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Granny Annexe Cost in B21

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 B21?

Building a granny annexe ranges from £85960 (FIVE OAKS BUILDING LTD based in DY4) to £87800 (TG Building Services & Son based in B71), 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 B21 by posting a job with HaMuch. We will send it to extension builders in B21 who will be happy to help you.

Estimates for granny annexe near B21
  • How much does a granny annexe cost to build in the UK?
  • What is a granny annexe?
  • How big can a granny annexe be?
  • How to get planning permission for a granny annexe
  • What is the granny annexe tax loophole?
  • Does an annexe increase council tax?
  • Do you need planning permission to convert a garage into a granny flat?
  • Can you claim VAT back on a granny annexe?
  • Can I let out my granny annexe?
  • Does an annexe increase property value?
  • Can a granny annexe be sold separately?
  • Do you have to pay stamp duty on an annexe?

  • Estimates for common extension builder jobs in B21;



    Rates for other B21 trades

    Extension Builders in B21
    Estimate Granny annexe cost in B21 based on hourly/daily rate (excluding VAT or callout charges)
    Business name Granny annexe cost
    Renka, Birmingham, West Midlands, B19 £86536
    Spectrum Homes, Birmingham, West Midlands, B3 £86536
    BORDO Design, Birmingham, West Midlands, B3 £86544
    Mountainview Construction, Neville House, 42-46 Hagley Rd, Birmingham, West Midlands, B16 £86544
    Parkfield Building Services Ltd, unit 6 chancel way, Birmingham, B6 £86536
    Probuild360, 1 Phoenix Park, Avenue Rd, Birmingham, West Midlands, B7 £86536
    TG Building Services & Son, West bromwich, B71 £87800
    BORDO Design, West Midlands, B71 £86632
    Multiservice K Construction Ltd, Birmingham, B17 £86536
    JM Builders, West Midlands, B70 £86632
    x10hosts, Buckinghamshire, b9 £86616
    D&J Advanced Builders, Birmingham, B44 £86528
    Pine Interiors, West Midlands, B69 £86624
    Bestway Building Services Ltd, Oldbury, B69 £86632
    Maya Designs Ltd, West Midlands, B17 £86624
    Davies & Davies Roofline, Tipton, DY4 £86560
    Amos Building Services Ltd, Rowley Regis, B65 £86552
    WM KITCHENS BEDROOMS, West Midlands, DY4 £86632
    Sanwood, sutton coldfield, B73 £86760
    2nd Generation Building Services, Moseley, Birmingham, West Midlands, B13 £86528
    Next Level Renovations, Rowley Regis, B65 £86624
    Dayfos Properties Ltd, Suit B Fairgate House, 205 Kings Road, Birmingham, West Midlands, B11 £86536
    Fletchers Building & Maintenance, Ltd., Birmingham , B11 £86600
    FIVE OAKS BUILDING LTD, Tipton, DY4 £85960
    Low costi builders ltd, Birmingham , B34 £87000