How Much Does It Cost to Build an MVP in the UK? 2026 Guide
“How much does it cost to build an MVP?” sounds like a simple question.
The problem is that MVP isn't a specification.
One founder might mean a clickable prototype that demonstrates an idea. Another might mean a production application with user accounts, subscriptions, payments, integrations and mobile apps.
Both may call it an MVP.
That is why you can receive quotes ranging from £10,000 to £100,000 for apparently the same project.
This guide explains what a genuine software MVP costs to build in the UK, what should be included and where your budget actually goes.
Quick Cost Summary
| MVP Type | Typical Timeline | Cost Range (UK) |
|---|---|---|
| Prototype / technical proof of concept | 3–6 weeks | £8,000–£20,000 |
| Focused production MVP | 2–3 months | £20,000–£35,000 |
| Standard product MVP | 3–5 months | £35,000–£60,000 |
| Complex MVP | 4–7 months | £60,000–£100,000 |
| Multi-platform or regulated MVP | 6+ months | £100,000+ |
For many startups and new digital products, £25,000–£60,000 is a sensible planning range for a proper first version.
The important part is understanding what you're buying.
What Is an MVP?
MVP stands for Minimum Viable Product.
The important word is viable.
An MVP isn't simply an unfinished version of your final product.
It should be the smallest product that allows real users to experience the core value of your idea.
That normally means it must still be:
- usable
- secure
- deployable
- testable
- maintainable
- reliable enough for real users
What it doesn't need is every feature you've imagined.
Prototype vs Proof of Concept vs MVP
These terms are often used interchangeably, but they solve different problems.
| Product Stage | Main Question |
|---|---|
| Prototype | Will users understand and want this experience? |
| Proof of concept | Can the difficult technical part actually work? |
| MVP | Will people use or pay for the product? |
| Version 1 | Can we expand the validated product into something more complete? |
A clickable prototype may be enough if you are testing an interface.
A technical proof of concept may be enough if your biggest uncertainty is whether an AI model or integration works.
You only need a production MVP when you are ready to put software in front of genuine users.
What Drives MVP Development Cost?
1. Number of User Types
A product with one type of user is considerably simpler than one with customers, suppliers, administrators and staff.
Every additional role introduces:
- different permissions
- different screens
- different workflows
- different notifications
- additional testing
A feature that sounds simple can become four separate features once multiple user types are involved.
2. Web vs Mobile
A web-only MVP is usually the quickest way to validate a software product.
If the product genuinely needs mobile features such as camera access, GPS, Bluetooth, push notifications or offline functionality, a mobile application may be justified from day one.
Building web, iOS and Android separately significantly increases cost.
For many mobile products, we use React Native so iOS and Android can share most of the same codebase.
3. Backend Complexity
A simple MVP may only need:
- user accounts
- a database
- a few API endpoints
- an administration interface
More complex products may require:
- real-time updates
- background processing
- file handling
- complex permissions
- search
- reporting
- integrations
- high-volume data processing
The backend is often where apparently simple product ideas become technically complicated.
4. Integrations
Using existing services can reduce development time, but integrations still require work.
Common examples include:
- Stripe
- accounting software
- CRM systems
- email platforms
- calendars
- mapping
- AI models
- document storage
- third-party business systems
Each integration needs configuration, error handling, testing and maintenance.
5. Design
An MVP doesn't need to win design awards.
It does need to be understandable.
Poor user experience can invalidate your experiment because you won't know whether people rejected the idea or simply couldn't work out how to use the product.
We normally recommend enough design work to establish:
- user journeys
- information architecture
- core screens
- reusable interface components
- mobile and desktop behaviour
You can refine the visual brand later.
6. Security and Compliance
Security isn't a version-two feature.
Even an MVP may contain personal information, payment details, company records or sensitive documents.
Products operating in sectors such as healthcare, finance or legal services may also have additional regulatory requirements.
Typical Feature Costs
These figures are useful for understanding the relative complexity of common MVP features.
| Feature | Complexity | Typical Cost Impact |
|---|---|---|
| Authentication | Low | £2,000–£5,000 |
| User profiles | Low | £2,000–£5,000 |
| Administration dashboard | Medium | £5,000–£12,000 |
| Subscription payments | Medium | £5,000–£12,000 |
| Booking system | Medium | £6,000–£15,000 |
| Reporting dashboard | Medium | £6,000–£15,000 |
| Third-party integration | Medium | £5,000–£15,000 |
| File processing | Medium–High | £8,000–£20,000 |
| Real-time messaging | High | £10,000–£25,000 |
| AI functionality | Medium–High | £10,000–£30,000+ |
| Native mobile features | High | £10,000–£30,000+ |
Again, these aren't standalone menu prices.
Several features can share the same infrastructure and development work.
What Should an MVP Budget Include?
When comparing development quotes, make sure you're comparing the same thing.
A £20,000 quote and a £40,000 quote may cover completely different levels of work.
A production MVP will normally require some combination of:
Discovery
Understanding the business problem, users, product assumptions and technical requirements.
UX and UI Design
Turning the idea into user journeys, wireframes and production-ready interface designs.
Software Development
The frontend, backend, database and integrations required to run the product.
Testing
Testing across browsers, devices, user roles and unusual scenarios.
Infrastructure
Setting up hosting, databases, deployment pipelines, domains and production environments.
Analytics and Monitoring
Understanding how users behave and knowing when something goes wrong.
Launch Support
Deployment, app store submission where relevant and resolving early production issues.
A quote that only includes “development” may leave several of these as additional costs.
Example MVP Budgets
Example 1: Client Portal MVP
A professional services business wants customers to log in, see project information, exchange documents and communicate with its team.
Features: Authentication, customer dashboard, file uploads, messaging, admin area, email notifications
Platform: Responsive web application
Timeline: 10–12 weeks
Indicative budget: £25,000–£35,000
Example 2: B2B SaaS MVP
A startup wants to launch a subscription platform for small businesses.
Features: Authentication, organisation accounts, subscriptions, core workflow, dashboard, reporting, administration
Platform: Web
Timeline: 14–18 weeks
Indicative budget: £40,000–£60,000
Example 3: Mobile Product MVP
A business needs a customer-facing mobile application connected to a backend platform.
Features: iOS and Android app, authentication, push notifications, payments, backend, admin dashboard, third-party integration
Platform: React Native + web administration
Timeline: 18–24 weeks
Indicative budget: £60,000–£90,000
How Long Does an MVP Take to Build?
A typical 12–16 week project might look like this:
| Phase | Duration | What Happens |
|---|---|---|
| Discovery | 1–2 weeks | Requirements and product scope |
| UX / UI design | 2–3 weeks | User flows, wireframes, interface |
| Core development | 6–9 weeks | Frontend, backend and integrations |
| Testing | 2–3 weeks | QA, fixes and usability testing |
| Launch | 1 week | Production deployment |
Some of these activities overlap.
The objective isn't to complete every design before development begins. Good product development usually involves design, engineering and feedback happening together.
Why MVP Projects Go Over Budget
Too Much in Version One
The most common problem is simply building too much.
Features accumulate because every individual feature sounds reasonable.
Eventually the “minimum” product contains:
- multiple dashboards
- chat
- AI
- social features
- advanced reporting
- mobile apps
- ten integrations
At that point, it isn't an MVP anymore.
Changing the Core Workflow During Development
Small changes are expected.
Changing how the entire product works halfway through the build is expensive.
This is why discovery and prototyping before development matter.
Building for Imaginary Scale
Your first hundred customers and your first million customers don't necessarily need the same architecture.
It is possible to design software so that it can evolve without paying for infrastructure you may never need.
Rebuilding Existing Services
Authentication, payments, email delivery and analytics are rarely where a startup creates its competitive advantage.
Where suitable, use established services rather than building commodity infrastructure yourself.
How to Reduce MVP Development Costs
1. Define the One Core Workflow
Ask:
What must a user be able to do for us to prove this product has value?
Build that first.
2. Start With Fewer User Types
Complex permissions multiply development effort.
If part of the workflow can initially be performed manually by your team, that may be perfectly acceptable for an MVP.
3. Use Web First Where Appropriate
If your product doesn't require native mobile capabilities, a responsive web application may allow you to validate the idea more quickly.
Mobile applications can be added after validation.
4. Buy Commodity Features
Use existing products for:
- authentication
- payments
- video
- analytics
- file storage
Build the thing that makes your product different.
5. Do Things Manually Behind the Scenes
Users don't care whether every process is automated.
If your first 20 users trigger something that your team can reasonably complete manually, you may not need to automate it yet.
This is particularly useful for reporting, onboarding and operational workflows.
6. Keep an Explicit Version-Two List
When someone suggests a useful feature, don't automatically add it to the MVP.
Put it on the version-two list.
If users repeatedly ask for it after launch, you have evidence that it's worth building.
Cheap MVP vs Good MVP
The objective shouldn't be to build the cheapest possible software.
The objective is to spend the minimum required to answer an important business question.
A £10,000 MVP nobody can reliably use may tell you very little.
A £35,000 MVP that demonstrates whether customers will pay for your product may save you considerably more money than attempting to build the complete vision.
A good MVP removes uncertainty.
What Happens After the MVP?
An MVP isn't the end of product development.
Once real users arrive, you start learning.
You may discover:
- a feature nobody uses
- a workflow users misunderstand
- an integration everyone asks for
- an unexpected customer segment
- a different reason people value the product
Those discoveries should determine what you build next.
A sensible product budget therefore keeps some money available after launch rather than spending everything on version one.
Next Steps
If you're planning an MVP:
- Define the problem — Who has it and why is it worth solving?
- Identify your biggest assumption — What needs to be true for the business to work?
- Define the core workflow — What does the first version absolutely need?
- Remove everything else — Put non-essential features into version two.
- Build, launch and measure — Let real user behaviour determine what happens next.
Marketplace Labs helps businesses and founders scope, design and build web, mobile and AI products.
If you have an MVP in mind and want to understand what it would realistically cost to build, get in touch.
