Why Is My IELTS Writing Stuck at Band 5?

This is the first thing an examiner checks. At band 5, the most common problem is answering the topic instead of the question.

1. 1
   The problem

   Writing about the topic, not the question

   IELTS Task 2 has five question types: opinion, discussion, problem-solution, two-part, and advantage-disadvantage. Each one needs a different response structure. If the question asks 'to what extent do you agree?' and you write a discussion essay presenting both sides equally with no clear position, your Task Achievement score drops to band 5 regardless of how good the writing is. Examiners see this mistake daily.

   Goal

   Before writing a single word, read the question twice. Identify the task type. Write your position or approach in one sentence. Only then start the essay.

2. 2
   The fix

   Plan for three minutes before writing

   Students who plan for three minutes before writing consistently outperform students who dive straight in. Your plan doesn't need to be detailed. Example: task type, your main position, and one idea per body paragraph. That's it. This three-minute investment fixes the most common Task Achievement errors.

   Goal

   Never skip the planning step. One sentence per paragraph in your plan, written before you start. This prevents you from drifting away from the question mid-essay.

This criterion is about how easy your essay is to follow. Band 5 essays are often difficult to read because the structure is unclear or the linking words are overused and mechanical.

1. 1
   The problem

   Listing ideas instead of developing them

   A very common band 5 pattern: one short paragraph after another, each with a different idea but no development. 'Firstly... Secondly... Thirdly... In conclusion.' This looks structured but it isn't. Examiners want to see one idea per paragraph, explained fully with a reason and an example. Three underdeveloped ideas score lower than one well-developed one.

   Goal

   Each body paragraph should cover one idea only: make the point, explain why it's true, and give a specific example. Three sentences minimum per paragraph before moving on.

2. 2
   The problem

   Overusing linking words

   Starting every sentence with 'Furthermore,' 'Moreover,' 'In addition,' or 'Additionally,' is a band 5 signal. Examiners know what this looks like and it doesn't impress them. These words are supposed to connect ideas. However, when every sentence starts with one, they stop doing that job. Natural academic writing uses linking words selectively, not as sentence starters on autopilot.

   Goal

   Use one discourse marker per paragraph at most. If you're starting every sentence with 'Moreover' or 'Furthermore', replace most of them with normal connectors: 'This means that...', 'As a result...', 'For example...'

This is where most band 5 students leave the most marks behind. Lexical Resource is about using words accurately together. Students tend to mistake lexical resource for just how many words you know. Examiners reward collocations: words that go together the way native speakers use them.

1. 1
   The problem

   Translating ideas word-for-word from your native language

   For example, Thai and English combine words very differently. In Thai, word pairings are flexible. In English, they're fixed. You can't 'make a decision' and 'do a decision' interchangeably. One is correct, and one isn't. When students translate ideas directly from Thai, they produce sentences that are technically understandable but unnatural. Examiners call this 'inappropriate collocation' and it's one of the clearest signals of a band 5 Lexical Resource score.

   Goal

   Learn vocabulary in phrases, not in single words. 'Environment' is not a vocabulary item, 'address environmental concerns', 'pose a serious threat to the environment', and 'place a strain on natural resources' are. Always learn how a word is used, not just what it means.

2. 2
   The problem

   Using the same words repeatedly

   Band 5 essays often repeat the same five or six words throughout. 'Important' appears in every other sentence. 'Society' and 'people' are used interchangeably without variation. This signals a limited vocabulary range, which is exactly what Lexical Resource measures. The fix is building topic-specific vocabulary so you have real alternatives when you're writing under pressure.

   Goal

   For every IELTS essay topic, know at least three ways to express the central idea. If the topic is education, you should be able to vary between 'academic institutions', 'educational systems', 'schooling', 'formal education' and know when each one fits.

This is the criterion most students focus on, and for most band 5 essays it's not the main problem. That said, there are a few specific grammar patterns that pull scores down and are worth fixing.

1. 1
   The problem

   Writing only simple sentences

   Band 5 is described by IELTS as 'attempts complex sentences but with limited success'. Band 6 requires complex sentences used accurately. If your essay is mostly short simple sentences, you're already capped at band 5 for this criterion even if every sentence is grammatically correct. You need relative clauses, conditional structures, and passive voice used accurately.

   Goal

   In every paragraph, write at least one complex sentence using a relative clause ('which', 'that', 'who') or a conditional structure ('if... then'). One per paragraph is enough to demonstrate range.

2. 2
   The problem

   Article and preposition errors

   Languages like Thai don't use articles (a, an, the) or prepositions in the same way English does. This creates consistent errors that examiners notice immediately: 'the government should invest in the education' instead of 'in education', or 'people depend in technology' instead of 'on technology'. These errors are common, they're fixable, and they're worth targeting specifically because they appear in almost every sentence.

   Goal

   After every writing session, go back through your essay and check every 'the' and every preposition. Ask yourself: is 'the' needed here? Is this the right preposition? This review takes two minutes and catches most of these errors.

Each criterion has a different fix, and trying to improve all four at once usually means improving none of them. Work through these in order.

1. 1
   Fix 1. Week 1 and 2

   Diagnose your task type problem first

   Before anything else, you need to know which task types you're getting wrong. Write one essay for each of the five Task 2 types: opinion, discussion, problem-solution, two-part question, and advantage-disadvantage. Compare each one against a model answer. For every essay where your structure doesn't match the model, you know which task type to fix. Most band 5 students have one or two types they consistently misread.

   Goal

   By the end of week 2: you can identify any Task 2 question type on sight and write the correct opening paragraph for it.

2. 2
   Fix 2. Week 3 and 4

   Build topic vocabulary as phrases, not words

   Pick the six main IELTS topics: environment, education, technology, health, crime, globalisation. For each topic, learn ten collocations.. 'Tackle climate change', 'bridge the educational gap', 'pose a cybersecurity risk'. Write one original sentence using each phrase on the same day you learn it. This converts recognition into production, which is the only vocabulary that helps you in an exam.

   Goal

   10 new topic phrases per day, one sentence each. After four weeks you'll have around 250-300 usable collocations across all six main topics.

3. 3
   Fix 3. Week 5 and 6

   Rewrite your paragraph structure

   Stop writing lists of ideas. For every body paragraph, use this structure: make one point, explain why it's true, give one specific example. That's it. Three to five sentences per paragraph, all building on the same idea. If you find yourself starting a new sentence with 'Also,' or 'Another point is...', you've started a new paragraph idea in the middle of the old one. Stop and finish the first idea properly.

   Goal

   One timed essay per week, 40 minutes, no dictionary. After writing, check that every body paragraph has exactly one central idea, a reason, and an example.

4. 4
   Fix 4. Ongoing

   Get your writing checked by someone who knows the criteria

   Self-assessment of Writing is unreliable at band 5. You don't yet have a clear picture of what band 6 looks like at the criterion level, which means you can't accurately identify your own errors. Reading model answers helps, but comparing your own essay against the four marking criteria with a qualified teacher is significantly faster. Even two or three sessions of proper feedback can clarify exactly which criterion is holding your score back.

   Goal

   Submit at least one Task 2 essay to a qualified IELTS teacher for criterion-level feedback before your next exam attempt.