Office fit-out guides

Practical, independent guides for businesses planning an office fit-out or refurbishment in London.

Guide

Office Fit Out Cost per Sq Ft in London (2026)

London office fit-out costs per sq ft in 2026 for Cat A, Cat A+ and Cat B, example budgets by office size, area premiums, what drives cost and hidden extras.

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Guide

Cat A vs Cat B Fit Out: What’s the Difference?

Cat A vs Cat B office fit-out explained: what each includes, shell and core and Cat A+, typical London costs per sq ft, who pays, and how long each takes.

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Guide

How to Choose an Office Fit Out Company in London (2026)

A practical checklist for choosing an office fit-out contractor in London: experience, accreditations, insurance, comparing quotes, contracts and red flags.

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Guide

Cat A Fit Out in London: What’s Included and What It Costs (2026)

What a Cat A office fit-out includes, 2026 London costs per sq ft (£60–£95), Cat A+ and plug-and-play, who pays, and when Cat A makes sense for occupiers.

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Guide

Office Dilapidations in London: A Tenant’s Guide

What office dilapidations are, how claims work, the Dilapidations Protocol and Section 18 cap, reinstating a fit-out, and how to limit your liability.

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See also: areas of London we cover · how we research our guides

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