Guides
The rules that move your numbers, explained.
Every worked example is calculated live by the same engine as the analyser, so the figures update when the rules do. Each one links to the official source and opens its example in the analyser.
Buying from abroad
Non-resident stamp duty, explained with real numbers
The 2% surcharge for buyers living outside the UK: who pays it, how it stacks with the 5% additional-property surcharge, and what it costs on a typical buy-to-let.
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Tax
Section 24: what it actually costs a higher-rate landlord
Why you can't deduct mortgage interest any more, how the 20% tax credit works (including the cap that's easy to miss), and the real cost on one deal.
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Structure
Limited company vs personal: compare after dividend tax
The company route usually looks better, until you take the money out. The same deal, three tax bands, and the case where owning personally wins.
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