How Much Does It Cost to Build a Shopify Store? UK Prices for 2026

A Shopify build in the UK costs between £3,000 and £150,000 depending on scope. A theme setup with your branding sits at the bottom. A custom Shopify Plus build with ERP integration and B2B sits at the top. Most growing brands land somewhere between £15,000 and £45,000.

Almost every guide to this question refuses to give numbers. This one gives them, along with the reasoning, so you can sanity-check a quote before you accept it.

What you pay for

Development is sold in three ways in the UK, and the model matters more than the headline rate.

Day rate. The honest way to buy work when scope will move. UK rates in 2026 run roughly £250–£400 a day for junior and mid-level developers, and £450–£900 a day for senior specialists and agencies. For reference, our own rates are £450/day for backend and integration work, £350/day for frontend, theme and CRO work.

Fixed project price. Better when the deliverable is defined — a migration, a theme build, a specific feature. The risk transfers to the developer, which is why fixed prices carry a margin over the equivalent day-rate cost. That margin is the price of certainty and it’s usually worth paying.

Retainer. For ongoing work. UK retainers typically run £500–£5,000 a month. Below about £900 you’re buying reactive fixes rather than progress.

Beware quotes that convert straight from an hourly rate with no estimate attached. “£75 an hour” tells you nothing about what the invoice will say.

Cost by project type

These are UK market ranges for 2026, consistent with published rate cards from agencies working at this level. A quote well outside them isn’t necessarily wrong — but it’s worth asking why.

The five things that drive the price

Most people assume design complexity sets the cost. It rarely does. These are the real drivers:

1. Your product data. A catalogue of 200 simple products is a week. A catalogue of 12,000 products with configurable options, case-pack and unit variants, and attributes buried in tag strings is a project of its own — before anyone touches the storefront. Product data is the single most underestimated line in every Shopify build.

2. Integrations. A store that stands alone is straightforward. A store that has to agree with an ERP, a warehouse system, an accounts package and a 3PL is a systems project wearing a storefront. Each connection needs mapping, error handling, retry logic and reconciliation — and the failure modes are where the real work lives.

3. B2B and wholesale. Company accounts, price lists, payment terms, quantity rules and approval flows. Native Shopify B2B covers a lot of this now, which has brought the cost down considerably from a few years ago, but wholesale logic is still where scope quietly doubles.

4. Migration complexity. Moving from another platform means mapping a data model that doesn’t align with Shopify’s, and preserving SEO across every legacy URL. See our migration guide for what that involves.

5. Who does the content. Product copy, photography and page content are frequently assumed to be in scope and frequently aren’t. Agreeing this up front prevents the most common source of launch delay.

Where budgets go wrong

Three patterns, in order of how often we see them.

Scope agreed in a conversation rather than a document. The build starts, expectations diverge, and by week six there are two different projects being discussed. A written scope is not bureaucracy — it’s the thing that makes a fixed price meaningful.

Data left until the end. Product data, customer records and order history get treated as an admin task for launch week. They’re not. They’re a workstream, and discovering that your SKU structure doesn’t map to Shopify variants two weeks before go-live is expensive.

No budget line for the six months after launch. Every store needs work after launch — genuine bugs, things nobody anticipated, changes the business wants once it can see the thing working. Budgeting the build to the last pound and nothing beyond it is how good projects end badly. Reserve 15–20% of the build cost for the first six months.

Freelancer, agency, or in-house?

Not a moral question — a risk question.

A senior freelancer or small studio gives you direct access to the person writing the code, faster decisions and lower cost. The risk is continuity: one person, one calendar, one point of failure. Mitigate it by insisting on documentation and repository access from day one.

An agency gives you multiple disciplines, cover when someone’s away, and process. You pay for that. It’s usually the right call when the project spans design, development, strategy and content simultaneously.

In-house only makes sense past a certain volume of ongoing change. A full-time UK Shopify developer costs £45,000–£75,000 plus employment overhead. If you have less than roughly three days of work a week, a retainer is cheaper and gives you deeper specialist knowledge.

Whichever you choose, three things are non-negotiable: you own the code repository, you own the Shopify account, and you get documentation. Any arrangement that fails those tests is a hostage situation regardless of price.

Frequently asked questions

How much does a basic Shopify store cost to set up? £3,000–£6,000 for a professional setup on a premium theme with your branding, products loaded and payments and shipping configured. You can do it yourself for the price of the theme if you have the time and patience.

Can I build a Shopify store myself? Yes, and for a simple catalogue it’s a reasonable choice. Shopify is designed for it. The point at which DIY stops paying is when you need custom logic, an integration, or a storefront that doesn’t look like the theme demo.

How long does a Shopify build take? Two to three weeks for a theme setup, eight to sixteen weeks for a custom build, three to six months for a Plus replatform with integrations. Timelines slip on data and content far more often than on development.

Why do quotes for the same brief vary so much? Usually because the briefs aren’t the same. One includes design, content and migration; another assumes you’re providing all three. Compare deliverable lists, not totals.

What’s a fair day rate for a UK Shopify developer? £250–£400 for mid-level, £450–£900 for senior and specialist work. Rates above that are typically larger agencies where the figure includes project management and account handling.

Should I pay a deposit? A deposit of 30–50% is standard and reasonable. Paying 100% up front is not.

Do I need Shopify Plus? Almost certainly not, unless you’re past roughly £1M in annual revenue or you need something Plus-gated. Our Shopify vs Plus comparison covers where the line falls.

What does ongoing maintenance cost? £500–£3,000 a month for an active store, depending on how much change you want. A store with no development retainer isn’t free to run — it just accumulates the cost silently until something breaks.

Is a custom theme worth it over a premium theme? For most stores under £2M, no. Premium themes in 2026 are good, and the money is better spent on product data, content and conversion work. Custom themes earn their cost when the brand needs something structurally different, or when app-stacking to fake it would cost more than building it properly.

What should I have ready before asking for a quote? Product count and structure, current platform, which systems need connecting, whether design exists, who’s writing the content, and your target launch date. Those six answers turn a vague quote into an accurate one.

Figures are UK market rates as of July 2026 and are reviewed twice yearly.

Want a real number for your project? Tell us what you’re building, connecting or moving, and you’ll get a scoped estimate from the engineer who’d do the work. Get in touch.