Veluix Loft conversion - view from inside room

Loft Conversion Costs – Transparent Pricing for Your Dream Space

The cost of a loft conversion in Hertfordshire and North London can vary significantly depending on factors such as your location, the type of loft conversion, the complexity of the design, and planning permission requirements.

Additional services, such as electrical work and bespoke finishes, can also influence the all-inclusive price of an end-to-end loft conversion project with Apex Loft Conversions.

Here’s an overview of approximate costs for loft conversions with Apex Loft Conversions:

(Please note: these costs are intended as a guide and are not a formal quotation. We offer FREE surveys to assess your space and requirements, after which we provide a quotation.)

You can request your free survey here.

Velux Loft Conversions - Approximately £45,000 - £55,000

Velux loft conversions are one of the simplest and most straightforward types of loft conversions we offer. They don’t require altering the existing roof structure, which makes them one of the more cost-effective options.

As the name suggests, Velux conversions use Velux roof windows to bring in natural light, creating bright, functional spaces while keeping planning simpler.

Features included: Velux windows, insulation, flooring, staircase, basic electrical and lighting, plastered walls, and more.

Dormer Loft Conversions - Approximately £50,000 - £60,000

Dormer loft conversions maximise headroom and create significantly more usable space by adding a dormer window. This involves structural work, which is reflected in the approximate pricing. Dormer conversions are ideal if you want to transform an underused loft into an extra bedroom, bathroom, or multi-functional living space.

Features Included: Dormer structure, insulation, flooring, staircase, windows, basic electrical, plastering, and more.

Hip-to-Gable Loft Conversions - Approximately £55,000 - £65,000

Hip-to-gable loft conversions are the most complex type, involving the transformation of a hipped roof into a gable. This creates significantly more space, making it ideal for larger bedrooms or open-plan loft areas.

This type of conversion is particularly popular for semi-detached homes, where a sloped roof can otherwise limit the potential for usable living space.

Features Included: Roof extension, insulation, flooring, staircase, windows, electrical work, plastering, and more.

What's Included In Our Quote?

Apex Loft Conversions provides end-to-end project management, delivering all-inclusive quotations after a detailed, free survey at your home.

When you work with us, every step is handled by our experienced team. While we may occasionally use specialist subcontractors for certain aspects of design or construction, everything is carefully managed under one roof!

Here’s what’s included in your quote:

Architect design
Planning permission & building regulations
Structural work
Electrical & heating adjustments
Finishing touches (flooring, plastering, etc.)

Factors That Affect Loft Conversion Costs

Several factors influence the cost of a loft conversion and your final quotation.

Understanding these can help you plan your budget more effectively.

All quotations from our team are bespoke and tailored to your home, typically falling within the ranges outlined above.

Key factors that influence costs include:

Type Of Loft Conversion: The type of conversion has a significant impact on overall costs. For example, a simple Velux loft conversion is typically £10,000–£20,000 less than a Hip-to-Gable conversion, as it does not require altering the roof structure.
Loft Size and Layout: Larger lofts or more complex layouts naturally require more materials, labour, and time, which is reflected in the final quotation provided by our team at Apex Loft Conversions.
Structural Changes: Conversions such as Dormer or Hip-to-Gable often involve substantial structural modifications, including removing walls or strengthening floors. The more complex the changes, the higher the overall cost.
Roof Type and Height: The existing roof design, whether pitched, hipped, or flat, determines the type of conversion possible and whether structural modifications are required. Taller lofts or more complex roof structures may incur additional work.
Materials and Finishes: Choosing high-end materials or bespoke features will affect the final price. Flooring, plastering, fixtures, and other finishes are all factored into your quotation.
Heating and Electrical Work: Adding a bathroom, connecting central heating, or installing extra lighting and electrical outlets can increase costs. In some cases, upgrading your hot water system or boiler may also be necessary.

Arrange Your FREE Survey Today

Apex Loft Conversions is proud to be a five-star rated loft company, covering Hertfordshire and North London, with 50+ excellent reviews on Google and other major platforms.

Request your free survey today by calling 07468 415 806 or using our online contact form.

Please note: the approximate costs provided are a guide and not an exact quotation. We offer FREE surveys to assess your space and requirements before providing a quotation.