How Long Does It Really Take to Build a Website?

Two agencies quote you what sounds like the same five-page website. One says a week. The other says six weeks. Neither of them is lying to you, and the gap usually has very little to do with how fast either team works.

Build time comes down to three things: how much of the site is genuinely custom, how many systems have to talk to each other, and how quickly decisions get made on your side. That last one never appears in a quote. It's also the single most common reason a three-week project turns into a three-month one.

Realistic ranges by what you're building

Here's what we see in practice, assuming your content is ready at kickoff and feedback comes back within a day or two.

• A simple 3 to 5 page site with a standard structure and no custom functionality: about a week from kickoff to live. There are few design decisions to make and the build itself is a couple of days of work.
• A fuller 10-page marketing site with real content depth, custom design, and reusable page templates: around 4 weeks. More pages means more design decisions, and more decisions means more rounds of review.
• E-commerce with a proper catalogue, payment setup, shipping rules, and tax handling: 6 to 10 weeks, and most of the variance is product data rather than code.
• Custom software, a booking platform, anything with logins and a database behind it: months, scoped individually. Anyone quoting a fixed two-week timeline on this without reading your requirements is guessing.

Where the weeks go

On a four-week marketing site, a typical split is three or four days on structure and content planning, a week to a week and a half on design, a week on build, and the last few days on testing, speed work, and launch. Notice what's missing from that: there is no three-week block labelled "coding". On most marketing sites, building the pages is the fastest part. The slow parts are deciding what goes on them and agreeing on how they look.

This is why page count is a poor predictor of timeline. Five pages that each need their own layout take longer than fifteen pages built from three templates. When you're comparing quotes, compare how many distinct designs are in each one.

The real reason projects run late

In our experience the biggest cause of a missed launch date is not the agency being slow. It's waiting on the client. That isn't a complaint, it's a scheduling reality worth planning around, because when a build stalls it stalls at one of four predictable points.

• Copy that isn't written yet. The design can be finished and the pages can be built, and the site still can't launch with placeholder text where your service descriptions belong.
• Photos that don't exist. Stock imagery buys you a week, but a site that needs your actual team, premises, or products cannot ship until someone takes the photos.
• Feedback that arrives in pieces. A revision round sent across five separate emails over nine days is five interruptions, not one round.
• Approval that needs three people. If the founder, the marketing lead, and a business partner all have to sign off, every review takes as long as the slowest person's week.

A week spent gathering your copy and photos before kickoff will save you three weeks of calendar time later. Almost nothing else you do on a website project has that kind of return.

How to hit the timeline you were quoted

1. Have your copy ready before kickoff, or agree upfront that the agency is writing it and that this adds time and cost to the quote.
2. Put every image you own in one folder before day one: logo files, team photos, product shots, anything you have the rights to use.
3. Name one decision-maker. Other people can have opinions, but one person consolidates them and speaks for the business.
4. Batch your feedback. Look at the whole draft, sleep on it once, then send a single consolidated list instead of a message every time something occurs to you.
5. Book your review slots in advance. Two 45-minute blocks in your calendar, scheduled for the weeks they'll be needed, so review doesn't get squeezed out by the job you already have.

Fast is not automatically worse

A one-week build is not a corner-cutting build if the scope genuinely is one week of work. Five pages on a solid foundation, with your content already in hand, is a few days of design and a few days of build. Speed becomes a warning sign in two situations: when the timeline was set by a salesperson rather than by the person doing the work, and when "fast" turns out to mean a template with your logo dropped in and nobody checking how it behaves on a phone.

Ask each agency one question before you compare their timelines: what do you need from me, and when do you need it? A team that answers in specifics on the first call has built enough sites to know exactly where projects stall. Once you know your half of the schedule, a quoted timeline stops being a promise someone made to you and becomes a plan you're both working from.