The verdict in three sentences
A premium B2B website redesign in London is budgeted between GBP 8,000 and 25,000 in 2026, while a custom build with advanced features climbs to GBP 30,000 or more. Price depends less on page count than on design maturity, business-system integration and content production. Expect 10 to 16 weeks and a realistic conversion uplift of +25% to +40% when the redesign is driven by commercial goals rather than aesthetics alone.
What you actually pay: the cost lines
The classic trap is comparing two quotes on the total figure only. An honest quote breaks the budget down by line item. Here is a typical split for a B2B redesign in London in 2026.
| Line item | 2026 range (GBP) | Share of budget |
|---|---|---|
| Discovery & UX (workshops, sitemap) | 1,500 - 4,500 | 15-20% |
| UI design (mockups, design system) | 2,500 - 7,500 | 25-30% |
| Integration & development | 4,000 - 12,000 | 30-35% |
| Copywriting & on-page SEO | 1,200 - 5,000 | 10-15% |
| QA, testing, go-live | 1,000 - 3,000 | 8-10% |
| Training & documentation | 500 - 1,500 | 3-5% |
A quote showing none of these lines usually hides a GBP 50 template resold at a premium. Demand the breakdown.
Price by type of provider
The same project can vary threefold depending on who you hire. The day rate is the clearest positioning signal.
| Provider | 2026 day rate (GBP) | Typical redesign | Timeline |
|---|---|---|---|
| Junior freelancer | 300 - 500 | 4,500 - 9,000 | 6-10 wks |
| Senior freelancer | 550 - 800 | 9,000 - 18,000 | 6-12 wks |
| London agency | 600 - 900 | 12,000 - 25,000 | 10-16 wks |
| Premium studio | 900 - 1,400 | 30,000 - 70,000 | 12-18 wks |
| Monthly maintenance | — | 30 - 120 GBP/mo | recurring |
For a B2B SME, the sweet spot is usually a senior freelancer or a mid-size agency: enough method for a durable result, without the structural overhead of a large studio.
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Mini case study
James runs a 34-person industrial supplier in East London. His site dates from 2019 and generates 12 qualified quote requests per month at a 1.1% conversion rate. He invests GBP 18,000 in a redesign (London agency, GBP 650 day rate, 11 weeks). After three months conversion reaches 1.6% (+45%), i.e. 17-18 leads/month. With an average deal of GBP 7,000 and a 20% close rate, the 6 extra monthly leads represent roughly GBP 8,400 in additional revenue per month. The redesign pays for itself in about two months of margin.
FAQ
Why the GBP 8,000 to 30,000+ gap for "a website"? Because "website" covers a customised template (low end) and a bespoke platform with client portal and CRM integration (high end). Functional scope explains 80% of the gap.
Should I pay for monthly maintenance? Yes, budget GBP 30-120/month for security updates, backups and small changes. An unmaintained B2B site becomes vulnerable and decays within 12-18 months.
How long does a redesign really take? 10 to 16 weeks for a premium build. 70% of delays come from the client (content sign-off and late feedback), rarely from the technical side.
Can I keep my existing SEO? Yes, with a 301 redirect plan and by preserving high-performing URLs you retain most of your rankings. Insist on this line item in the quote.
Is a GBP 2,000 WordPress template enough? For a test or a quick launch, yes. For a B2B site meant to generate leads over 3-4 years, the conversion difference easily covers the extra cost of custom work.
Let's scope your project. Tell us about your current site, your lead target and an indicative budget (GBP 8,000-30,000+ depending on scope) and we'll align on the right level. Detailed quote within 48 h. WhatsApp +221 77 596 93 33.
Mohamed Bah
Fondateur, Kolonell
Passionate about digital and entrepreneurship in Africa, Mohamed has been helping Sénégalese businesses with their digital transformation since 2020. Founder of Kolonell, he believes every SME deserves a professional and accessible online présence.
