“Do I need a cover letter?” is one of the most common questions UK job seekers ask. The honest answer is that it depends on the role, the employer and how the application is submitted. With many job sites now marking the cover letter as optional, it is easy to wonder whether it is worth the effort.
In short, you do need one when the employer asks for it, and it is worth writing one in most other cases. This guide explains when a cover letter is essential, when you can reasonably skip it, and how to write one that gets read.
Do you need a cover letter in the UK?
There is no rule that says every application must include one. What matters is what the employer expects. Many recruiters read cover letters to judge motivation and communication, and some will set aside an application that does not include one when it was requested.
When you do need a cover letter
- The job advert asks for one, or says to include a supporting statement.
- You are changing career or sector and need to explain how your skills transfer.
- You have a gap in your work history that deserves a short, positive explanation.
- You are applying speculatively or to a named person, such as a hiring manager.
- The role is competitive, senior, or in a sector such as the public sector, education, law or charity, where a written application carries weight.
When you can skip it
- The advert clearly says not to send one.
- The application form has no place to attach or enter one.
- You are applying through a recruiter who has asked for your CV only.
If the field is simply marked optional, treat it as an opportunity. Most candidates skip it, so a short, well-targeted letter gives you an edge.
Why a cover letter is still worth writing
A CV shows what you have done. A cover letter explains why you want this particular job and why you are a good fit. It shows genuine interest in the company and role, which is something employers consistently look for. It also lets you address anything a CV cannot, such as a relocation, a career change or a break from work.
If you are unsure where to begin, read our guide on how to write a magnetic cover letter, or let us write it for you with our cover letter writing service.
Who should I address my cover letter to?
Whenever possible, address it to a named person. Check the job advert, the company website or LinkedIn. If you cannot find a name, “Dear Hiring Manager” works well. It sounds more natural than “To whom it may concern” and is more modern than “Dear Sir or Madam”.
What should a cover letter include?
A cover letter is a formal letter, so keep the layout simple (the National Careers Service gives similar guidance): your contact details at the top, the greeting, three or four short paragraphs, and a polite sign-off. A clear structure is easy to follow:
- Opening: the role you are applying for and one strong reason you want it.
- Middle: two or three achievements that match the job requirements.
- Motivation: why this employer appeals to you.
- Close: a confident line saying you would welcome an interview.
A simple cover letter example
Dear Ms Patel,
I am writing to apply for the Operations Coordinator role advertised on your website. Over the past four years I have managed supplier schedules and reporting for a logistics team, and I would like to bring that experience to a company with your reputation for reliable delivery.
In my current role I introduced a weekly tracking process that reduced late deliveries by 18%, and I coordinate a team of six across two sites. I am organised, calm under pressure and comfortable working with data.
I would welcome the chance to discuss how I can support your team. Thank you for your time and consideration.
Yours sincerely,
Alex Morgan
How long should a cover letter be?
Aim for 250 to 400 words, which fits comfortably on one page. Anything shorter can feel generic. Anything longer is unlikely to be read in full.
Do I need a cover letter: FAQs
Do I need a cover letter if I am uploading my CV online?
If the application form has a cover letter or “additional information” box, use it. If the field is marked optional, a short tailored letter still helps you stand out, particularly for competitive roles.
Do you need a cover letter for a CV sent to a recruiter?
Not always. A recruiter who already knows you may only want the CV. A brief covering email that explains the role you want and why you suit it is usually enough.
Should I write a cover letter if the job advert does not ask for one?
It is optional, but it is rarely a mistake. A focused letter lets you explain motivation, a career change or a gap in a way a CV cannot.
How long should a cover letter be?
Aim for 250 to 400 words, which is no more than one page. Every paragraph should link your experience to the specific role.
Who should I address my cover letter to?
Use the hiring manager’s name where you can find it on the advert or LinkedIn. If you cannot, “Dear Hiring Manager” is a safe, professional alternative to “To whom it may concern”.
Need help with your cover letter?
Writing a tailored letter for every application takes time. Our cover letter writing service produces a professional letter matched to your CV and target role. You can also book a free consultation to talk through your next move.
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