Frequently Asked Questions
Is £42,000 a good data / business analyst salary in London?
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£42,000 is the entry-level data / business analyst salary in London, representing 72% of the median (£58,000).
Net take-home is £2,813/month after tax and NI.
Rent-to-income is 73% — unsustainable solo.
At 11% below the London all-worker median of £47,455, cost management is important at this level.
What is the average data / business analyst salary in London?
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The median London data / business analyst salary is £58,000 (ONS 2025).
The lower quartile (P25) is £46,000 and the upper quartile (P75) is £74,000.
Entry-level roles typically start around £42,000,
while senior professionals reach £79,000.
How much can a data / business analyst in London save each month?
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On £42,000 in London, after rent (£2,050/mo), council tax (£165/mo),
transport (£185/mo) and groceries & utilities (£462/mo),
estimated monthly savings capacity is approximately £0/month.
At this salary level in London, solo living leaves little room to save — shared housing would significantly improve savings capacity.
What is the rent-to-income ratio for a data / business analyst in London?
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On £42,000 in London, the rent-to-income ratio for a 1-bed flat is 73%.
The guideline for comfortable solo living is under 33%.
To achieve a 33% RTI on a London 1-bed (£2,050/mo),
you need approximately £74,000 gross annual salary.