In this guide10 sections
- Two official descriptor sheets are in circulation and they disagree
- What is an overview in IELTS Academic Writing Task 1?
- Can you get band 7 in Task 1 without an overview?
- Where the overview goes, how long it is, and whether it can go last
- How many paragraphs should IELTS Writing Task 1 have?
- Keep figures out of the overview and put them in the body
- How do I write an overview for a process diagram or a map?
- Task Achievement and Task Response are not the same criterion
- IELTS Writing Task 1 word count: what happens if you write under 150 words
- Twenty minutes on a screen that counts for you

There is a response in the official IELTS Academic Writing Task 1 sample pack, describing how bricks are made, whose examiner comment says in plain words that it has "no clear overview". It was awarded Band 7 for the task.
If you were taught that an omitted overview caps you at Band 5, that script is a problem for the teaching.
Everything quoted below comes from the band descriptors stamped "Updated May 2023", the Key Assessment Criteria, and the 2023 sample tasks with examiner comments. Quotation marks mean official wording. Where I am giving an opinion I say so.
Two official descriptor sheets are in circulation and they disagree
The live one is nine pages, credited to Cambridge University Press & Assessment, stamped "Updated May 2023" on every page. The other still ranks in search and credits "Cambridge English Language Assessment", a name retired before 2021. They do not say the same thing about the overview, which is why the advice online is a mess.
The retired sheet had Band 5 read "recounts detail mechanically with no clear overview". The May 2023 Band 5 reads "The recounting of detail is mainly mechanical. There may be no data to support the description", with "There may be a tendency to focus on details (without referring to the bigger picture)". Overview was taken out of Band 5 entirely.
The Band 7 line was rewritten too, and a word went missing in the edit. "Presents a clear overview of main trends, differences or stages" is now "It presents a clear overview, the data are appropriately categorised, and main trends or differences are identified." No stages. Process diagrams are still on the paper, so hold that thought.
In the current descriptors "overview" appears exactly twice: Band 7 and Band 6. Not at Band 8, Band 9 or Band 5, and not once in the Key Assessment Criteria. A guide quoting you that Band 5 line is reading from a document IELTS replaced three years ago.
What is an overview in IELTS Academic Writing Task 1?
The best definition available is not a definition. It is an examiner writing one out. A Band 6 script on a line graph of radio and television audiences got this comment: "In order to gain a higher mark for content, the candidate would be expected to summarise the most important features of the graph in an overview, for example, 'audiences for radio peak in the morning, and for TV, in the evening'."
Thirteen words, no figures, two time slots, one verb. Somebody who never saw the graph now knows what it was about, which is the whole job.
The official IELTS teacher article puts the length at "one or two sentences" and adds that "No Conclusion is needed for Task 1". IDP lists what the overview should summarise: "Trends, Changes, Developments, Stages, Noticeable features", and under DON'T: "Include data or figures in your overview."
What I tell candidates is to test it out loud. Read the overview to someone who has not seen the chart. If all they can say back is "something went up", you have described the shape of a line rather than the information.
Can you get band 7 in Task 1 without an overview?
Here the slogan and the document part company. Printed at the top of every descriptor page: "A script must fully fit the positive features of the descriptor at a particular level. Bolded text indicates negative features that will limit a rating."
| Band | Task Achievement, Academic Task 1, verbatim |
|---|---|
| 7 | "It presents a clear overview, the data are appropriately categorised, and main trends or differences are identified." |
| 6 | "Key features which are selected are covered and adequately highlighted. A relevant overview is attempted. Information is appropriately selected and supported using figures/data." |
The overview is a positive feature at both levels, and a script without one cannot fully fit either. That, rather than a rule anyone printed in so many words, is why the overview limits your Task Achievement. And Task Achievement is one criterion of four: "The criteria are weighted equally and the score on the task is the average." So a limited Task Achievement moves roughly a quarter of the task score. IELTS never prints that figure; it is what "weighted equally" works out to. The other three quarters carry on as normal.
Which brings us back to the bricks. That Band 7 process script: "The process itself is adequately described, although some irrelevant information is included and there is no clear overview." What the examiner names as holding down Task Achievement is something else: "This test taker uses an inappropriate format at times (e.g. the letter-style opening and personal comments) and this limits the band for Task Achievement."
Two cautions before anyone over-reads that, including me. The band on a sample script is the band for the task, not the Task Achievement sub-score, which is never published. And IELTS caveats the whole pack: the scripts "should not be regarded as definitive examples of any particular band score." So the claim that survives is narrow. A response the examiners describe as having no clear overview was still awarded Band 7 for the task overall.
My view, and it is a view. The overview is the cheapest band of Task Achievement you will ever buy, and it is not a gate. That distinction changes how you spend the twenty minutes. A candidate who thinks it is a gate rewrites the summarising sentence over and over and reaches the body with most of the time gone and no room for the figures, which costs far more.
Where the overview goes, how long it is, and whether it can go last
Second paragraph, straight after the introduction, is the convention rather than the rule. The official teacher article: "if the test taker does not include the overview in the introduction, they can include it at the end of the response." Length is "one or two sentences", and no official source specifies a count. The Band 8.5 comment below faults an overview for being thin, not for being short, and those are different faults.
How many paragraphs should IELTS Writing Task 1 have?
Nothing official sets a paragraph count. In the examiner comment on that same Band 7 brick script, the paragraphing remark sits inside the cohesion commentary — "paragraphing would have helped convey a clearer description of the stages" — which is where paragraphing gets noticed, not in Task Achievement.
Four is what I teach, and it is only what I teach: what the visual shows, the overview, two bodies. A five-paragraph answer with a clear overview beats a four-paragraph one without.
Keep figures out of the overview and put them in the body
IDP's "don't include data or figures" applies to the overview. It has escaped into general advice, and it is expensive there. Band 6 requires "Information is appropriately selected and supported using figures/data"; Band 5 flags that "There may be no data to support the description". A Band 5 script was marked down for exactly this: "There is a good attempt to describe the overall trends but the content would have been greatly improved if the candidate had included some reference to the figures given on the graph. Without these, the reader is lacking some important information."
Trends in the overview, numbers underneath it. Leave out the reason for the numbers, though. Academic Task 1 is defined as "basically an information-transfer task, which relates narrowly to the factual content of a diagram, graph, table, chart, map or other visual input, not to speculative explanations that lie outside the given data." Sentences beginning "this may be because" are unpaid work.
How do I write an overview for a process diagram or a map?
The Band 7 descriptor asks for "main trends or differences". A brick kiln has neither, and nor does a village that acquired a car park in 1985. The instruction on the paper does not change for the picture, though. On the process task, word for word as on the charts: "Summarise the information by selecting and reporting the main features, and make comparisons where relevant."
The resolution sits in an examiner comment on a Band 8.5 process script: "There is an overview in the first paragraph indicating that there are 'seven consecutive steps' however for the highest score, a fuller overview would be needed, to summarise those key stages, for example; extracting the clay, then shaping, drying and delivering the bricks."
The candidate counted the stages. What the examiner wanted was them named, compressed into one arc from raw material to finished thing.
Maps are where I admit a limit. The official sample set holds a bar chart, a line graph and a process diagram. No map task, so no examiner commentary on a map overview anywhere in the published material. Anybody handing you a map formula and calling it official has nothing behind it.
| Visual | What the overview names | What that rests on |
|---|---|---|
| Line graph, bar chart, table | The main trends or differences | Band 7 descriptor, verbatim |
| Process diagram | The key stages, compressed into one arc | Band 8.5 examiner comment |
| Map | The overall character of the change across the whole area | My inference from the process comment. Nothing official. |
For a map I would write the sentence that says what happened to the place as a whole. A rural settlement became a tourist town. An industrial site was cleared for housing. The body then takes the individual changes and where they sit. If somebody tells you IELTS requires it, they are quoting me.
Task Achievement and Task Response are not the same criterion
They share a slot on the mark sheet and assess different things, which is why candidates who prepared Task 2 first reach the bar chart and start explaining why the line fell.
| Task Achievement (Task 1) | Task Response (Task 2) | |
|---|---|---|
| Official definition | "how fully, appropriately, accurately and relevantly the response fulfils the requirements set out in the task, using a minimum of 150 words" | "candidates are required to formulate and develop a position in relation to a given prompt in the form of a question or statement, using a minimum of 250 words" |
| Your own experience | Out of bounds. It is an information-transfer task. | Invited: "examples may be drawn from a candidate's own experience" |
| Minimum words | 150 | 250 |
The Key Assessment Criteria names five things Task Achievement assesses here, among them "selecting key features of the information" and "presenting the response in an appropriate format". Overview is in none of the five, which is worth knowing before you treat it as the whole criterion.
On weighting, the published sentence is "Task 2 contributes twice as much as Task 1 to the Writing score", and nothing more. The arithmetic and the rounding are not published, so treat the ratio as real and any formula you meet as somebody's reconstruction. The 25% per criterion you see quoted is the same kind of thing: a fair restatement of "weighted equally", never an official figure. If Task 2 is where the band is leaking, the criterion-by-criterion comparison of band 6 and band 7 is the piece to read next.
IELTS Writing Task 1 word count: what happens if you write under 150 words
The question paper says "Write at least 150 words." On the count itself, the only hard rule published anywhere is that "Responses of 20 words or fewer are rated at Band 1." No automatic Band 5, no band lost per twenty words short, no maximum at all. The official explanation of why short scripts do badly is unglamorous: if your answer is too short, there may not be enough evidence of the language features needed in order to award higher bands.
Bullet points are a different matter and hardly anyone mentions them. Scripts "may be penalised if they are a) partly or wholly plagiarised, b) not written as full, connected text (e.g. using bullet points in any part of the response, or note form, is not appropriate)." In any part of the response. Three minutes from the end, a short bad sentence still beats a neat dash.
Twenty minutes on a screen that counts for you
The same rubric says "You should spend about 20 minutes on this task", while the ielts.org format page phrases it as "no more than 20 minutes". I teach the paper's wording, because about is the honest word for a task you may finish in fourteen minutes or need twenty-four for.
Then the screen, which has quietly retired a whole genre of advice. On computer-delivered IELTS "you can also see the number of words you typed in the lower-left corner", and "a stopwatch in the upper middle part of the screen" "starts to flash in the last 10 minutes and 5 minutes before reading and writing tests end". Counting words by hand, estimating words per line, keeping four minutes back to total them up: paper advice, and in Bangladesh paper is gone. IDP Bangladesh says it "will no longer be offered in Bangladesh after 31st January 2026"; worldwide, the position published on 5 March 2026 was that "from mid-2026, we will no longer offer IELTS as a paper-based test", with "exact timelines will vary by market" — that rollout is mid-flight, so check ielts.org for your own market before assuming a paper seat exists anywhere.
The marking did not change with the screen: "The task types, scoring and time allocation of the Writing component are the same whether it is taken on computer or on paper." A "Writing on Paper" option was announced for "selected markets" from mid-2026, and as of this check no official page names Bangladesh as one of them.
Fees are the other thing the coaching sites have stale. Checked 11 September 2026: IDP Bangladesh lists IELTS on Computer at BDT 29,600, while the ielts.org listing for British Council, Luminedge Bangladesh shows BDT 28,450. The providers are not priced the same, which nobody mentions, and that second figure comes from the ielts.org centre listing rather than the British Council's own Bangladesh page. Check it there before you budget.
Our Writing papers go to a human instructor who marks all four criteria separately and writes a line on each, so you learn which quarter of the mark the overview was costing you. Twenty-one full past-paper sets, on a screen built to match the computer-delivered one. Speaking is marked by an instructor the same way, from a recording of your answers. No connection to the British Council, IDP or Cambridge, and every Cambridge paper is free.
One habit. Read the whole visual, write the overview, then start the body. Written first, it is a summary. Written in the last ninety seconds, it is usually a conclusion wearing a different hat.



