Basement / Cellar Conversions in Diss (19)

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  • Johnson & sons building and roofing services Logo

    Johnson & sons building and roofing services

    9.93

    (10 reviews)

    Operates in Diss

    Services & skills
    Builder
    Basement / Cellar Conversions
    Garage Conversions
    Warehouse Racking
    Extensions / Conversions
  • Saint Property Improvements Logo

    Saint Property Improvements

    9.80

    (44 reviews)

    Operates in Diss

    Services & skills
    Builder
    Basement / Cellar Conversions
    Green Oak Framing
    Fire and Flood Renovation
    Repair and Listed Building Specialist
    Call
  • Evansbuild Limited Logo

    Evansbuild Limited

    9.70

    (9 reviews)

    Operates in Diss

    Services & skills
    Builder
    Basement / Cellar Conversions
    Concreting
    Emergency Builder Service
    Loft Conversions
    Call
  • RHR Building Services Limited Logo

    RHR Building Services Limited

    9.87

    (78 reviews)

    Operates in Diss

    Services & skills
    Builder
    Basement / Cellar Conversions
    Diamond Drilling
    Extensions / Conversions
    Concrete Garages
    Call
  • Chalcraft Building Services Ltd Logo

    Chalcraft Building Services Ltd

    9.95

    (137 reviews)

    Operates in Diss

    Services & skills
    Builder
    Basement / Cellar Conversions
    Extensions / Conversions
    Steel Fabrication
    Car Ports
    Call
  • Lumbard Building Services Logo

    Lumbard Building Services

    9.80

    (25 reviews)

    Operates in Diss

    Services & skills
    Builder
    Basement / Cellar Conversions
    Fire and Flood Renovation
    General Building
    Demolition
    Call
  • Handyrat Logo

    Handyrat

    10.00

    (51 reviews)

    Operates in Diss

    Services & skills
    Builder
    Basement / Cellar Conversions
    Garage Conversions
    Foundations
    General Building
    Call
  • MWD Construction Ltd Logo

    MWD Construction Ltd

    10.00

    (21 reviews)

    Operates in Diss

    Services & skills
    Builder
    Basement / Cellar Conversions
    Cladding
    Wall Tie Replacements
    Emergency Builder Service
    Call
  • Breckland Building Services Logo

    Breckland Building Services

    Be the first to review

    Operates in Diss

    Services & skills
    Builder
    Basement / Cellar Conversions
    Demolition
    Loft Conversions
    Repair and Listed Building Specialist
    Call
  • ARA Carpentry & Building Logo

    ARA Carpentry & Building

    8.54

    (93 reviews)

    Operates in Diss

    Services & skills
    Builder
    Basement / Cellar Conversions
    Period Property Restoration
    Brick / Concrete Structural Repairs
    Garage Conversions
    Call
  • Haynes builders Norfolk ltd Logo

    Haynes builders Norfolk ltd

    10.00

    (4 reviews)

    Operates in Diss

    Services & skills
    Builder
    Basement / Cellar Conversions
    Green Oak Framing
    Car Ports
    Partition Walls
    Call
  • E.Korra Construction Logo

    E.Korra Construction

    10.00

    (4 reviews)

    Operates in Diss

    Services & skills
    Builder
    Basement / Cellar Conversions
    Foundations
    Refurbishments
    Demolition
    Call

Top rated Basement / Cellar Conversions in Diss

10

/10

89 ratings

Our Basement / Cellar Conversions in Diss are rated an average of 10 out of 10 based on a sample of 89 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 Diss

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 Diss 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 Diss

Expect to pay between £8762 and £23145 , with an average cost of £14375.

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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