PropertyLord AI Blog

Property Development Insights

Guides, analysis, and tools for UK property developers.

Development Strategy

What is a Section 106 agreement? A UK developer's guide

A plain-English explanation of Section 106 planning obligations for UK property developers: what they are, the law behind them, the three legal tests, how they differ from CIL, and how they hit a development appraisal.

18 Jun 20268 min read
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Development Strategy

Permitted development rights explained for UK developers

What permitted development rights are, the GPDO 2015 that grants them, how prior approval works, why Article 4 directions can remove them, and how to treat PDR in a development appraisal. Education only, not advice.

18 Jun 20268 min read
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Development Strategy

Biodiversity net gain (BNG) explained for developers

A practical, education-only guide to mandatory biodiversity net gain in England: the 10% rule, the Environment Act 2021, the 30-year maintenance duration, key exemptions, and how BNG lands on a development appraisal.

18 Jun 20268 min read
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Investment Strategy

How to underwrite an HMO conversion in the UK

A step-by-step method for underwriting a UK HMO conversion before you offer: room income, void and management assumptions, refurb and finance costs, the stress tests that decide the deal, and the numbers that quietly sink it.

15 Jun 20269 min read
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Development Strategy

What goes into a development feasibility appraisal

A plain-English breakdown of a UK property development feasibility appraisal: GDV, build costs, the residual land value method, finance, professional fees, contingency and developer profit, with a worked illustrative scheme.

15 Jun 202610 min read
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Tax & Finance

HMO conversion tax 2026: SDLT, VAT and allowable expenses explained

HMO conversion tax 2026: verified HMRC rates for SDLT, the 5% VAT route, Section 24, allowable expenses and CGT, with worked numbers for UK landlords.

10 Jun 20268 min read
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Development Strategy

HMO Conversion Costs 2026: Article 4 Areas, Licensing, and Real Numbers

A 2026 field guide to HMO conversion economics: the three licensing regimes, Article 4 Direction areas that gate planning, and a trade-by-trade cost stack for a realistic 4-6 bed conversion.

20 Apr 202610 min read
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Tax & Finance

SDLT 2026 Changes: What UK Property Developers Need to Know

April 2025 restored the £125k SDLT threshold and dropped first-time buyer relief to £300k. Here's how the 2025/26 rates hit developer deals, with a full rate table and worked scenarios.

20 Apr 20268 min read
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Build Costs

UK Build Cost Guide 2026: what developers should budget per sq m

2026 UK build costs: verified BCIS, ONS and GOV.UK data on construction inflation, materials and what to budget per sq m for your next site.

19 Apr 20268 min read
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Tax & Finance

How Much Does Stamp Duty Cost in 2026?

Complete guide to SDLT rates from April 2025, including first-time buyer relief, additional property surcharges, and company purchases.

19 Mar 20265 min read
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Build Costs

HMO Conversion Costs: What to Budget in 2026

A trade-by-trade breakdown of HMO conversion costs across UK regions, from planning to completion.

15 Mar 20267 min read
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Investment Strategy

BRRR Strategy Explained: The Complete UK Guide

How Buy, Refurb, Refinance, Rent works in the UK, with real numbers, financing options, and common pitfalls.

10 Mar 202610 min read
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