Extensions / Conversions in Cliftonville (43)

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  • Albion Construction Limited Logo

    Albion Construction Limited

    10.00

    (44 reviews)

    Operates in Cliftonville

    Services & skills
    Builder
    Extensions / Conversions
    Brick / Concrete Structural Repairs
    Wall Tie Replacements
    Diamond Drilling
    Call
  • PDC Building & Groundworks Limited Logo

    PDC Building & Groundworks Limited

    8.33

    (59 reviews)

    Operates in Cliftonville

    Services & skills
    Builder
    Extensions / Conversions
    Loft Conversions
    Refurbishments
    New Builds
    Call
  • PJS Building Services Logo

    PJS Building Services

    (47 reviews)

    Operates in Cliftonville

    Services & skills
    Builder
    Extensions / Conversions
    Cladding
    Concrete Garages
    Mastic Sealant
    Call
  • Sponsored
    A Charlton Construction Ltd Logo

    A Charlton Construction Ltd

    9.96

    (33 reviews)

    Operates in Cliftonville

    Services & skills
    Builder
    Extensions / Conversions
    General Building
    Loft Conversions
    Garden Studios

    Latest verified customer review

    10.0

    Alex and his team completed a Loft Conversion on my property.It was undertaken with care and consideration for my home and myself.Excellent work.The Team also undertake smaller jobs replacement of ceiling in my sitting room and repair to decorative architectural features. Highly recommend them for price and work completed.Happy for their clients to inspect the work they have done in my home .

    Call
  • CaSo Building Services

    9.78

    (17 reviews)

    Operates in Cliftonville

    Services & skills
    Builder
    Extensions / Conversions
    Steel Work Design
    Concreting
    Partition Walls
    Call
  • TGC Logo

    TGC

    9.75

    (48 reviews)

    Operates in Cliftonville

    Services & skills
    Builder
    Extensions / Conversions
    Green Oak Framing
    Foundations
    Project Management
    Call
  • KG Property Logo

    KG Property

    10.00

    (5 reviews)

    Operates in Cliftonville

    Services & skills
    Builder
    Extensions / Conversions
    Core Drilling
    Workshop Design / Construction
    Mastic Sealant
    Call
  • Muras Construction Ltd Logo

    Muras Construction Ltd

    10.00

    (12 reviews)

    Operates in Cliftonville

    Services & skills
    Builder
    Extensions / Conversions
    Agricultural Building
    New Builds
    Basement / Cellar Conversions
    Call
  • DC Home Improvements Logo

    DC Home Improvements

    10.00

    (107 reviews)

    Operates in Cliftonville

    Services & skills
    Builder
    Extensions / Conversions
    Garage Conversions
    Sustainable Construction
    Partition Walls
    Call
  • Level up construction ltd Logo

    Level up construction ltd

    10.00

    (16 reviews)

    Operates in Cliftonville

    Services & skills
    Builder
    Extensions / Conversions
    Basement / Cellar Conversions
    Car Ports
    Demolition
    Call
  • Nolan Glass Ltd

    9.80

    (261 reviews)

    Operates in Cliftonville

    Services & skills
    Builder
    Extensions / Conversions
    Basement / Cellar Conversions
    General Building
    Foundations
    Call
  • CJ construction Logo

    CJ construction

    9.78

    (6 reviews)

    Operates in Cliftonville

    Services & skills
    Builder
    Extensions / Conversions
    Partition Walls
    Loft Conversions
    Refurbishments
    Call

Top rated Extensions / Conversions in Cliftonville

10

/10

55 ratings

Our Extensions / Conversions in Cliftonville are rated an average of 10 out of 10 based on a sample of 55 reviews from customers like you*

*This review aggregate is based on real customer reviews from a randomly selected postcode in this area

Conversion and extension builders in Cliftonville

Planning a loft conversion, garage makeover or full house extension in Cliftonville? You’re in the right place. Whether you’re adding space for a growing family, upgrading your layout or increasing your home’s value, we can help you find the right tradesperson for the job.

Find extension and conversion builders in Cliftonville

Every builder on Checkatrade passes up to 12 checks before they appear in your search. You can read verified reviews, compare services, and even post your job to get quotes straight to your inbox, all in a few clicks. That’s how we help homeowners like you get a job done right.

What to expect from hiring an extension or conversion builder in Cliftonville

Our checked tradespeople in Cliftonville cover a wide range of projects, including:

  • Single or double-storey house extensions

  • Kitchen and diner extensions

  • Loft, attic, garage or basement conversions

  • Garden room extensions

  • Utility room extensions

  • Over-garage extensions and side returns

Extension and conversion build costs in Cliftonville

Costs of extensions and conversions vary depending on size, structure and spec, but here's a rough guide:

Extensions:

£36363 on average, with prices typically starting at £21034 up to £60872.

Loft conversions:

£37346 on average, with prices typically starting at £23540 up to £58094.

Garage conversions:

£11075 on average, with prices typically starting at £7322 up to £16880.

Conservatory roof conversions:

£7981 on average, with prices typically starting at £5308 up to £11927.

Need help calculating costs? Use our Job Value Estimator Tool for a bespoke cost estimate.

What to check before you hire:

  • Are drawings or planning permissions needed?
  • Are they familiar with building regs?
  • Is the quote fixed or flexible?
  • Does it cover materials and project management?

Most builders will include prep, construction, electrics, plumbing and final finishes in their quote, but always double-check. Timelines range from a few weeks for simple jobs to several months for bigger builds.

Extension and conversion builders in Cliftonville: Homeowners vs renters

Homeowners:

You’re in charge of the project. That means hiring the builder, securing permissions, and paying for the work. You may need:

  • Planning permission (especially for double-storey builds or changes near boundaries)

  • Drawings from an architect or structural engineer

  • Building regs approval

If you’re not sure where to start, speak to a local builder or post your job to get help with the process.

Renters:

You’ll usually need your landlord’s approval to make any big changes. In most cases, your landlord will be the one arranging and paying for structural changes like loft conversions or extensions. That said, it’s worth flagging ideas if you think they’ll improve the property, especially if it means longer tenancies or fewer repairs.

Emergency extension or conversion help in Cliftonville

Extensions and conversions are big projects, but sometimes, things go wrong and need sorting fast. Common urgent issues include:

  • Leaks in newly converted lofts

  • Structural cracks or shifting

  • Faulty electrics or plumbing in newly added rooms

  • Incomplete work by previous builders

Facing an emergency in Cliftonville? Enter your postcode or post a job to find emergency services in your area.

Find the right extension or conversion specialist in Cliftonville

Looking for a builder to help with:

  • Rear house extensions
  • Kitchen extensions
  • Garage conversions
  • Loft or attic conversions
  • Garden room builds
  • Basement or cellar conversions
  • Conservatory roof upgrades
  • Utility or porch extensions

Start your search now


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