Property investing guides

Practical, plain-English guides on analysing UK property deals: how to work out GDV, how to estimate refurb costs, what makes a below-market-value deal actually stack, and how to source and package a deal.

How to estimate rent before you buy

Bed and type matched lettings comparables, why let agreed beats asking, and how many matched comps a confident figure needs.

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What is a good ROI for a UK buy to let

ROI, yield and cash on cash untangled, and a framework for judging your own number instead of chasing a universal one.

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Article 4 directions explained

How an Article 4 direction removes permitted development rights, what that does to HMO conversion, and why it must be checked per address.

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How to judge a property comparable

The six tests of a comparable, why blended medians mislead, and the honest limits of portal evidence.

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What should a deal pack contain

The full contents of a deal pack an investor can trust, and the evidence that separates a pack from a pitch.

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GDV vs market value

Post-works value from done-up comparables against as-is value today, and the appraisal mistakes that come from mixing them.

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How long does property analysis take

The honest manual timeline per stage of a full appraisal, and what changes when the evidence gathering is automated.

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Can AI value a property accurately

What AI valuation genuinely does well, where it fails, and why shown comparables and honest confidence matter more than the point estimate.

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Refurb cost per room in the UK

Why no single per-room number is honest, the element by element method that works, and measured whole-property figures by size and region.

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How sourcers analyse deals at volume

The three-stage funnel behind professional sourcing: screen everything fast, appraise the shortlist properly, package with evidence. Where automation helps and where it cannot.

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What to offer when a deal does not stack

Working backwards from end value, refurb and finance to the maximum price at which a deal works, and how to put that number to an agent.

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What is property sourcing? (And how to become a sourcer)

What sourcers actually do, what they charge, the compliance the law requires, and the setup order for starting in the UK.

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Property sourcing compliance: the UK legal setup

HMRC AML registration, redress schemes, ICO, insurance and sourcing agreements: what a sourcer legally needs before the first fee.

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How to work out rental yield

The gross and net formulas, a worked example, what counts as a good yield across UK regions, and the traps that flatter bad deals.

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How much below market value should I offer?

Size a BMV offer from sold comparables and your deal numbers, and know when 10%, 20% or walking away is the right answer.

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How to work out GDV on a UK property

What gross development value means, how to calculate it from comparable sales, and the mistakes that inflate it.

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How to estimate refurb costs on a property deal

A room-by-room method for pricing a refurbishment, the rates to use, and where to add contingency and VAT.

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How to analyse a Rightmove listing

The eight-step method from listing to offer: facts, condition from photos, refurb budget, sold comparables, GDV, rent and the deal maths, on worked numbers.

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What makes a BMV deal actually stack

How to tell a genuine below-market-value deal from a cheap listing, and the numbers that decide if it works.

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Property deal sourcing: how to analyse and package a deal

The end-to-end workflow for sourcers: find, analyse, stack the strategy and package a deal for an investor.

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BRRR explained: buy, refurbish, rent, refinance

How the BRRR strategy recycles your cash across deals, the four steps, and the money-left-in figure that decides whether a deal works.

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How to analyse an HMO deal

Per-room income, licensing and Article 4, the running costs that catch people out, and judging an HMO on yield on cost.

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Scottish Home Report explained

What a Scottish Home Report contains and how to read the surveyor valuation, condition scores and EPC when analysing a deal.

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Bridging finance explained for investors

How bridging works, what it really costs once fees are in, and when speed or access is worth paying for over a mortgage.

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Put it into practice

PropDetect runs this analysis for you. Paste a listing link and get refurb costs, comparable valuations, rent, GDV and ROI in minutes.