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If you are planning to sell online, the first question is usually the same: how much does ecommerce website design cost in the UK? The honest answer is that it depends on what you are selling, how many products you have, and how much of the work you do yourself. A simple Shopify store can cost under £1,000, while a custom-built shop for a growing retailer can run past £20,000. This guide breaks down the real price ranges for 2026, what you actually get at each level, and the hidden costs that catch most business owners by surprise.

Ecommerce Website Design Costs at a Glance (2026)

For a quick sense of the market: a DIY store built on Shopify or WooCommerce typically costs £300 to £1,500 in setup, mostly your own time plus a theme and a few apps. A freelancer-built store usually runs £1,500 to £5,000. A small agency build sits between £5,000 and £12,000, and a larger agency or custom build starts around £12,000 and can exceed £30,000 for complex requirements such as custom checkout flows or integrations with stock and accounting systems.

Monthly running costs sit on top of this. Shopify plans start at around £25 a month, WooCommerce hosting from about £10 a month, and payment processing typically takes 1.4% to 2.9% of each sale plus a fixed fee. Budget for these from day one — they are not optional extras.

DIY: Shopify and WooCommerce (£300–£1,500)

Building the store yourself is the cheapest route and a sensible choice if you have under 50 products and simple needs. Shopify is the easiest starting point: you pick a theme, add products, connect a payment provider and you can be selling within days. WooCommerce, which runs on WordPress, costs less per month but needs more technical confidence. Shopify’s UK pricing page lists current plans, and the WooCommerce site explains what its free core plugin does and does not include.

The trade-off is time and polish. A DIY store can look fine, but it rarely converts as well as a professionally designed one, and every hour you spend wrestling with settings is an hour away from your products and customers. If your time is worth more than £30 an hour, a freelancer often pays for itself.

Freelancer-Built Stores (£1,500–£5,000)

A good freelancer will design your store around your brand, set up product pages, collections, payment and shipping, and handle the technical details you should not have to think about. This is the sweet spot for most small UK retailers launching their first proper online shop. Expect a clean, mobile-first design, basic SEO setup, and training so you can add products yourself afterwards.

Before you hire anyone, ask for three live stores they built and check them on your phone. Mobile shoppers are the majority of UK ecommerce traffic now, so a store that only looks good on desktop is a store that loses sales. Our guide to how much a website costs in the UK explains the same pricing logic for brochure sites, which helps you judge whether a quote is fair.

Agency-Built Stores (£5,000–£30,000+)

Agencies cost more because you are paying for a team: a designer, a developer, a project manager and usually someone thinking about conversion and SEO. A £5,000 to £12,000 agency build suits a retailer with a few hundred products that needs a polished, conversion-focused store. Above £12,000 you are usually paying for custom functionality — bespoke product configurators, subscriptions, trade pricing, or integration with an ERP or warehouse system.

If you are weighing Shopify against WooCommerce for an agency build, our guide to how much a Shopify website costs in the UK breaks down the platform decision in detail. The right platform matters more than the design itself, because switching platforms later is expensive.

Hidden Costs Most Quotes Leave Out

The design quote is rarely the full cost. Product photography often costs £500 to £2,000 for a small catalogue, and poor photos are the single biggest conversion killer on a new store. Copywriting, logo work, and setting up email marketing add more. Then there are the ongoing costs: apps and plugins (£20–£200 a month), payment fees, and maintenance. A website redesign later on costs far more than getting the store right the first time, so budget properly now rather than paying twice.

Also ask what happens after launch. A quote that includes a month of support and training is worth more than a cheaper quote that ends the day the site goes live. Your first month of real orders will surface problems — a confusing checkout step, a missing delivery option — and you want someone available to fix them.

How to Keep Costs Down Without Cutting Corners

Start with the platform that fits your product count and budget, not the one with the most features. Write your own product descriptions if you know your products well — nobody else can describe them as convincingly. Use a premium theme rather than a fully custom design for your first store, and spend the saving on photography and a proper checkout setup. Finally, get three quotes and compare what is included, not just the headline price: a £3,000 quote that includes SEO setup, training and a month of support beats a £2,000 quote that includes none of them.

FAQ

How much does a basic ecommerce website cost in the UK?

A basic Shopify or WooCommerce store built by a freelancer costs £1,500 to £5,000 in 2026. A DIY build can cost under £1,000, while an agency build starts around £5,000.

Is Shopify or WooCommerce cheaper for a UK small business?

WooCommerce is usually cheaper month to month, but it needs more of your time and some technical confidence. Shopify costs more in subscription fees but is faster to launch and easier to manage day to day.

What are the ongoing monthly costs of an online shop?

Expect £25 to £200 a month for the platform, apps and hosting, plus payment processing fees of roughly 1.4% to 2.9% per sale. Budget for these separately from the design cost.

How long does it take to build an ecommerce website?

A simple store takes two to four weeks. A freelancer or agency build with a few hundred products typically takes four to eight weeks, and custom builds with integrations can take three months or more.