Website redesign: when to rebuild and when to refresh (with UK costs)

Refresh your website if the platform underneath is sound and the problem is mostly how it looks and reads: dated design, weak copy, poor photos, a few slow pages. Rebuild it if the foundations are the problem: an unsupported CMS or PHP version, a page builder nobody can edit without breaking the layout, a mobile experience that can’t be fixed with CSS, or a business that now needs things the site was never built to do. In the UK a proper refresh typically costs £500 to £2,500, and a rebuild of a small business site £1,000 to £6,000, with e-commerce and custom systems above that.

That’s the short version. The rest of this guide explains how to tell which camp you’re in, what each route costs with real WE-DEV prices and VAT worked out, and how to change your site without losing the Google traffic you already have.

Refresh or rebuild: the quick diagnosis

Most owners arrive at a redesign because the site “looks old”. That’s a symptom, not a diagnosis. Two sites can look equally tired, and one needs a weekend of design work while the other needs to be thrown away. This table is the one we use on first calls.

What a refresh and a rebuild actually involve

A refresh

A refresh keeps the CMS, the hosting, the URL structure and most of the content. We change what sits on top: typography, colour, spacing, imagery, buttons, header and footer, and usually the homepage and two or three key landing pages. Often the biggest gains come from rewriting the copy on those pages so a visitor understands in five seconds what you do, where and for whom.

A refresh can also include targeted technical work: removing a slider that adds two seconds to load time, compressing images, swapping a contact-form plugin that drags in 300 KB of scripts, or fixing colour contrast so the site passes basic accessibility checks. It does not include restructuring the database or replacing the theme.

A rebuild

A rebuild starts from a clean theme and a fresh install. Content is migrated (and usually edited on the way), URLs are mapped one by one, and functionality is rebuilt properly rather than bolted on. On WordPress, we build classic themes by hand without page builders, so editors get structured fields for each section and can’t accidentally wreck the layout. On a rebuild we set a target of Lighthouse 95+ and WCAG 2.2 AA on every template, which is very hard to reach by patching an old theme.

The middle route: re-theme on the same CMS

If you’re on WordPress and the content is in decent shape, there is a third option. We keep the database, posts, pages, users and URLs, and replace only the theme. It costs less than a full rebuild because content migration is minimal, and it fixes most of the speed and editing problems caused by heavy themes. It’s our default recommendation for WordPress sites that are three to six years old and have built up good rankings.

The ten-minute test you can do yourself

Before you ask anyone for a quote, run through this list. Tick the ones that apply.

• Run your homepage and one service page through PageSpeed Insights on mobile. Note the performance score and the Largest Contentful Paint figure. Google’s “good” threshold for LCP is 2.5 seconds.
• Log in to the admin and try to change a heading, a button label and an image on the homepage. If it takes more than five minutes or you’re scared to press Update, the editing experience is part of the problem.
• Check the WordPress, theme and plugin update screen. More than a handful of plugins with no update in two years is a warning sign.
• Ask your host which PHP version the site runs on. Anything below 8.1 is out of active support, and PHP 7.4 reached end of life in November 2022.
• Open the site on your own phone and try to complete the main action: call, book, buy or send an enquiry.
• Write down the three things the business needs the site to do in the next two years that it can’t do today.
• In Google Search Console, export the top 50 pages by clicks over the last 12 months. These are the pages you must not break.

If your problems are all in the first, fifth and sixth items, a refresh will probably do. If the second, third, fourth or the list of new requirements is long, you’re looking at a rebuild.

What it costs in the UK

Quotes for “a website redesign” vary wildly because the phrase covers everything from new fonts to a new platform. As a rough guide, independent UK freelancers tend to charge somewhere around £30 to £70 an hour and agencies £50 to £120, with London agencies often higher. Rates shift with the stack and the city, so treat these as ranges rather than a price list.

Here are worked examples using our own prices. Our hourly rates are Website Design £45, WordPress Development £50 and Custom Web Development £60, with volume discounts of 5 % at 10 hours, 10 % at 15, 15 % at 20, 20 % at 50 and 25 % at 100. All prices exclude VAT at 20 %.

Two things stand out. First, a package rebuild can cost less than an hourly refresh, because packages reuse a proven process. Second, the jump to custom work is driven by integrations, not by page count. A 40-page site with no integrations is cheaper than a 10-page site that has to sync orders with Sage or pull stock from an ERP.

If you’re VAT-registered, you reclaim the VAT, so compare quotes on the ex-VAT figure. If you’re not, the inc-VAT column is your real cost.

The costs that don’t appear on the quote

These are the items that turn a £2,000 project into a £3,500 one. None of them are scams; they’re just easy to forget.

• Content. Someone has to write or rewrite the pages. If that’s you, budget your own time realistically: a good service page takes a morning, not ten minutes. If it’s us, it’s billed by the hour.
• Photography. Stock photos are included in our packages, but a half-day shoot of your team and premises from a local photographer will typically cost a few hundred pounds and does more for trust than any stock image.
• Redirect mapping and SEO migration. On a site with a few hundred URLs this is several hours of careful work. Skipping it is the most expensive mistake in this whole article.
• Hosting changes. Moving to faster hosting is often part of a rebuild. Expect anything from £10 to £40 a month for decent managed hosting for a small business site.
• Third-party licences. Premium plugins, booking tools, fonts and maps APIs. Usually small, but annual.
• Maintenance. A new site still needs updates, backups and monitoring. Our article on WordPress maintenance plans covers what that should include.

How to redesign without losing your rankings

This is where redesigns go wrong. A business in Leeds or Bristol launches a lovely new site, and six weeks later organic enquiries have halved. The usual cause is not the design. It’s that page addresses changed, nobody set up redirects, and Google found a pile of 404 errors where the ranking pages used to be. Google’s own guidance on site moves warns that rankings can fluctuate for a while even when a migration is done properly, so the aim is to keep that dip short and shallow.

Our migration checklist:

1. Crawl the old site (Screaming Frog’s free version handles up to 500 URLs) and export every URL, title and meta description.
2. Pull the top pages by clicks and impressions from Search Console and the top landing pages from analytics. Mark these as protected.
3. Keep URLs the same wherever you can. Where a URL must change, map it to the closest equivalent new page, never in bulk to the homepage.
4. Set up 301 redirects at server or plugin level and test each protected URL by hand before launch.
5. Carry over titles, meta descriptions, headings and body copy on protected pages unless there’s a clear reason to change them. Change design freely; change ranking content carefully.
6. Keep the staging site blocked from search engines, and make sure that block is removed at launch. Forgetting to untick “Discourage search engines” in WordPress is more common than you would think.
7. Submit the new XML sitemap in Search Console on launch day and watch the coverage and 404 reports daily for the first two weeks.
8. Test every form, payment and booking flow on the live domain, not just on staging. Email deliverability often breaks when hosting changes.
9. Reinstall analytics and conversion tracking, and check your cookie banner still blocks tracking until consent, as UK PECR rules expect.
10. Compare clicks for protected pages week by week for six to eight weeks. Fix any page that drops sharply rather than waiting for it to recover.

If you’re moving off Wix or Squarespace at the same time, URL structures will change almost entirely, so the mapping step matters even more. Our comparison of Wix and a web agency over three years looks at when that move pays for itself.

How long each route takes

In our experience, the single biggest delay on any redesign is content. If you want the site live by a certain date, have the copy and photos ready before development starts, or pay for us to write it.

Our recommendation, by situation

• If your site ranks well and converts, but looks tired: refresh. Keep every URL and most of the copy. Spend the budget on design, photography and the homepage message.
• If you’re on WordPress with a heavy theme or page builder and the site is slow: re-theme. Keep the content and URLs, replace the theme with a hand-built one.
• If you’re on Wix, Squarespace or an old proprietary CMS and you want control: rebuild, with a full redirect map. A Pro or Elite package covers most small businesses.
• If the business has changed (new services, online booking, e-commerce, a client portal): rebuild. Patching new features into a brochure site costs more in the long run.
• If the site is under two years old and built properly: don’t redesign. Fix the copy, add case studies and look at why visitors aren’t converting. A redesign won’t fix an unclear offer.
• If you can’t decide: book a few hours of audit time. A morning spent checking the code, plugins, speed and analytics usually settles it, and the findings are yours to keep whichever route you choose.

Where to go from here

If you already know you need a rebuild, our fixed-price packages show exactly what’s included at each level. If you’d rather start with a refresh or an audit, you can book hours online; hours never expire, so unused time carries over to the next round of changes. For larger projects, read about our web development service and how we approach UX design. We work with businesses across the UK, remotely or in person from our base in St Albans, and the full picture of website pricing is in how much a website costs in the UK.

Photo: NEW DATA SERVICES via Unsplash