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T.I Building is a trusted extension builder serving customers in Hillsborough and the surrounding area. Contact us to today to get a competitive qu...
Need to find an Extension Builder near you for all your extension buildering work?
Mount Oriel Conversions & Extensions provides a local, t...
From £41,384
Relax... you have found a reliable extension builder in Hillsborough. Finch Construction NI is a friendly and reliable company based in Hillsboroug...

In Hillsborough, prices for dormer loft conversions range from £41,136 (Mount Oriel Conversions & Extensions based in BT8) to £41,400 (T.I Building based in BT28), but how much your conversion costs will vary depending on the size of your property, how easy access to your roof is and what you want to use the space for.
The best way to get an accurate price is to compare quotes from extension builders in Hillsborough. Post your job on HaMuch now and we'll put you in touch with available extension builders.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Dormer Loft Conversion near Hillsborough and Culcavy | £25 | £170 |
| Build A Dormer Loft Conversion near Lisburn | £24 | £164 |
| Build A Dormer Loft Conversion near Maghaberry | £31 | £205 |
| Build A Dormer Loft Conversion near Ballynahinch | £19 | £189 |
| Build A Dormer Loft Conversion near Carryduff | £23 | £158 |
| Build A Dormer Loft Conversion near Saintfield | £23 | £162 |
| Build A Dormer Loft Conversion near Waringstown | £23 | £167 |
| Build A Dormer Loft Conversion near Banbridge | £29 | £205 |
| Build A Dormer Loft Conversion near Belfast | £23 | £161 |
| Build A Dormer Loft Conversion near Crumlin | £26 | £194 |
Whether you’re looking to extend your kitchen with a side return extension or you want to convert your basement into a liveable space, read our cost guides to get an idea of how much each project costs before getting a more accurate quote from our database of reliable tradespeople.

Underpin a building - £16,807

Two storey extension - £86,960

Build a timber frame extension - £25,307

Build a swimming pool - £80,307

Single storey extension - £41,133

Side return extension - £33,700

Install an RSJ - £1,507

Outbuilding - £9,307

Build a Mansard loft conversion - £51,307

Loft conversion - £27,250

Build a kitchen extension - £41,307

Hip to gable loft conversion - £41,307

Granny annexe - £86,307

Garden office - £9,307

Convert a Garage - £15,307

Garage - £17,807

Build a flat roof extension - £21,307

Build a dormer loft conversion - £41,307

Concrete foundations - £5,557

Convert a bungalow loft - £28,307

Convert a basement - £29,700