Costs
Wrap-Around Extension Cost in London (2026): Price, Planning & Value
£/m² by spec, a worked 30m² example, why wraps need full planning, party wall and Thames Water — the complete L-shaped guide.
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London Renovation Guides & Advice
Practical, no-nonsense guidance on renovating, extending and building in London — real 2026 costs, planning, contracts and how the process actually works. Written by the team at My Trusted Builder.
Costs
Garage Conversion Cost in London (2026): Price, Planning & Value
£/m² by spec, planning permission rules, Building Regs and the value it adds — everything you need before converting.
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Loft Conversion Types Compared: Dormer vs Mansard vs Hip-to-Gable vs Rooflight
What each loft type costs in London in 2026, how much space it adds, and when you need planning permission.
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Kitchen Extension Cost in London (2026): Price, Glazing & Planning
£/m² by spec, glazing options priced, a worked 25m² example, plus planning and the steel to go open-plan.
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Two-Storey Extension Cost in London (2026): Cost, Planning & Value
Why two storeys cost less per m², a worked 30m² example, permitted development limits and the value it adds.
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Side Return Extension Cost in London (2026): The Complete Price Guide
£/m² by spec, a worked 15m² example, why side returns cost more per m², party wall and the hidden costs.
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How Much Does a Whole-House Refurbishment Cost in London? (2026)
A line-by-line 2026 cost breakdown — £/m² by spec tier, structural works, MEP, kitchens, fees, VAT and contingency.
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Loft Conversion vs Rear Extension: Which Adds More Value?
Costs, planning, value uplift and disruption compared — so you spend on the right project for your London home.
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Renovating a Victorian Terrace in London: The Complete 2026 Guide
Damp, RSJs, party walls, EPC upgrades, sequencing and realistic costs for London's most common housing stock.
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Design & Build vs Traditional Contract: Protect Your Budget
The real differences between design & build and traditional JCT contracts — and how each affects your price certainty.
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London Planning Permission for Extensions & Lofts: 2026 Guide
Timelines, costs, permitted development, conservation areas and the pitfalls that delay London applications.
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Party Wall Agreements London: What Homeowners Must Know
When notices are required, the 2-month and 1-month periods, surveyors' awards, costs — and the risk of ignoring the Act.
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Basement Conversion London: Cost, Feasibility & Risk (2026)
Excavation costs £/m², water-table risk, planning, party wall, waterproofing to BS 8102 and realistic £500k+ budgets.
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How a Bill of Quantities Saves You Money
How a proper BoQ enables like-for-like tenders, controls variations and protects your budget on a London build.
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7 Hidden Costs That Blow London Renovation Budgets
From party wall awards to Thames Water build-over agreements — the costs that catch London homeowners off guard.
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How We Collaborate With Architects (RIBA Stage 3 → Handover)
How MTB works alongside London architects — protecting design intent, the client relationship and programme certainty.
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How Much Does an Architect Cost in London? (2026 Fees Guide)
What architects really charge in London in 2026 — percentage vs fixed fees, the RIBA stage-by-stage breakdown, a worked example, and when design & build saves you money.
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