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Monolith Construction

Hero image showing a modern outside building and garden room in Lewes.
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Outside Buildings in Lewes

Comfortable garden rooms and studios in Lewes, tailored to your property.

Lewes Garden Rooms & Studios

Garden Rooms You'll Use All Year

Create a versatile garden room, studio, or home office in Lewes and East Sussex that's comfortable in every season. We design and build with proper insulation, glazing, heating, and compliant electrics — from foundations right through to final fit-out.

Planning made simple

Clear guidance on permitted development so you know where you stand.

Comfortable in every season

Year-round insulation and heating options for genuine daily use.

Fully connected

Power, water, and data run in and coordinated with trusted local trades.

Lewes Garden Rooms & Studios Project Gallery

Garden room project in Lewes
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Why Choose Us for Outside Buildings?

Fully Insured & Compliant

Safe, insured construction of garden rooms, studios and outdoor structures.

Fair, Transparent Pricing

Clear estimates for garden offices, studios, workshops and outbuildings.

End-to-End Build Management

From foundations to finishing — complete delivery of your outside building project.

Plan Your Garden Room or Studio

Share your requirements and we’ll design a space that fits your needs.

Get A Free Estimate

Outside Building FAQs in Lewes