Capitalisation in Letters, Emails, Headings & Lists

It's 4:55 on a Friday and the email should have gone half an hour ago. The subject line is empty. You're stuck between Hi and Dear. And underneath sits a neat little list of actions — only you can't decide whether each bullet wants a capital, a full stop, both, or neither. So you guess, hit send, and feel faintly uneasy about it all weekend.

Maybe you're fourteen and it's a message to a teacher about tomorrow's homework — same hesitation, same little stare at hi miss / Hi Miss / Hi miss while none of them look quite right. Here's the thing: in ordinary sentences, capitals feel fairly safe — names, the start of a sentence, the word I. But the moment we reach greetings, sign-offs, headings and lists, people start guessing. Grown adults included. Especially adults.

Let's be honest — this is one of those skills people quietly pretend they absorbed by osmosis at nineteen. Most of us didn't. Nobody's born knowing the list rules; I still check them myself when a document is going somewhere visible. The good news is that the patterns are calm, finite and reusable — a small set of working habits, not a manual you have to memorise. Once you can see the shape, you stop second-guessing every first letter.

One quick boundary before we start, so you know what this article owns and what it hands off. We're doing capitalisation — where the capital letters go. The commas after Dear…, the colon that introduces a list, the full stops [US: periods] themselves — that punctuation lives in Semicolons & Colons and End Punctuation over in Pillar 6. What counts as a proper noun in the first place is Pillar 2. And letter etiquette or email tone — how warm to be, whether to grovel — that's a different conversation entirely. We're just here for the capitals.

Before you read on, here's where we're heading. By the end of this article you'll be able to: - Capitalise letter openings, email subject lines and closings without guessing. - Set a heading hierarchy so a whole document scans cleanly — school project or work report. - Get capitals right in bulleted and numbered lists, and stay consistent down the page. - Tell a genuine capitalisation rule apart from a formula convention (Yours sincerely vs Sincerely,).

Beginner (Foundation)

The good news is the beginner rules are kinder than they look. There are really only four places to worry about — the opening, the closing, the subject line, and the list — and each has one plain idea underneath it.

Openings (the salutation). Words like Dear, Hi, Hello and Good morning always take a capital — they begin the line, and we treat them as established openers. Names take a capital because they're proper nouns (shaky on what counts as a proper noun? That's Pillar 2 — don't let me reinvent it here). So:

• Dear Ms Jones,
• Dear Sir or Madam,
• Hi Sarah,
• Hello team,

Not dear ms jones and not hi sarah. You already capitalise your own name — give everyone else the same courtesy, and don't invent extra capitals mid-line while you're at it (Hi Dear Colleague isn't a warm formality; it's just odd). The comma after the name matters too, but that's Pillar 6's business — for us, it's simply: first word, capital.

Closings. Same move, at the first word only. Yours sincerely, Yours faithfully, Best regards, Kind regards, Many thanks, Cheers, — whichever sign-off you reach for, the first word takes the capital and the rest of the phrase follows the ordinary shape of the phrase. So it's Yours sincerely (capital Y, lowercase s), not Yours Sincerely with a nervous capital bolted onto the second word.

And here's the demystification everyone needs at some point: the difference between the British Yours sincerely / Yours faithfully and the leaner American Sincerely, is a formula convention, not a capitalisation rule. Whichever string you pick, the first word still takes the capital. Full stop [US: period] of story.

Subject lines. Treat these like short headings, not full sentences — capitalise the first word and any proper nouns. You're writing a small label for someone sorting a crowded inbox, so History homework question or Quarterly budget figures attached both work. What doesn't work is QUARTERLY BUDGET FIGURES ATTACHED — that's not careful, it's shouting — nor a limp all-lowercase history homework question that looks like you couldn't be bothered.

Headings. The first word of a heading almost always takes a capital. After that you pick a style and hold it — but that's Intermediate territory, so park it for now.

Lists — the bit nearly everyone gets wrong later. At beginner level, hold one simple idea. If a list item is a full sentence, give it a capital and a full stop. If it's a fragment continuing an introductory line — We need to bring: then pencils / a ruler / a packed lunch — keep it lowercase with no full stop. That's the whole foundation; the nuance comes next.

Common Mistake: Writing Yours Sincerely or Best Regards with two capitals out of nervous politeness. Only the first word needs one. Yours sincerely and Best regards are the comfortable defaults — nobody will fail you for the extra capital, but nobody's asking for it either.

Quick recap: - Openings (Dear, Hi, Hello) and the first word of a closing take a capital. - Names and titles inside them take capitals because they're proper nouns. - Subject lines: capital first word and proper nouns; don't shout the whole line. - Lists: full-sentence item → capital + full stop; fragment → lowercase + no stop.

Intermediate (Development)

Let's be honest — this is where schoolwork and real working messages start to look the same, and where consistency becomes the actual skill. Knowing the rule is half of it; applying it evenly down a whole page is the other half.

Headings and the ladder of a document. If you've already met title case versus sentence case in Titles of Works, this is that same idea applied down a hierarchy. Two quick reminders: title case capitalises the main words (The Causes of the First World War); sentence case capitalises only the first word and any proper nouns (The causes of the First World War). Neither is more "correct" — they're two systems, and your job is to pick and keep the levels visibly different so a reader can see the structure:

• Main heading / document title — often title case: Risk Assessment for the Spring Campaign — or, in a school project, The Roman Army.
• Subheading — often sentence case: What we learned from last year's delays, or Training and discipline.
• Small run-in labels — usually sentence case, sometimes plain lowercase if the design is clean.

You don't need three different styles on every piece of homework — two is plenty. What you do need is the same choice every time that level appears. If your first subheading is What the sources show, the second shouldn't suddenly become How Sources Differ Across Books. Let the size and weight of the text show importance; keep the capitalisation uniform within a level.

Subject lines in practice. A clean middle path works for school and everyday work alike — sentence case, first word capitalised, proper nouns capitalised, the rest left quiet:

• Revision session moved to Thursday
• Draft agenda for Tuesday's steering group
• Invoice 1482 — payment confirmation needed
• Can we shift the handover call to 3 p.m.?

Title-case subjects (Draft Agenda for Tuesday's Steering Group) belong in more "broadcast" or marketing contexts — fine when deliberate, noisy when accidental. All-caps remains the visual equivalent of standing on a chair.

Openings and closings, formal to friendly. Your capitals don't change with tone — only the words do. Dear Sir or Madam, for a formal letter you can't address by name; Dear Ms Lopez, for a named adult; Hi Mrs Khan, or Hello, Farid, for the everyday email; Hi team, for the group blast. Capital on the first word, capitals on titles (Ms, Mr, Dr) and names — and then the body returns to ordinary sentence capitals. Don't hand a mid-sentence word a surprise capital just because it feels important (Project Timeline stays lowercase unless it's an actual defined name).

Closings run the same way. In the UK, formal letters still pair Dear Sir or Madam with Yours faithfully, and a named recipient (Dear Ms Lopez) with Yours sincerely,. Day to day, Best regards, Kind regards, Thanks, and All the best are all fine. First word capitalised in every single case; your name underneath is just ordinary proper-noun capitalisation, not a new art form.

Lists — the two patterns, stated plainly. This is the part people muddle because lists look simple. Two shapes dominate, and you use exactly one per list.

Pattern A — full sentences. Each item stands alone:

Here's what we agreed: - Marketing will publish the landing page by Friday. - Finance will release the deposit on Monday. - Ops will confirm the venue by Wednesday lunchtime.

Capital on the first word, full stop at the end, parallel structure throughout — every item could survive as a sentence on its own.

Pattern B — fragments continuing an intro. Each item completes the opening line:

Please bring the following: - a packed lunch - waterproof shoes - £5 for the gift shop

Lowercase openings — unless a proper noun or the pronoun I forces a capital (Monday's timetable, the River Thames) — and no full stops trailing each fragment. Numbered lists follow the exact same capital rules; the number is decoration, not a cue. And if a fragment happens to start with a name, that capital still stands — the rule about proper nouns never switches off.

Common Mistake: Capitalising every word of a bullet just because it's on its own line. • Bring Your Permission Slip looks like a poster slogan, not a to-do; • Finalise Budget reads like a slide title repeated three times. If the item is a fragment, keep it quiet: bring your permission slip, finalise the budget. If it's a full instruction, make it a proper sentence: Finalise the budget.

Pro-Tip: Before you send or print, scan only the first letters of your list. All capitals? All lowercase? Mixed for no reason? That five-second scan catches half the list mistakes I still see in real scripts — because mixed capitals almost always mean mixed shapes.

Quick recap: - Keep headings hierarchical — main-heading style shouldn't match subheading style. - Everyday subject lines work best in sentence case: first word plus proper nouns. - Yours faithfully pairs with Dear Sir or Madam; Yours sincerely with a named person — first word capital either way. - One list, one pattern: full sentence (capital + stop) or fragment (lowercase + no stop).

Advanced (Mastery)

Here's where we leave the safe default and talk about control — the choices that make a piece of writing look intentional rather than hope-for-the-best.

Heading hierarchy is design as well as grammar. In a long report, a personal statement, a club handbook, the look of the capitals is how a reader draws the map. Title case at the top says "new territory"; sentence case beneath says "detail under that territory." Flip them by accident and the page feels wobbly even when the content is fine. The subtler advanced mistakes are things like title-casing a subheading that's already choked with acronyms (Q3 KPI Review of the EMEA CRM Rollout — that's a lot of shouting for one line), or sentence-casing a main title until it looks weaker than its own subheads. Align the capitalisation with the typographic weight so the two systems tell one story. For exactly which small words drop in title case — and, of, the and their friends — lean on Titles of Works rather than rebuilding it here.

Subject lines with purpose. Advanced choice is rarely more capitals; it's clearer words under a calm capital rule. Compare Following up with Following up: signed contract still outstanding — the second is the grown-up version, same quiet sentence case, but it actually earns its place in the inbox. A subject that's a full question still takes a capital only on the first word and any proper nouns: Can we move tomorrow's rehearsal? is clean. The capital marks where a new line-unit begins — not the arrival of a question mark.

Salutations that stretch the template. Dear Sir or Madam is capitalised as a set phrase, with or staying low. To whom it may concern — a genuine last resort — takes To as the line-opener and leaves the rest conventional. Group emails are relaxed: Hello everyone, and Hi all, don't need Everyone or All capitalised mid-phrase, though Hi All, is a mild title-case flourish some workplaces adopt — pick a local habit and keep it. Role-based openers (Dear Hiring Manager, Dear Head of Year,) do take capitals, because they're functioning as titles in the greeting slot — not because every noun deserves a medal. What you're not doing is inventing capitals because a word feels big: Hi Science Team Lead And Mentors is just a pile-up.

Closings as a register dial, not a capital playground. Once you leave the sincerely / faithfully lane, the phrase you choose signals warmth and distance far more than anything else — Warm regards, Best, Thanks again, With thanks. First word capital, always; then resist the urge to write Warmest Professional Regards as though capitalisation could manufacture sincerity. Sign off once. Don't capitalise every word of a multi-line block borrowed from a template you never edited — that's for period drama, not real correspondence.

The list traps that survive into real documents. These are the ones that produce the nagging "why does this look off?" feeling:

• Partial promotion — one fragment wearing a capital among its lowercase siblings usually means someone rewrote a single line and forgot the rest.
• Colon blame — people think a colon "causes" a capital on the next line. It doesn't. Capitalisation follows the shape of the item; colon mechanics belong to Pillar 6.
• Imperatives vs nouns — action lists (Draft the brief. / Share with legal.) read cleanly as sentences; inventory lists (draft brief / legal review) read cleanly as fragments. Mixing action grammar with noun grammar is what creates the off-key feeling.
• Items that are titles — a bullet that is a book or report title follows title capitalisation for that title, then you keep neighbouring items in a matching completeness pattern.
• Nested sub-bullets — they inherit whatever full-sentence-or-fragment decision you made for the main list; don't invent a third system just because things indented.

Register and brand — when the "rules" soften. Event posters, creative-writing headings, a startup's landing page — these sometimes drop to all-lowercase as brand voice, or soar into decorative title case. That's a style choice made consciously for a designed surface. A board paper, an HR letter, a homework essay under assessment: return to the quiet professional hierarchy. Know which hat you're wearing. And one advanced kindness — if a style guide already runs your workplace or exam board, it outranks internet confidence, including mine. Follow the house rule, apply it the same way every time, and spend your energy on the content. The real test, always: would a tired reader at 11 p.m. see the structure without thinking about it? If yes, your capitals are doing their job.

Common Mistake: Capitalising for emphasis instead of structure — Please Review the Attached STRICTLY Confidential Pack. Capitals aren't bold, and they aren't a highlighter. They mark structure and proper nouns; volume is somebody else's job.

Pro-Tip: Draft messy, then capitalise last. Write the list bare-bones, decide "full sentences or fragments?", and apply the capitals in a dedicated pass after the content exists. People who capitalise while they're still inventing the argument mix patterns without ever noticing.

Quick recap: - Heading capitalisation is navigation — different levels, deliberately different styles, aligned with size and weight. - Subject lines succeed through useful words under a calm sentence-case rule, not extra capitals. - Advanced list quality is mostly parallelism of shape; get that right and the capitals fall into place. - Brand-voice exceptions are real outside formal documents — choose them on purpose, don't drift into them.

A quick UK / US note

This is a shared-rule topic. UK and US writers capitalise openings, closings, headings, subject lines and list items on exactly the same principles — no invented grammatical differences here. What differs is the formula, not the capitals: UK formal letters lean on Yours sincerely / Yours faithfully, while US correspondence more often uses Sincerely, or Best regards,. The first word takes a capital in either tradition. The only genuine swap is the spelling of the words themselves — capitalisation [US: capitalization], full stop [US: period].

Key Takeaways

• Openings (Dear, Hi, Hello) and the first word of any closing take a capital; names and titles do too, as proper nouns.
• Yours sincerely vs Sincerely, is a formula convention, not a capitalisation difference — the first word is capitalised either way.
• Subject lines: first word plus proper nouns is usually enough; avoid the full-line shout.
• Headings need a hierarchy — main-heading style shouldn't be identical to subheading style; let size show importance, keep capitalisation even within a level.
• Full-sentence list items get a capital and a full stop; fragment items continuing an intro get lowercase and no stop, unless a proper noun forces a capital.
• Pick one list pattern and hold it all the way down. Fix the shape first, and the capitals sort themselves out.

Check Your Understanding

1. Rewrite this greeting correctly: dear miss owen,
2. Which subject line is better for a work or school email, and why? a) URGENT PLEASE READ b) Drama club rehearsal moved to Friday
3. Fix this list so shape and capitals match. Intro: Please pack: - Water bottle. - The permission form signed by a parent. - Snacks
4. True or false: after Dear Sir or Madam, the traditional UK sign-off is Yours sincerely,.
5. Your main heading (H1) is in title case. Should your subheadings (H2) also be in title case? Give one reason either way.

Answer key

1. Dear Miss Owen, — capital on Dear (first word), and the title and name capitalised.
2. (b) — informative and calm, in plain sentence case. (a) shouts without actually helping the reader.
3. Make the items parallel — pick one shape. Fragments: a water bottle / a signed permission form / snacks (lowercase, no full stops). Or full sentences: Bring a water bottle. / Bring the signed permission form. / Bring snacks. Don't mix the two.
4. False — with Dear Sir or Madam, the UK convention is Yours faithfully,. Yours sincerely pairs with a named person. The capital on Yours stays either way.
5. Usually prefer not to match — different levels should look different so the reader can scan the structure, and sentence case under a title-case main heading generally reads more clearly. (Matching is fine too, as long as you're consistent — what you must avoid is switching styles at random.)

Related articles in this pillar

• Hub: Capitalisation — the overview for this pillar
• Titles of Works (art. 5) — title case vs sentence case in depth, and which small words drop
• Special Cases (art. 7) — months, days, brand names and other edge cases
• Semicolons & Colons (Pillar 6) — the colon that introduces a list
• End Punctuation (Pillar 6) — full stops, question marks and commas after greetings
• Proper Nouns (Pillar 2) — what takes a capital as a name in the first place