House Extensions Dulwich

House Extensions Specialists in Dulwich, South East London

JT Allen are expert house extensions specialists serving Dulwich homeowners. With over 35 years of experience, we’ve transformed countless Dulwich homes with beautiful, functional spaces.

About Dulwich

Dulwich is one of South East London’s most sought-after residential areas, known for its village atmosphere, tree-lined streets, and exceptional period properties. The area encompasses East Dulwich, West Dulwich, and Dulwich Village, each with its own distinct character.

Local landmarks include Dulwich Picture Gallery, Dulwich Park, the historic Dulwich College, and the charming Dulwich Village high street.

Request a call back

Complete the form below and we’ll get back to you within 24 hours:

Preferred contact method

Dulwich Property Types We Work With

Dulwich features a diverse range of housing: Victorian terraced houses, Edwardian family homes, Georgian properties near Dulwich Village, 1930s semi-detached homes, and converted period apartments.

Each property type requires a different approach to house extensions. Our experience across Dulwich means we understand the structural characteristics and design opportunities of local homes.

Popular House Extensions in Dulwich

Rear Extensions

The most popular choice for Dulwich homes. Creates open-plan kitchen-diners with bi-fold doors opening onto the garden. Perfect for modern family living.

Side Return Extensions

Ideal for Dulwich’s Victorian and Edwardian terraces. Transforms narrow side passages into additional width, creating bright, spacious kitchens.

Two-Storey Extensions

Popular with growing families in Dulwich. Adds both ground floor living space and additional bedrooms above. Excellent value per square metre.

Planning & Building Regulations in Dulwich

Dulwich falls under Southwark Council. Parts of Dulwich fall within conservation areas with Article 4 directions, meaning permitted development rights may be restricted. We have extensive experience navigating Southwark Council’s planning requirements.

We handle all planning applications and building regulations approval, ensuring your project proceeds smoothly.

10649

What Our Dulwich Customers Say

Michael & Sarah, Dulwich
JT Allen transformed our Victorian terrace in East Dulwich with a stunning rear dormer loft conversion. The attention to detail was exceptional, and they handled all the conservation area paperwork seamlessly. Highly recommended!

Why Dulwich Homeowners Choose JT Allen

Book Your Free Site Survey in Dulwich

Let us assess your property and provide expert recommendations tailored to your Dulwich home.