When a business signs off a website quote, it usually believes it has bought a finished, working website. What it has often actually bought is the build — the design and development of a shell — while content, imagery, search optimisation, training, hosting and ongoing support sit outside the figure, waiting to be invoiced separately or quietly handed back as homework. The shock is rarely that the agency was dishonest. It is that the buyer assumed "website" meant everything, and the quote meant something narrower.
Knowing what a quote typically covers, and what it does not, lets you ask the right questions up front and budget for the true cost rather than the headline one.
What a website quote usually does include
Most reputable web design quotes cover the core production work: the design of the site (often based on an agreed number of unique page templates), the build and development of those pages, basic responsiveness so it works on mobile, and the setup of a content management system if one is used. Testing and a launch are normally in there too. This is real, skilled work and it is the bulk of what you are paying for.
What is frequently left out
The gaps tend to cluster in predictable places. None of these is dishonest to exclude — but you need to know which apply to your quote:
- Content writing — "client to provide content" is one of the most common lines in a proposal, and writing for the web well is harder and slower than people expect.
- Photography and imagery — professional photos, custom illustration or even licensed stock images may not be included.
- SEO setup — beyond basic technical hygiene, proper search optimisation is often a separate engagement.
- Training — being shown how to edit your own site may or may not be in scope.
- Data migration — moving content, products or customers from an old site is real work and frequently excluded.
- Integrations — connecting to a CRM, booking system, payment gateway or email tool.
The recurring costs nobody mentions at quote time
One-off build cost is only part of the lifetime picture. A website is an asset that costs money to keep running, and these recurring items should be in your budget from day one:
| Recurring cost | Typical UK range |
|---|---|
| Hosting | £60 - £600+ / year |
| Domain renewal | £10 - £40 / year |
| SSL certificate | Free - £150 / year |
| Premium plugins / themes / licences | £50 - £500+ / year |
| Maintenance / support retainer | £150 - £1,000+ / month |
A site that is built and then never updated becomes a security and reliability liability within a year or two. Maintenance is not an optional extra; it is the cost of keeping what you bought working.
The figures above are typical ranges and vary widely by platform and traffic. A small WordPress brochure site might run on the lower end of every row; a busy ecommerce store with premium extensions and a managed support agreement can easily sit at the top of all of them. The point is not the exact number but the habit: build a simple annual running-cost line into your budget before you commit, so the first renewal invoice is something you planned for rather than something that ambushes you.
The grey areas to clarify
Revisions
How many rounds of changes are included before you start paying for more? "Unlimited revisions" sounds generous but rarely exists in practice; a defined number — say two or three rounds per stage — is more honest. Open-ended revision expectations are a common source of friction.
Post-launch support
Most builds include a short window — often 30 days — for fixing genuine bugs. After that, changes and fixes are usually chargeable. Know where that line sits before launch so a request three weeks in does not become an awkward invoice.
Browser and device testing
Reputable agencies test across current browsers and common devices as standard, but the depth varies. If you have specific requirements — older systems, accessibility standards — confirm they are in scope.
How to read a quote properly
The practical move is to treat the quote as a checklist. Go line by line and, for everything in the list above, establish whether it is included, excluded or chargeable as an extra. This is also how you compare proposals fairly — read our guide on comparing web design quotes for the side-by-side method that surfaces these gaps.
Budget for the whole thing
The way to avoid post-signature surprises is to price the complete picture before you commit: build cost, the excluded items you will need, and the annual running costs. An honest agency will help you do exactly this — they would far rather you understood the full cost than felt ambushed later. When you are gathering quotes, start from a shortlist of trustworthy UK web design agencies and ask each one, explicitly, what their number does and does not include.