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Loft Conversion Cost Guide For 2020

March 19 2020
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Contents

# Loft Conversion 

Loft conversions are becoming very popular in the UK as we want more space in our home. One of the main reasons why loft conversions are popular is that if you decide to move, a loft conversion can increase your property value by 15-20%. The cost of loft conversion is cheaper than an extension on the ground floor. And depending on your roof space it could be built within a minimum of 2 weeks without disrupting the house too much.

Deciding to get a loft conversion the main subject will be budget. how much do you need to pay for the loft conversion? Many things come into to play with the decision of the price of the overall project, such as;

  • How much space do you have?
  • What type of property do you have? Detached/semi-detached, terrace?
  • What type of loft conversion do you want?
  • How will you use the loft? Storage, bedroom, en suite?
  • Labour?

These are just some of the questions you should have answers to, as this will help with the surveyor or architecture that you talk to about your loft conversion project. Prices might be dissimilar depending on where your property is in the UK, as in London your loft conversion is likely to cost slightly more due to the increasing labor and materials prices in the city.

# Types of Loft Conversions Cost

Basic Storage £1,000+
This is by adding a hatch to the loft space, pull down ladder, and a basic floor. This could cost as little as £1,000 and be done in under a week.
.

Skylight Conversion £15,000 – £25,000

£1,050 to £1,250 per square metre plus VAT
Building stairs and roof lights with no external projections from the existing roof shape could create a simple habitable space. This could only be done if there is enough headroom (2.2 metres) if not then you will need to do a dormer.

  • Loft stairs (manufacture and fitted) £500 – £800 for a traditional straight flight, or spiral £1,000 – £2,000
  • Roof Lights (supplied and fitted) £500 – £750
  • Dormer window (built and glazed) £4,000, – £6,000

Dormer Conversion £25,000 – £35,000

£1,150 to £1,350 per square metre plus VAT
A dormer is a box-like shape that could either be just a shape of a window or the full length of the roof space protrudes out of the roof.

 

Hip to Gable Conversion £30,000 – £35,000

Detached or semi-detached or end of terrace houses sometimes have a sloping roof on the side, this is called a hipped roof. By removing the sloping roof and a put in a vertical wall, which is called a gable, at the end of the same height as the ridge and filling space in between is called a hip to gable extension.

  • Loft stairs (manufacture and fitted) £500 – £800 for a traditional straight flight, or spiral £1,000 – £2,000
  • Roof Lights (supplied and fitted) £500 – £750
  • Dormer window (built and glazed) £4,000, – £6,000

Mansard Roof Extension £45,000+

£1,250 to £1,450 per square meter plus VAT
A mansard roof extension does because there isn’t enough headroom this is usually done in a terrace house. You would begin by raising the sidewalls and creating a new steep roof to the front and rear.

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# What Is Included In The Figures Above?

  • Fees- Architecture, structural engineer, planning permissions, building control, etc. As required
  • Scaffold hire.
  • Timber.
  • Steel joist.
  • Plasterboarding, skirting, etc.
  • Dormer construction.
  • Felted flat roof.
  • Leadwork and lead.
  • Staircase.
  • Fire doors to lower elevations (legal requirement).
  • UPVC double glazed windows on the dormer.
  • Electrics including smoke alarms, lightings, sockets, and a power shower.
  • Plumbing – bathroom, hot, cold water, and waste.
  • Heating – extra radiators.
  • Insulation to the walls and roof as required by regulations.
  • Floor tiling and or carpets.
  • Painting and decoration.
  • Skip Hire.
  • VAT.
  • Labour included.

You can arrange a personalized quote for your Loft conversion today by just sending us an email at info@kpcl.onlinearchitecturalservices.com or calling us on 020 7536 5536 or 07715527 411. We are happy with any quires you have about your loft conversion.

(Our Next Post: Essential Guide To Loft Conversions)

By Valerija Kamolina-Corfield Ba(hons) Architecture

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