Add extra space to your B11 home from £41,024

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. To see prices and availability for your job click green button.

HaMuch is Excellent

How HaMuch saves you money

Post your job for free

Post your job for free

We send your job to ALL B11 extension builders

Compare quotes

Compare quotes

Available extension builders in B11 reply

Save Money

Save Money

Select your affordable B11 extension builder

Post your job

From £41,824

Last active Oct 26
Get quotes

G Wilson Building & Roofing Services

Gary Wilson

Reliable person 25 years experience 

if you look on a website rated people and have a look at my ratings 

From £41,944

Last active Oct 26
Get quotes

Avonvale Garage Doors

Need to find an Extension Builder near you for all your extension buildering work?

Avonvale Garage Doors provides a local, trusted extensio...

From £41,704

Last active Sep 26
Get quotes

AJ Home Improvements

AJ Home Improvements is an established extension buildering business in B11. We come highly recommended and provide competitive quotes for your wor...

From £41,984

Last active Sep 26
Get quotes

Brickfast Builders

Brickfast Builders is an established extension buildering business in B11. We come highly recommended and provide competitive quotes for your work....

From £41,728

Last active Sep 26
Get quotes

F.I.I Building Services Ltd

Relax... you have found a reliable extension builder in B11. F.I.I Building Services Ltd is a friendly and reliable company based in B11 who consid...

From £41,968

Last active Mar 26
Get quotes

Birch Group

We are a forward thinking, award winning design and build company based in Solihull in the West Midlands. We strive to deliver the best experience ...

From £41,920

Last active Nov 25
Get quotes

x10hosts

Experienced extension builder ready to quote for your work. x10hosts is the best extension builder in B11. No obligation free quotes and many happy...

From £41,696

Get quotes

BellTrim Wood Products

Need an Extension Builder in B11? BellTrim Wood Products has been helping local clients (20 mile radius) with their extension buildering jobs for m...

From £41,432

Get quotes

A45 Fencing & Landscapes

Peter Smith

Reliable and trustworthy 

Also on checkatrafe

From £41,024

Get quotes

j s building & maintenance services limited

JAMES Crawford

we have over 13 years exp

we go that extra mile to make sure customers are 100 % happy

we cover a 20 miles radus for b26 area...

Cost of dormer loft conversions in B11

Estimates for build a dormer loft conversion near B11

In B11, prices for dormer loft conversions range from £41,024 (J s building & maintenance services limited based in B26) to £41,984 (Brickfast Builders based in B6), 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 B11. Post your job on HaMuch now and we'll put you in touch with available extension builders.

"Dormer loft conversion with ensuite bathroom." - BIRMINGHAM, job posted 04/11/24

"Dormer loft conversion" - SOLIHULL, job posted 11/02/25


Estimates for common extension builder jobs in B11;

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.

More extensions & conversions cost guides...