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Granny Annexe Cost in Mountain Ash

A granny annexe is the ideal solution for offering a young family member their own space in your home while they save up for their own house, or to help an older relative have some independence while keeping them at a safe distance. But how much do they cost to build in Mountain Ash?

Building a granny annexe ranges from £86,368 (Excel Home Design Ltd based in CF39) to £86,568 (MG3Design based in CF82), but these are just estimates that can help give you an idea of who will be better value in your area.

The best thing to do is to get quotes to build a granny annexe in Mountain Ash by posting a job with HaMuch. We will send it to extension builders in Mountain Ash who will be happy to help you.

Estimates for granny annexe near Mountain Ash

Estimates for common extension builder jobs in Mountain Ash;

JobEstimate
Underpinning a house£16,990
Build a two storey extension£87,234
Build a timber frame extension£25,490
Install a swimming pool£80,490
Cost to build a single storey extension£44,792
Cost to build a side return extension£35,758
Install an RSJ£1,690
Build an outbuilding£9,490
Build a mansard loft conversion£51,490
Cost of a loft conversion£28,965
Build a kitchen extension£41,490
Build a hip to gable loft conversion£41,490
Build a granny annexe£86,490
Build a garden office£9,490
Convert a garage£15,490
Build a new garage£17,990
Build a flat roof extension£21,490
Build a dormer loft conversion£41,490
Lay a concrete foundation£5,740
Convert a bungalow loft£28,490
Basement conversion cost£31,758
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Rates for other Mountain Ash trades

Appliance Repair Specialist
Bathroom Fitter
Builder
Carpenter and Joiner
Cleaner
Conservatory Specialist
Door Fitter
Drain Specialist
Driveway Specialist
Electrician
Extension Builder
Fencer
Fire and Security Specialist
Flooring Specialist
Gardener
Handyman
Heating Engineer
Kitchen Fitter
Landscaper
Painter and Decorator
Patio and Path Specialist
Plasterer
Plumber
Removals and Storage
Roofer
Tiler
Window Fitter
Granny annexe cost in Mountain Ash
Estimate Granny annexe cost in Mountain Ash based on hourly/daily rate (excluding VAT or callout charges)
Business name Granny annexe cost
BUILD-TEC CONTRACTORS LTD, Mountain Ash, CF45 £86,472
FORMWORK CONSTRUCTION LTD, Mountain Ash, CF45 £86,456
Barlam Drylining Ltd, Mountain Ash, CF45 £86,496
Professional Concrete Solutions, Treharris, CF46 £86,504
A POWELL CONSTRUCTION LTD, Aberdare, CF44 £86,456
L E JONES BUILDER, Ferndale, CF43 £86,472
Peter Simmon Construction, Cymmer, CF39 £86,456
RJ CONSTRUCTION, Tonypandy, CF40 £86,456
Dare Fitness, Rhondda Cynon Taf, CF44 £86,544
MG3Design, Caerphilly, CF82 £86,568
P ALLEN BUILDERS, Pontypridd, CF37 £86,464
WALTERS BUILDING SERVICES, Tonypandy, CF40 £86,456
G T Brickwork, Hengoed, CF82 £86,512
Atlantic Building Services Ltd, Hengoed, CF82 £86,480
COUNTY BUILDING MAINTENANCE LT, Cymmer, CF39 £86,464
EXTEND & BUILD LTD, Pontypridd, CF37 £86,472
Excel Home Design Ltd, St Georges, Mill Street, Tonyerfail, Rho, CF39 £86,368
Jac Jones Construction Ltd, Monmouthshire, NP12 £86,552
J.S. Builders, Rhondda Cynon Taff, CF39 £86,544
BIs Group, Newport, NP12 £86,552
Myatt Build Civil Engineering, Pontyclun, CF72 £86,464
GOODE BUILDING SERVICES, Caerphilly , CF83 £86,528
Cross Group Building Works Ltd, Cardiff, CF15 £86,568
TRIO BUILDING CONTRACTORS LTD, Pontyclun, CF72 £86,464
WESTGATE BUILDING SERVICES LTD, Pontyclun, CF72 £86,472

Get extension builder rates instantly

Get extension builder rates instantly (excluding VAT or callout charges)
Location in UKHourly RateDaily Rate
Granny Annexe near Rhondda, Cynon, Taff£27£183
Granny Annexe near Rhondda£27£183
Granny Annexe near Pontypridd£29£184
Granny Annexe near Aberdare£28£186
Granny Annexe near Merthyr Tydfil£28£187
Granny Annexe near Church Village£30£188
Granny Annexe near Tredegar£20£200
Granny Annexe near Caerphilly£29£181
Granny Annexe near Ebbw Vale£20£200
Granny Annexe near Risca£27£185