Advice from the build team

Construction blog for homeowners.

Costs, timelines, planning rules and what to watch out for — written by the team that does the work.

Bathroom renovation cost guide — four-piece bathroom

Refurbishments · Cost guide

How much does a bathroom renovation cost in London in 2026?

Honest price ranges from £4,500 to £22,000+, what drives cost up, and what a fair quote looks like in South West London.

June 2026 · 6 min read

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Renovated bathroom adding value to a London property

Refurbishments · Property value

Does a bathroom renovation add value to your home in London?

A bathroom renovation typically adds 4–6% to property value — but only if you do the right things, in the right bathroom, to the right standard.

June 2026 · 5 min read

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Bathroom renovation in progress — tiling and plumbing

Refurbishments · Planning

How long does a bathroom renovation take? A realistic week-by-week timeline.

The on-site part is faster than most people expect. Here's what happens each week, what causes delays, and how to plan around the build.

June 2026 · 5 min read

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Completed garden studio home office in South West London

Garden studios · Planning

Garden studio vs granny annexe: what's the difference and do you need planning permission?

These two terms get used interchangeably online — but the planning rules are completely different, and getting it wrong can be costly.

June 2026 · 6 min read

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Full house renovation in South West London

Cost guide · South West London

Home improvement costs in South West London — what to budget in 2026.

Loft conversions, extensions, garden studios and refurbishments. Honest price ranges from a construction company based in Twickenham.

June 2026 · 7 min read

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Loft conversion in South West London

Loft conversions · Cost guide

How much does a loft conversion cost in South West London in 2026?

Dormer, hip-to-gable and mansard conversions — honest price ranges from £55,000 to £130,000 and what drives the difference.

June 2026 · 7 min read

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Loft conversion with dormer window in Twickenham

Loft conversions · Planning

Do I need planning permission for a loft conversion in South West London?

Most loft conversions are permitted development — but the rules have conditions, and conservation areas change the picture entirely.

June 2026 · 6 min read

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Open-plan kitchen extension in South West London

Home extensions · Cost guide

How much does a kitchen extension cost in South West London in 2026?

Rear extensions, side returns and wraparounds — honest price ranges from £30,000 to £120,000 for the structure, plus what a kitchen fit-out adds.

June 2026 · 7 min read

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Single-storey rear extension in South West London

Home extensions · Planning

Do I need planning permission for a rear extension in South West London?

The rules, the size limits, and what conservation areas and Article 4 Directions mean for homeowners in Twickenham, Richmond and Kingston.

June 2026 · 6 min read

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Garden studio home office in South West London

Garden studios · Cost guide

How much does a garden studio cost in South West London in 2026?

From a standard home office at £25,000 to a bespoke masonry studio at £80,000+ — what you get at each level and what drives the difference.

June 2026 · 6 min read

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