4orty Construction
Kitchen extension mid-build, oak mantel being fitted by 4orty Construction
Guides

Straight answers, before you need to ask

Planning permission, timelines and how commercial fit-out actually works, explained honestly, without a sales pitch attached.

Residential

Do You Need Planning Permission for a House Extension?

Most single-storey rear extensions fall under permitted development, but the limits are specific. Here's how to check before you plan around the wrong assumption.

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Residential

Planning Permission Rules for Garden Rooms, Explained

A garden room is a building, not a shed kit, and the planning rules reflect that. Here's what generally qualifies as permitted development and what tips it into needing an application.

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Residential

How Long Does a Kitchen Renovation Take? A Stage-by-Stage Timeline

A kitchen renovation isn't one job, it's eight. Here's what each stage actually involves and how long it typically takes on site.

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Residential

How Long Does a Roof Replacement Take?

The material on your roof changes the timeline more than almost anything else. Here's how long each type typically takes, and what stretches it.

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Commercial

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

The single most common question from procurement and facilities teams before tendering a fit-out. Here's the difference, in plain terms.

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Residential

How Much Does a House Extension Cost in North Yorkshire? 2026 Guide

Extensions are priced per square metre, and the range is wide. Here's what a typical single-storey or two-storey extension costs in 2026 and what pushes it up or down.

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Residential

How Much Does a Loft Conversion Cost? 2026 Prices by Type

A loft conversion costs anywhere from around £20,000 to £90,000 depending on type. Here's what each type involves and where your house is likely to sit.

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Residential

How Much Does a New Roof Cost in Scarborough? 2026 Guide

A full re-roof on a 3-bed semi runs from roughly £6,500 in concrete tile to over £18,000 in natural slate. Here's how the material, the roof and the coast change the number.

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