Basement / Cellar Conversions in Fareham (50)

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  • S W E GROUNDWORKS Logo

    S W E GROUNDWORKS

    9.64

    (40 reviews)

    Operates in Fareham

    Services & skills
    Builder
    Basement / Cellar Conversions
    Garden Studios
    Refurbishments
    Period Property Restoration
    Call
  • Coastal renovation group Logo

    Coastal renovation group

    9.77

    (22 reviews)

    Operates in Fareham

    Services & skills
    Builder
    Basement / Cellar Conversions
    General Building
    Car Ports
    Concreting
    Call
  • Locks Heath Builders Ltd Logo

    Locks Heath Builders Ltd

    10.00

    (87 reviews)

    Operates in Fareham

    Services & skills
    Builder
    Basement / Cellar Conversions
    Brick / Concrete Structural Repairs
    Fire and Flood Renovation
    Car Ports
    Call
  • Perdue Property Services Limited Logo

    Perdue Property Services Limited

    10.00

    (19 reviews)

    Operates in Fareham

    Services & skills
    Builder
    Basement / Cellar Conversions
    Workshop Design / Construction
    Cladding
    Suspended Ceilings
    Call
  • D&M Property Maintenance

    10.00

    (202 reviews)

    Operates in Fareham

    Services & skills
    Builder
    Basement / Cellar Conversions
    Loft Conversions
    Emergency Builder Service
    Fire and Flood Renovation
    Call
  • Hughes Home Developments Logo

    Hughes Home Developments

    10.00

    (28 reviews)

    Operates in Fareham

    Services & skills
    Builder
    Basement / Cellar Conversions
    General Building
    New Builds
    Car Ports
    Call
  • W Grout Brickwork Logo

    W Grout Brickwork

    9.83

    (71 reviews)

    Operates in Fareham

    Services & skills
    Builder
    Basement / Cellar Conversions
    Garden Studios
    Demolition
    Brick / Concrete Structural Repairs
    Call
  • CDW Building Services Ltd Logo

    CDW Building Services Ltd

    10.00

    (171 reviews)

    Operates in Fareham

    Services & skills
    Builder
    Basement / Cellar Conversions
    Garden Studios
    Brick / Concrete Structural Repairs
    Repair and Listed Building Specialist
    Call
  • R Squibb Building Contractors LTD Logo

    R Squibb Building Contractors LTD

    9.98

    (193 reviews)

    Operates in Fareham

    Services & skills
    Builder
    Basement / Cellar Conversions
    Steel Fabrication
    Cladding
    Property Maintenance / Repair
    Call
  • City Damp Solutions Ltd Logo

    City Damp Solutions Ltd

    9.95

    (516 reviews)

    Operates in Fareham

    Services & skills
    Builder
    Basement / Cellar Conversions
    Partition Walls
    Wall Tie Replacements
    Garage Conversions
    Call
  • Moore Crest Builders Logo

    Moore Crest Builders

    9.92

    (91 reviews)

    Operates in Fareham

    Services & skills
    Builder
    Basement / Cellar Conversions
    Property Maintenance / Repair
    Refurbishments
    Loft Conversions
    Call
  • WSDL Home Improvements Logo

    WSDL Home Improvements

    10.00

    (50 reviews)

    Operates in Fareham

    Services & skills
    Builder
    Basement / Cellar Conversions
    Stretched Ceilings
    Property Maintenance / Repair
    Car Ports
    Call

Top rated Basement / Cellar Conversions in Fareham

10

/10

181 ratings

Our Basement / Cellar Conversions in Fareham are rated an average of 10 out of 10 based on a sample of 181 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 Fareham

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 Fareham 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 Fareham

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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