Add extra space to your SL9 home from £41,840

Dormer loft conversions are ideal if you want to add lots of extra space to your home. Adding a box-like structure or structures to the roof, you essentially extend the roofline to add significant square footage to your loft space. This makes dormer loft conversions one of the most popular loft conversion types, as they're ideal for adding a new main bedroom with en-suite or even a self-contained living space.

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Cost of dormer loft conversions in SL9

Dormer loft conversions are ideal if you want to add lots of extra space to your home. Adding a box-like structure or structures to the roof, you essentially extend the roofline to add significant square footage to your loft space. This makes dormer loft conversions one of the most popular loft conversion types, as they're ideal for adding a new main bedroom with en-suite or even a self-contained living space.

In SL9, prices for dormer loft conversions range from £41,840 (Swan Windows & Son Limited based in WD3) to £42,400 (KATELL PROPERTY MAINTENANCE based in WD3), 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 SL9. Post your job on HaMuch now and we'll put you in touch with available extension builders.

Estimates for build a dormer loft conversion near SL9

Estimates for common extension builder jobs in SL9;

JobEstimate
Cost to underpin a house£17,434
Build a two storey extension£87,901
Cost to build a timber frame extension£25,934
Cost to build a swimming pool£80,934
Cost to build a single storey extension£53,675
Cost to build a side return extension£40,755
Cost to Install an RSJ£2,134
Build an outbuilding£9,934
Cost to build a mansard loft conversion£51,934
Cost of a loft conversion£33,129
Cost to build a kitchen extension£41,934
Build a hip to gable loft conversion£41,934
Build a granny annexe£86,934
Build a garden office£9,934
Cost of a garage conversion£15,934
Build a new garage£18,434
Cost to build a flat roof extension£21,934
Cost to build a dormer loft conversion£41,934
Lay a concrete foundation£6,184
Cost of a bungalow loft conversion£28,934
Basement conversion cost£36,755
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Rates for other SL9 trades

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Build a dormer loft conversion cost in SL9
Estimate Build a dormer loft conversion cost in SL9 based on hourly/daily rate (excluding VAT or callout charges)
Business name Build a dormer loft conversion cost
CONSIDERATE BUILDING LIMITED, Gerrards Cross, SL9 £41,896
6:59 Ltd, Gerrards Cross, Buckinghamshire, SL9 £41,872
KPC BUILDING SERVICES LTD, Gerrards Cross, SL9 £41,872
Velonia Interiors Ltd, Buckinghamshire, SL9 £41,888
P & S Contractors, Buckinghamshire, SL9 £41,952
J MCNAMEE J & J BUILDERS, Chalfont St Giles, HP8 £41,896
T Sian T/A Design & Build Solu, Slough, SL3 £42,240
Be Illuminated, Buckinghamshire, HP9 £41,984
Ohanaa Ltd, Slough, SL2 £41,896
Ohanaa Bathrooms, Buckinghamshire, SL2 £41,952
Total Services, 26 Truesdale Drive, Harefield, Uxbridge,, UB9 £41,856
Asset Lofts, 30 High Street, Harefield, Middlesex, UB9 £41,848
HAMPTON CONSTRUCTION LTD, Farham Common, SL2 £41,880
VLM CONSTRUCTION LTD, Farham Common, SL2 £41,872
Kebbell Development Limited, Beaconsfield, Buckinghamshire, HP9 £41,864
JAYEM BUILDING SERVICES LTD, Beaconsfield, HP9 £41,904
Worktop Manny, Cambridgeshire, sl2 £41,960
KATELL PROPERTY MAINTENANCE, Rickmansworth, WD3 £42,400
Saltbox Design and Build, Hertfordshire, WD3 £41,976
TB Projects, Beaconsfield, Buckinghamshire, HP9 £41,864
Sheppard Construction Ltd, Denham, UB9 £41,896
ROBINSON AND EDGSON BUILDERS, Iver, SL0 £41,888
Sokhi Construction (UK) Ltd, Hillingdon, UB10 £41,896
CC Builders UK Development, Middlesex, UB8 £41,952
Swan Windows & Son Limited, 88a High St, Rickmansworth, Hertfordshir, WD3 £41,840

Get extension builder rates instantly

Get extension builder rates instantly (excluding VAT or callout charges)
Location in UKHourly RateDaily Rate
Build A Dormer Loft Conversion near Gerrards Cross£37£244
Build A Dormer Loft Conversion near Rickmansworth£37£241
Build A Dormer Loft Conversion near Hillingdon£56£240
Build A Dormer Loft Conversion near Slough£36£238
Build A Dormer Loft Conversion near Watford£37£239
Build A Dormer Loft Conversion near Hazlemere£34£235
Build A Dormer Loft Conversion near Chesham£36£237
Build A Dormer Loft Conversion near Windsor & Maidenhead£36£238
Build A Dormer Loft Conversion near Windsor£36£238
Build A Dormer Loft Conversion near Maidenhead£36£236