JJ Developments Loft Conversion

Loft conversion company Streatham



Loft conversion
specialists Streatham

We are a leading loft conversion company Streatham, if you are looking for a reliable, quality service, we are the loft conversion specialists Streatham based, to contact. We have extensive experience and an incredible portfolio of work, including quality mansard loft conversions, simple but stunning loft conversion using VELUX® windows and exceptional hip to gable loft conversions. We guarantee low prices, superior service and outstanding results, contact us today for more information.

Increasing numbers of homeowners seek additional living space but find expanding their homes financially challenging. The perfect remedy lies in loft conversions, offering both added space and increased property value! Whether it's a modest loft conversion in Streatham or an expansive loft extension project, we're equipped to meet your needs!
Mansard Loft
Mansard loft conversions in Streatham are highly sought-after for their ability to create significant additional living space. Typically constructed at the rear of properties, they feature a distinct horizontal roof and vertical back wall. Installation of new windows on the roof ensures ample natural light floods the interior, enhancing the overall living experience.
Dormer Loft
Dormer loft conversions in Streatham feature a distinctive boxed structure along the roofline. This design involves extending the roof vertically and installing new windows, without altering the original roof structure. These extensions provide increased headspace, optimizing the utilization of floor space within the loft.
Rooflight Loft
Opting for a loft conversion featuring VELUX® windows in Streatham offers a straightforward and cost-effective solution. This type of loft conversion requires minimal alterations to the roof, focusing primarily on the installation of Velux windows. The result? A beautifully transformed interior space that is flooded with natural light, creating a bright and airy atmosphere.
Hip to Gable Loft
A Hip-to-Gable loft conversion in Streatham is ideal for homes with hipped roofs that need a spacious loft conversion. This involves extending the roof by replacing part of it with a gable wall, creating additional headspace and maximizing the usable floor area that was previously unused.

years of experience


m2 of added loft space


hours on construction site


Planning a loft conversion? Let us simplify the process for you at JJD Loft Conversion:

Initial Consultation

Start your loft conversion journey by contacting us, your local loft conversion experts. We’ll schedule an initial consultation to discuss your vision, needs, and budget, saving you the hassle of searching endlessly for loft conversion near me.

Design and Proposal

Our skilled team will collaborate closely with you to create a customized design that maximizes space and suits your style. We’ll then provide a detailed proposal outlining the project scope, timeline, and costs involved in your loft extension or conversion project.

Planning and Permissions

Rest assured, we’ll take care of all the necessary planning permissions and building regulations, ensuring a smooth and hassle-free process from start to finish.


Once approvals are in place, our experienced craftsmen will begin construction. From structural work to finishing touches, we’ll keep you informed and involved every step of the way, ensuring transparency and satisfaction.

Completion and Handover

Before handing over the keys to your newly transformed space, we’ll conduct a final inspection to ensure everything meets our high standards of quality. Your satisfaction is our priority, and we’ll strive to exceed your expectations at every turn.

Contact us today to get started on your project.


FAQ with JJD Loft Conversion, Streatham

Do you offer loft conversion services in Streatham?

Yes, we provide expert loft conversion near me services throughout Streatham, specializing in a variety of conversion types.

What types of loft extensions can you do in Streatham?

In Streatham, we handle several types of loft extensions, including dormer and mansard conversion, tailored to enhance your living space.

How do I get started with a loft conversion in Streatham?

Just give us a call or send us an email, and we’ll schedule a consultation in Streatham to discuss your project and assess your loft space.

Are all Streatham homes suitable for loft conversion?

Most homes are eligible, but we provide a free preliminary assessment to confirm if your Streatham property can accommodate a loft conversion.

What is the cost of a loft conversion in Streatham?

Costs vary depending on the project scope and your specific requirements. Contact us for a customized quote for your Streatham home.

How long does a loft conversion take in Streatham?

The timeline for a loft conversion in Streatham generally ranges from 6 to 12 weeks, based on the complexity of the project.

Do I need planning permission for a loft conversion in Streatham?

We’ll help you determine if planning permission is required for your Streatham loft conversion and guide you through the application process if necessary.

How much value does a loft conversion add to a home in Streatham?

A loft conversion can significantly increase the market value and functionality of your home in Streatham.

Check Some Of Our Previous Works