How Long Does It Take to Build a Custom Website?

Right behind “how much does it cost?” is “how long will it take?” Here are realistic timelines based on what we see across real projects — not the optimistic guesses agencies use to win deals.

The Quick Answer

• Landing page: 2-3 weeks
• Business website (5-10 pages): 5-8 weeks
• E-commerce store: 8-14 weeks
• Custom web application: 10-20+ weeks

These include discovery, design, development, testing, and launch. Not just the coding part.

Where the Time Goes

Discovery and planning (1-2 weeks)

Understanding your business, defining scope, choosing the right approach, and creating a project plan. This phase is short but critical. Skipping it is how projects go sideways.

Design (1-3 weeks)

Wireframes, visual design, and client feedback rounds. The biggest variable here is how many revision cycles happen. Clear feedback speeds this up dramatically.

Development (2-12+ weeks)

This scales directly with complexity. A five-page marketing site is a different animal than a SaaS platform with user accounts, payments, and real-time notifications. The range is wide because the work is wide.

Testing and launch (1-2 weeks)

Cross-browser testing, mobile responsiveness, performance optimization, content loading, and final client approval. Then deployment, DNS configuration, SSL setup, and monitoring.

What Makes Projects Take Longer

• Slow feedback cycles. This is the number one cause of timeline delays — and it’s almost always on the client side. If design approvals take two weeks instead of two days, the whole timeline shifts.
• Scope changes mid-project. Adding features after development has started is like changing the blueprint after the foundation is poured. It’s possible, but it costs time.
• Content not ready. Design and development can proceed with placeholder content, but launching requires real copy, images, and data. Agencies can’t launch what doesn’t exist yet.
• Unclear requirements. If the brief is vague, discovery takes longer. If stakeholders disagree on direction, design takes longer. Alignment upfront saves weeks later.
• Third-party dependencies. Waiting on API access, vendor credentials, or content from other teams is outside anyone’s control but still affects the timeline.

What Makes Projects Faster

• A clear project brief. The more defined your requirements, the faster the agency can move.
• Responsive client communication. Same-day or next-day feedback on deliverables keeps momentum.
• Content prepared in advance. Have your copy, images, and brand assets ready before development starts.
• A single decision-maker. Projects with one point of contact move faster than those requiring committee approval at every step.
• Fixed scope. Agreeing on what’s in and what’s out before starting — and sticking to it — is the single biggest accelerator.

Red Flags in Timeline Estimates

Be cautious if an agency promises:

• A custom web app in 2 weeks. Either it’s not custom, or corners are being cut.
• No timeline at all. “We’ll get it done when it’s done” means no project management.
• Exact dates without understanding scope. An estimate before discovery is a guess, not a plan.

How We Handle Timelines

At Coderize, every project gets a detailed Statement of Work with specific milestones and delivery dates. You know what’s being built, when you’ll see progress, and when it launches. Weekly sprint demos mean you’re never more than a week away from seeing real, working progress.

We’d rather give you an honest timeline and hit it than promise something aggressive and miss it.