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Basement / Cellar Conversions in Buckinghamshire (62)
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BuilderBasement / Cellar ConversionsGarden StudiosConcretingConcrete GaragesLatest verified customer review
10.0
“Spartak and his team do an amazing job retiling our front entrance hall and re-doing our hall bathroom. This included building a pocket door in a tricky layout and replumbing the sink for a new vanity. They also painted everything and were very tidy and meticulous. I couldn’t be more delighted with how it turned out!!! Highly highly recommend. They are very responsive, responsibly and creative to find solutions to meet your vision!”
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Top rated Basement / Cellar Conversions in Buckinghamshire
10
/10
91 ratings
Our Basement / Cellar Conversions in Buckinghamshire are rated an average of 10 out of 10 based on a sample of 91 reviews from customers like you*
*This review aggregate is based on real customer reviews from a randomly selected postcode in this area
Find Companies for Basement and Cellar Conversions in Buckinghamshire
Dreaming of converting your cellar or basement into a home office, cinema room, or guest bedroom, but unsure about who to hire and how much it will cost?
Checkatrade can help.
Keep reading for everything you need to know about basement and cellar conversions in Buckinghamshire and how to hire a checked and reviewed tradesperson for the job.
Want to jump straight into it? Try our quick request a quote feature and we’ll put you in touch with experienced basement conversion companies covering your local area.
Average cellar conversion costs in Buckinghamshire
Expect to pay between £8731 and £23251 , with an average cost of £14323.
Looking for basement excavation prices? Our cost guide to building a basement has all the details.
Top tip: You can also try out our job estimate calculator to get a steer idea on costs for your project.
Do I need planning permission to convert a cellar?
Most cellar conversions don’t need planning permission if you’re converting an existing space.
However, if you’re excavating deeper, changing the external appearance, or creating a new entrance, you’ll likely need permission and Building Regulations approval.
Contact your local authorities as a first port of call.
Is a cellar conversion worth it?
Yes – converting a cellar can add valuable living space and increase the property value. It’s also a great option for homeowners in areas where extending upward or outward isn’t possible.
Are basements legal in the UK?
Basements and cellars are legal in the UK, but the work must comply with UK Building Regulations.
This ensures the conversion meets industry-standard requirements for damp proofing, ventilation, fire safety, and structural safety.
Can you convert a cellar into a bedroom?
Yes - with the right planning and building work, you can convert a cellar into a bedroom, guest suite, or even a self-contained studio.
To meet building regulations, your cellar bedroom will need:
- Proper ventilation and insulation
- A safe fire escape route
- Adequate ceiling height and natural light
- In some cases, planning permission
These checks aren’t just for comfort - they’re essential if you ever decide to sell your home. A compliant conversion can add value and avoid issues during surveys or legal checks.
Why use Checkatrade?
- Fully checked contractors covering your local area
- Insurance always listed
- Easy to compare multiple profiles
- Handy reviews from local customers
- Covered by the Checkatrade Guarantee (T&Cs apply)
Looking for more tradespeople in Buckinghamshire?
Find Checkatrade reviewed Tradespeople, get a quote today, discover related services in Buckinghamshire and check out our latest home improvement guides.
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