Basement / Cellar Conversions in Findon (50)

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  • IMPERA Construction & Renovation Logo

    IMPERA Construction & Renovation

    10.00

    (25 reviews)

    Operates in Findon

    Services & skills
    Builder
    Basement / Cellar Conversions
    Cladding
    Suspended Ceilings
    Loft Conversions
    Call
  • Create Brighton Limited Logo

    Create Brighton Limited

    10.00

    (9 reviews)

    Operates in Findon

    Services & skills
    Builder
    Basement / Cellar Conversions
    Workshop Design / Construction
    Cladding
    Concrete Garages
    Call
  • Lowe Contractors Logo

    Lowe Contractors

    10.00

    (36 reviews)

    Operates in Findon

    Services & skills
    Builder
    Basement / Cellar Conversions
    Sustainable Construction
    Loft Conversions
    Project Management
    Call
  • GARTH CONSTRUCTION LTD Logo

    GARTH CONSTRUCTION LTD

    10.00

    (5 reviews)

    Operates in Findon

    Services & skills
    Builder
    Basement / Cellar Conversions
    General Building
    Partition Walls
    Garage Conversions
    Call
  • TRG Property Care Logo

    TRG Property Care

    9.58

    (171 reviews)

    Operates in Findon

    Services & skills
    Builder
    Basement / Cellar Conversions
    Structural Design
    Cladding
    Property Maintenance / Repair
    Call
  • Complete Carpentry and Maintenance Ltd Logo

    Complete Carpentry and Maintenance Ltd

    9.72

    (162 reviews)

    Operates in Findon

    Services & skills
    Builder
    Basement / Cellar Conversions
    Fire and Flood Renovation
    Diamond Drilling
    Emergency Builder Service
    Call
  • Mycor Property Developments Ltd Logo

    Mycor Property Developments Ltd

    10.00

    (2 reviews)

    Operates in Findon

    Services & skills
    Builder
    Basement / Cellar Conversions
    General Building
    Emergency Builder Service
    Refurbishments
    Call
  • The Meredith Group Logo

    The Meredith Group

    10.00

    (151 reviews)

    Operates in Findon

    Services & skills
    Builder
    Basement / Cellar Conversions
    Suspended Ceilings
    Brick / Concrete Structural Repairs
    Period Property Restoration
    Call
  • Chris Fingas General Building Services  Ltd Logo

    Chris Fingas General Building Services Ltd

    9.89

    (6 reviews)

    Operates in Findon

    Services & skills
    Builder
    Basement / Cellar Conversions
    Refurbishments
    Demolition
    Loft Conversions
    Call
  • CPS Decorating and Building Services Ltd Logo

    CPS Decorating and Building Services Ltd

    10.00

    (69 reviews)

    Operates in Findon

    Services & skills
    Builder
    Basement / Cellar Conversions
    Property Maintenance / Repair
    Garden Studios
    Workshop Design / Construction
    Call
  • Rockshore Building Group Ltd Logo

    Rockshore Building Group Ltd

    10.00

    (5 reviews)

    Operates in Findon

    Services & skills
    Builder
    Basement / Cellar Conversions
    Garage Conversions
    General Building
    Emergency Builder Service
    Call
  • Tyler's Workshop Ltd Logo

    Tyler's Workshop Ltd

    9.83

    (305 reviews)

    Operates in Findon

    Services & skills
    Builder
    Basement / Cellar Conversions
    General Building
    Fire and Flood Renovation
    Sustainable Construction
    Call

Top rated Basement / Cellar Conversions in Findon

10

/10

127 ratings

Our Basement / Cellar Conversions in Findon are rated an average of 10 out of 10 based on a sample of 127 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 Findon

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 Findon 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 Findon

Expect to pay between £6690 and £24932 , with an average cost of £13309.

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.

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?

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