Website and Digital Project Costs: A UK Pricing Guide

Planning a website, AI chatbot or web application means facing one unavoidable question: what will it cost? The answer depends on scope, complexity and the level of customisation you need. This guide breaks down typical costs for the most common digital projects in the UK so you can budget confidently.

Custom website costs

A custom website can start from around £1,000 for a well-designed small business site with a few pages, clear messaging and mobile-responsive design. That typically covers strategy, design, build and launch on a modern platform.

For businesses needing e-commerce, advanced integrations, custom functionality or a larger number of pages, expect costs to rise into the £3,000 to £10,000 range. A brochure site for a service business might sit at the lower end, while a product company with catalogue features, payment processing and customer accounts will sit higher.

Enterprise builds with bespoke content management systems, multi-language support or complex integrations can reach £20,000 or more. The price reflects the hours required for planning, design, development, testing and content migration.

Template-based website builders advertise lower upfront costs, but customisation limits often mean compromises on brand, flexibility and performance. Custom builds give you control over user experience, SEO structure and future scalability.

AI agents and chatbot pricing

AI chatbots and agents are priced differently because they involve both setup and ongoing operation. Expect an initial build cost to cover strategy, training data, integration with your website or CRM, and testing.

Monthly fees typically start from around £20 and cover hosting, API usage, model costs and maintenance. More sophisticated agents that handle bookings, qualify leads or integrate with multiple systems will cost more per month, often scaling with usage or conversation volume.

Some agencies charge purely on a project basis for simpler bots. Others offer subscription models that include updates, performance monitoring and refinements. The key cost driver is complexity. A straightforward FAQ bot costs far less than an agent that books appointments, pulls live data and hands off to your sales team.

Web app and SaaS development

Web applications and software-as-a-service platforms are usually priced per sprint or per project phase. A sprint is a fixed block of work, typically two weeks, and prices often start from £3,000 per sprint.

A minimum viable product for an internal tool might require two to four sprints. A customer-facing SaaS product with user accounts, payments, dashboards and third-party integrations might take ten sprints or more.

This pricing model gives you flexibility. You can launch a basic version, test it with real users, then invest in further sprints to add features based on feedback. It also makes costs predictable. You know what each phase will cost before committing to the next.

Fixed-price project quotes are possible for well-defined scopes, but sprint-based pricing tends to work better when requirements evolve or when you want to stay lean and iterative.

SEO and conversion optimisation costs

SEO and conversion rate optimisation are typically offered as monthly retainers or one-off projects. A technical SEO audit and fix might cost £1,500 to £5,000 depending on site size and issues found. Ongoing SEO retainers usually start from £800 to £1,500 per month and include content strategy, link building, AI search optimisation and performance tracking.

Conversion rate optimisation projects vary based on traffic volume and testing scope. Expect to pay for analysis, hypothesis design, A/B test setup and reporting. Costs often sit between £2,000 and £8,000 for a structured programme over several months.

The return on investment can be significant. Improving your conversion rate by one or two percentage points on existing traffic often delivers more value than paying for ads to drive new visitors.

What affects price

Several factors push costs up or down. Complexity is the biggest. A five-page website is faster to build than a 50-page site with custom filters and user dashboards. Integrations add time. Connecting your site or app to a CRM, payment gateway, inventory system or API all require development and testing.

Content volume matters. If you need copywriting, photography or video production, budget for that separately or expect higher project fees. Design complexity plays a role too. A bespoke brand identity with illustrations and animations takes longer than adapting a clean, minimal template.

Ongoing support and maintenance are often separate. Many studios offer care plans covering updates, backups, monitoring and small changes. These typically cost £50 to £300 per month depending on service level.

Finally, speed affects price. A tight deadline usually means higher costs because it requires more concentrated resource allocation or weekend work.

How to budget for your project

Start by defining what success looks like. Are you replacing an outdated site, launching a new product, automating a manual process or improving lead quality? That clarity helps you decide where to invest.

Get quotes from multiple providers, but compare scope carefully. A £2,000 website might be a great deal or a poor one depending on what is included. Ask about revisions, hosting, training and what happens after launch.

Consider total cost of ownership, not just the build. A cheap website that is slow, hard to edit or invisible to search engines will cost you more in lost business than you saved upfront.

If budget is tight, prioritise the core experience and plan to expand in phases. Launch with the essentials, measure results, then invest in enhancements. That approach reduces risk and keeps spending aligned with real business outcomes.

Working with a London studio

DayNight Studio builds custom websites from £1,000, AI agents and chatbots from £20 a month, and web apps from £3,000 per sprint. We also offer SEO and conversion optimisation to help your digital investment deliver results. If you are planning a project and want a clear idea of cost and scope, get in touch and we will talk through your options.