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The Build Blog

Practical guides, cost breakdowns, and expert tips for UK homeowners planning a construction project.

Party Wall Agreements: What UK Homeowners Need to Know (2026)
Planning & Regs

Party Wall Agreements: What UK Homeowners Need to Know (2026)

Everything about party wall agreements for UK extensions and loft conversions. When you need one, surveyor costs, timeline, and how to serve notice to your neighbour.

16 Mar 20269 min readRich
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Do I Need Building Regulations for a Garden Room? The 2026 Rules Explained
Planning & Regs

Do I Need Building Regulations for a Garden Room? The 2026 Rules Explained

Planning permission and building regulations for garden rooms are different things. Here's when each applies, what's exempt, and what happens if you skip them.

13 Mar 20269 min readRich
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Spring Home Maintenance Checklist: What to Inspect After Winter
Planning & Regs

Spring Home Maintenance Checklist: What to Inspect After Winter

A spring maintenance checklist for UK homeowners. Catch winter damage to roofs, gutters, walls, and drainage before small problems get expensive.

13 Mar 202610 min readRich
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Building Control vs Approved Inspectors: Which Route to Choose
Planning & Regs

Building Control vs Approved Inspectors: Which Route to Choose

You can use your local council's building control or a private approved inspector. Here's how they compare on cost, speed, and what to watch out for.

8 Mar 20266 min readRich
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Party Wall Agreement: Costs, Process & Quote Implications
Planning & Regs

Party Wall Agreement: Costs, Process & Quote Implications

A party wall agreement costs £700-£2,000+ per neighbour and takes 2-3 months. Here's when you need one and how it affects your building project.

8 Mar 20267 min readRich
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How Thick Should Cavity Wall Insulation Be? UK Building Regs Explained
Planning & Regs

How Thick Should Cavity Wall Insulation Be? UK Building Regs Explained

Cavity wall insulation must be at least 150mm for full-fill new builds under Part L. Full-fill vs partial-fill, U-value targets, and what to check on site.

7 Mar 20264 min readRich
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Flat Roof U-Values and Insulation: UK Building Regs Explained
Planning & Regs

Flat Roof U-Values and Insulation: UK Building Regs Explained

Flat roof U-value must be 0.18 W/m²K for new builds and 0.25 W/m²K for renovations. Warm vs cold roof, PIR thickness, and condensation risk explained.

7 Mar 20264 min readRich
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How to Check Brickwork Quality: A Homeowner's Guide
Planning & Regs

How to Check Brickwork Quality: A Homeowner's Guide

Learn how to inspect brickwork quality yourself. Mortar joints, wall ties, cavity insulation, DPC, and weep holes explained with building regulations references.

7 Mar 20267 min readRich
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How to Check DPC and Damp Proofing: What Every Homeowner Should Inspect
Planning & Regs

How to Check DPC and Damp Proofing: What Every Homeowner Should Inspect

Plain English guide to checking DPC and damp proofing on your building project. Covers DPC height, DPM continuity, cavity trays, radon barriers, and common bridging problems.

7 Mar 20267 min readRich
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How to Check Your Electrician's Work: A Homeowner's Guide
Planning & Regs

How to Check Your Electrician's Work: A Homeowner's Guide

How to check electrical work quality yourself. Part P certification, consumer units, RCD protection, cable routes, and smoke alarms with building regulations explained.

7 Mar 20267 min readRich
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How to Check Foundation Work: A Homeowner's Inspection Guide
Planning & Regs

How to Check Foundation Work: A Homeowner's Inspection Guide

A plain English guide to inspecting foundation work on your building project. Covers trench depth, concrete spec, soil conditions, and building control stages.

7 Mar 20267 min readRich
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How to Check Plastering Quality: What Good Work Looks Like
Planning & Regs

How to Check Plastering Quality: What Good Work Looks Like

How to inspect plastering quality yourself. Flatness tolerances, skim thickness, hollow spots, cracking, and corner beads explained with practical checks.

7 Mar 20266 min readRich
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How to Check Plumbing and Drainage Work Quality
Planning & Regs

How to Check Plumbing and Drainage Work Quality

How to inspect plumbing and drainage work yourself. Pipe gradients, drain bedding, unvented cylinders, discharge pipes, and water efficiency with building regulations.

7 Mar 20267 min readRich
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How to Check Roofing Work: What Every Homeowner Should Inspect
Planning & Regs

How to Check Roofing Work: What Every Homeowner Should Inspect

How to inspect roofing work quality yourself. Tile alignment, lead flashings, ventilation, insulation, and guttering checks with building regulations explained.

7 Mar 20267 min readRich
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How to Check Structural Steelwork: A Homeowner's Guide to Beams and Supports
Planning & Regs

How to Check Structural Steelwork: A Homeowner's Guide to Beams and Supports

Plain English guide to inspecting structural steel beams and supports on your building project. Covers beam specs, bearing lengths, padstones, fire protection, and lintels.

7 Mar 20267 min readRich
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How to Check Window and Door Installation Quality
Planning & Regs

How to Check Window and Door Installation Quality

How to inspect window and door installation yourself. FENSA certificates, trickle vents, U-values, fire doors, and draught seals with building regulations explained.

7 Mar 20267 min readRich
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Loft Conversion Headroom and Staircase Rules: UK Building Regs
Planning & Regs

Loft Conversion Headroom and Staircase Rules: UK Building Regs

Loft conversions need 2.2m headroom over 50% of floor area, 750mm stair width, and 0.33m² escape window. Full Part K and Part B requirements explained.

7 Mar 20265 min readRich
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Minimum Foundation Depth UK: What Building Regulations Require
Planning & Regs

Minimum Foundation Depth UK: What Building Regulations Require

UK minimum foundation depth is 450mm, but most foundations go to 900mm-2.5m depending on soil type and tree proximity. Full Approved Document A guide.

7 Mar 20265 min readRich
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What Should a DPC Look Like? Spotting Damp Proof Course Problems
Planning & Regs

What Should a DPC Look Like? Spotting Damp Proof Course Problems

A DPC is a black polythene strip at least 150mm above ground level. Learn how to spot bridged, missing, or failing damp proof courses on your property.

7 Mar 20264 min readRich
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5 Things Every Homeowner Should Check Before Hiring a Builder
Planning & Regs

5 Things Every Homeowner Should Check Before Hiring a Builder

A practical checklist for vetting builders in the UK - from insurance and references to spotting red flags in quotes. Don't sign until you've checked these five.

19 Feb 20266 min readRich
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Planning Permission in 2026: What You Actually Need to Know
Planning & Regs

Planning Permission in 2026: What You Actually Need to Know

Most single-storey extensions don't need planning permission. Check the permitted development rules for extensions, lofts, porches, and outbuildings — plain English, updated March 2026.

20 Jan 20266 min readRich
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