating it into working Shopify functionality.

It is a good example of Shopify development that goes beyond basic theme customisation: building the technical features, templates and integrations needed to support a more complex ecommerce business.