Basement / Cellar Conversions in Dorking (69)

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  • WILIS HOMES LTD Logo

    WILIS HOMES LTD

    8.63

    (104 reviews)

    Operates in Dorking

    Services & skills
    Builder
    Basement / Cellar Conversions
    Wall Tie Replacements
    Equestrian Stable
    Agricultural Building
    Call
  • Guildford & Godalming construction ltd Logo

    Guildford & Godalming construction ltd

    10.00

    (9 reviews)

    Operates in Dorking

    Services & skills
    Builder
    Basement / Cellar Conversions
    Suspended Ceilings
    General Building
    Wall Tie Replacements
    Call
  • George Homes Logo

    George Homes

    9.41

    (24 reviews)

    Operates in Dorking

    Services & skills
    Builder
    Basement / Cellar Conversions
    Wall Tie Replacements
    Brick / Concrete Structural Repairs
    Car Ports
    Call
  • Lekaj Property Services LTD Logo

    Lekaj Property Services LTD

    10.00

    (149 reviews)

    Operates in Dorking

    Services & skills
    Builder
    Basement / Cellar Conversions
    Garage Conversions
    Extensions / Conversions
    Loft Conversions
    Call
  • Halsey Construction Ltd Logo

    Halsey Construction Ltd

    10.00

    (73 reviews)

    Operates in Dorking

    Services & skills
    Builder
    Basement / Cellar Conversions
    Suspended Ceilings
    Concreting
    Demolition
    Call
  • Hennessy Ltd Logo

    Hennessy Ltd

    10.00

    (50 reviews)

    Operates in Dorking

    Services & skills
    Builder
    Basement / Cellar Conversions
    Property Maintenance / Repair
    Extensions / Conversions
    Suspended Ceilings
    Call
  • Daniel Ridge Construction

    10.00

    (211 reviews)

    Operates in Dorking

    Services & skills
    Builder
    Basement / Cellar Conversions
    Agricultural Building
    Suspended Ceilings
    Foundations
    Call
  • JDV Property Services LTD Logo

    JDV Property Services LTD

    10.00

    (65 reviews)

    Operates in Dorking

    Services & skills
    Builder
    Basement / Cellar Conversions
    Sustainable Construction
    Cladding
    Loft Conversions
    Call
  • PANDA Landscapes & Builds Logo

    PANDA Landscapes & Builds

    9.76

    (60 reviews)

    Operates in Dorking

    Services & skills
    Builder
    Basement / Cellar Conversions
    Equestrian Stable
    General Building
    Garage Conversions
    Call
  • Handy Warhol Ltd Logo

    Handy Warhol Ltd

    10.00

    (135 reviews)

    Operates in Dorking

    Services & skills
    Builder
    Basement / Cellar Conversions
    Car Ports
    Sustainable Construction
    Concrete Garages
    Call
  • Pegasus Developments & Refurbishments Ltd Logo

    Pegasus Developments & Refurbishments Ltd

    10.00

    (1 review)

    Operates in Dorking

    Services & skills
    Builder
    Basement / Cellar Conversions
    Project Management
    Sustainable Construction
    Repair and Listed Building Specialist
    Call
  • BURDEN DEVELOPMENTS LIMITED Logo

    BURDEN DEVELOPMENTS LIMITED

    10.00

    (1 review)

    Operates in Dorking

    Services & skills
    Builder
    Basement / Cellar Conversions
    Extensions / Conversions
    Structural Steels
    Garden Studios
    Call

Top rated Basement / Cellar Conversions in Dorking

10

/10

85 ratings

Our Basement / Cellar Conversions in Dorking are rated an average of 10 out of 10 based on a sample of 85 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 Dorking

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 Dorking 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 Dorking

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?

  • 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)

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