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Basement Conversion Specialists: Downshire Hill

The trusted building team for Hampstead. Your property renovation company in Hampstead, just 0.9 miles away.

Only 0.9 miles from Downshire Hill

Explore basement potential Call 07459 345456

4.9

Google Rating

14+

Years Experience

2hr

Response Time

🏠

Premium Property Image

Free Quote

No obligation assessment for your project

Why Choose Us for Basement Conversion?

Looking for reliable basement conversion near Downshire Hill? Unlock hidden space beneath your home with a professionally converted basement. As the premier refurbishment company in Hampstead, we understand the unique needs of properties in NW3.

No garden space lost

Adds significant value

Creates flexible space

Often no planning needed

Premium waterproofing

10 year guarantee

Startingfrom £50,000 for basement conversion

How It Works

Get in Touch

Call us or request a quote online. We'll discuss your basement conversion needs.

Free Assessment

We'll survey your Downshire Hill property and provide a detailed, no-obligation quote.

Expert Work

Our certified team completes the work to the highest standards.

Quality Guarantee

10 year waterproofing guarantee. Your satisfaction is guaranteed.

Downshire Hill

Hampstead, NW3

Local to Downshire Hill

We're based at Unit 3, Palace Court, 250 Finchley Road, just 0.9 miles from Downshire Hill. That means no long waits – we can be with you quickly when you need us.

0.9

Miles away

~15

Min drive

2hr

Response

About Downshire Hill

Area: Hampstead, Camden

📮Postcode: NW3

🏛️Nearby: Keats House, Hampstead Heath

🚇Transport: Hampstead Heath Overground

Get Directions from Our Office

Why Choose Us?

We're committed to delivering exceptional service with complete peace of mind.

Only 0.9 miles away

We're local to Downshire Hill

Basement Waterproofing Association

Industry accredited

10 year waterproofing guarantee

Work guaranteed

Fully Insured

£5m public liability

Basement Conversion Reviews in Hampstead

See what our Hampstead customers say about our basement conversion services.

"Used HAMPSTEAD RENOVATIONS for basement conversion and couldn't be happier. They arrived on time, explained everything clearly, and the price was fair. Will definitely use again."

Emma P.

Hampstead • June 2025

Basement Conversion

"Fast response to our basement conversion emergency. The engineer was knowledgeable and fixed the problem quickly. Great to have a reliable local company in NW3."

Thomas B.

Hampstead • April 2025

Basement Conversion

"Professional service from start to finish. The basement conversion work on our regency villa was completed beautifully. The team took real pride in their work."

Charlotte T.

Hampstead • October 2025

Basement Conversion

4.9

Average rating from 200+ Google reviewsView all →

Basement Conversion FAQs for Downshire Hill

Common questions about basement conversion in Hampstead.

Simple conversions of existing cellars often don't need planning. New excavations typically require permission and structural approval.

Popular uses include home offices, gyms, cinemas, playrooms, guest suites, and wine cellars. Building regs apply for habitable rooms.

We use cavity drain membrane systems with sump pumps, providing guaranteed waterproofing that manages any water ingress.

Yes, Downshire Hill is in our core service area. We're based at Unit 3, Palace Court, 250 Finchley Road, just 0.9 miles away, so we can respond quickly to calls in NW3.

From our base at Unit 3, Palace Court, 250 Finchley Road, we can typically reach Downshire Hill within 30-45 minutes in normal traffic. For emergencies, we aim for a 2-hour response.

Still have questions? We're here to help.