From Basements to Roof Terraces: Adding Value to London’s Super Prime Properties, Nick Jeffries.
- Nick Jeffries
- Jul 26
- 2 min read
In London’s prime postcodes, space is a luxury. Homeowners in Mayfair, Knightsbridge, Belgravia and Chelsea are finding innovative ways to enhance both lifestyle and property value. Strategic renovations such as basement construction and roof terrace development are among the most effective ways to unlock hidden potential in super prime homes.

Basement Extensions: The Ultimate Space Creator
In densely built areas, extending downwards offers significant advantages. Basements can be transformed into luxury amenities such as:
Private cinemas with acoustic insulation and bespoke seating
Wellness suites featuring pools, saunas and treatment rooms
Wine cellars and tasting areas with climate control
Secure underground parking for classic and supercars
While basement projects are complex and require experienced contractors, the results can dramatically increase both usable space and property value.
Roof Terraces: Elevating Lifestyle and Views
Where basement extensions go below, roof terraces open up the skyline. A well-designed terrace offers:
Outdoor kitchens and entertaining spaces
Fire pits, ambient lighting and weather-proof furniture
Landscaping that creates a private oasis above the city
Panoramic views, adding a sense of luxury and exclusivity
For period properties, roof terraces require careful planning and expert handling to comply with building regulations and conservation requirements.
The NU Projects Advantage
Both basements and roof terraces in super prime locations involve strict planning rules, technical challenges and high-end finishes. At NU Projects, we specialise in managing these complexities. Our integrated design and build service ensures every stage, from planning consent to final detailing, is executed flawlessly.
Maximising Property Value
When done correctly, these renovations not only improve living experience but also significantly enhance asset value. In prime areas where property prices are measured in thousands per square foot, additional space—whether underground or on the roof—translates directly to higher returns.
If you are considering expanding your property with a basement extension or roof terrace, NU Projects can guide you through the process with precision and expertise.
Contact our team to explore how we can unlock the full potential of your London home.













































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