A loft conversion in South West London typically costs between £35,000 and £75,000, depending on the type and complexity. For instance, a Velux (skylight) conversion may start around £25,000, while a Mansard conversion can reach up to £80,000 or more .
In most cases, you don’t need planning permission for a loft conversion as it falls under Permitted Development Rights.
However, if you live in a conservation area, or your design includes major roof alterations, you may need approval.
Always check with your local planning authority to be sure.
A standard loft conversion typically takes 6 to 8 weeks to complete.
More complex conversions, like a mansard or hip-to-gable, may take 10 to 12 weeks.
Design, planning, and approvals (if needed) can add extra time before construction begins.
Yes, a loft conversion can add up to 20% to your property’s value.
It creates additional living space—like a bedroom or office—without extending your home's footprint.
Buyers in areas like South West London often see it as a major selling point.
The Loft Conversion transforms your unutilised loft into an adorable and useful extra space for your home. We can help you realise your idea, whether it’s a bright new workplace, a comfortable lounge, or an additional bedroom.
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