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Side Extension in Horncastle

Add the Width Your Home Needs to Work Better

When rooms feel squeezed and the layout fights daily life, side extensions can add useful width and make cooking, storage and movement feel less cramped.

Helping Homeowners Build Side Extensions in Horncastle Woodhall Spa Legsby Louth Boston Grantham Sleaford Market Rasen Spalding Skegness Gainsborough

Why Extend with SB

Why Homeowners Choose SB for Side Extensions

Width First

Plans shaped around where the house feels tightest.

Layout Checks

Light, access and room connections considered early.

Structural Planning

Openings, beams and foundations plan.

Built To Blend

Rooflines and materials matched for a quality finish.

Side Extension Options

Choose the Side Space That Helps Most

The best side extension depends on how the house feels narrow now and which change will make everyday living, storage and movement work better.

Side Return

Reclaim wasted passage space beside the house and make it useful again.

Single Storey

Add ground-floor width for kitchens or utility rooms use.

Double Storey

Add width upstairs and downstairs where more space is needed.

Kitchen Space

Create a wider kitchen with better movement, storage and light.

Utility Room

Move laundry, storage and daily clutter into a practical side space.

Garage Link

Improve access so garage and home spaces connect better.

Planning a Side Extension

What to Plan Before Building Sideways

Side extensions work best when width, approvals and structure are settled early, before awkward compromises affect layout, cost and the finished space.

Side Extension Design

How Width Starts
Working at Home

Side extension design should improve circulation, storage and room flow where widening the house helps more than adding depth.

Planning Permission for Side Extensions

What Affects Approval
Before Work Starts

Planning permission or permitted development depends on width, height, boundaries and how the design sits beside the property.

Steel Beams for Side Extensions

How Steel Beams
Support New Openings

Openings, steel beams and foundations need early planning so the side extension stays properly supported during the build.

Side Extension Roofing Options

How Roof Choices
Help Extensions Blend

Roof shape, drainage and matching finishes help the side extension sit naturally with home.

Cost of a Side Extension

What Shapes Cost
and Build Timing

Cost and timing depend on size, structure, roof type, finishes, access and the approvals needed before work begins.

    
 
 
       Posted on Google  
   
   Kathryn Fairs 
 
 
 
 Trustindex verifies that the original source of the review is Google. From the first consultation to the final result Sam and his team carried out exemplary work on our large house extension. We were especially impressed with the standard of brickwork in the build. Simon and Sam were happy to adapt and correct as different situations arose, without any hassle. The whole team were a pleasure to have in our home.
  
 
      Posted on Google  
   
   Debbie Ginns 
 
 
 
 Trustindex verifies that the original source of the review is Google. From start to finish, Sam and his team have been fantastic, building an annex for my Mum. As Mum said, it was like having family building it for us, and exactly what she wanted, 100% honest, reliable, friendly team. Couldn't have asked for more. Thank you all
  
 
      Posted on Google  
   
   Joanne Kirby 
 
 
 
 Trustindex verifies that the original source of the review is Google. Sam and his team at SB Construction were very professional, hard working and courteous. We are extremely pleased with our finished extension and would highly recommend them.
  
 
      Posted on Google  
   
   Tom Riggall 
 
 
 
 Trustindex verifies that the original source of the review is Google. Fantastic experience having SB construction complete our extension a few years back. Very professional and always reliable and came the days they said. The 2 storey extension to the left of our house was completed in no time at all .. and to a high standard, sourced bricks to match perfectly. Would highly recommend them .. brilliant from start to finish ! Thank you
  
 
      Posted on Google  
   
   Suzi Ireland 
 
 
 
 Trustindex verifies that the original source of the review is Google. Sam and his team recently completed a loft conversion for us, and we can’t recommend them enough. Where we had been let down by other professionals previously, SB construction went above and beyond to ensure that the build was able to go ahead. And wow what a transformation we couldn’t be happier. Not only the build itself is fantastic, but the family run feel and that personal touch made the whole build experience enjoyable.

Suzi & Graham Ireland.
  
 
      Posted on Google  
   
   paul keys 
 
 
 
 Trustindex verifies that the original source of the review is Google. SB construction, I don’t believe they can be bettered, they really do bring your dream to life.. premium build quality by highly skilled craftsmen. Thank you for meeting my expectations and living up to your promises.
  
 
      Posted on Google  
   
   Claire Dovey 
 
 
 
 Trustindex verifies that the original source of the review is Google. Very happy with build of extension and annex. All staff friendly and courteous. Would highly recommend
  
 
      Posted on Google  
   
   Kim Butler 
 
 
 
 Trustindex verifies that the original source of the review is Google. Very professional firm excellent workmanship
Highly recommended.

Receive Your Detailed Quote for Your Side Extension

Get in touch today for a free detailed quote

Questions About Side Extension

What people ask about side extensions in Lincolnshire

Do I need planning permission for a side extension?

That depends on width, height, boundary position and design. Some side extensions may fit permitted development, while others need planning permission.

How much does a side extension cost?

The cost of a side extension depends on size, foundations, steel beams, roof design, finishes and access, so a site visit helps shape a realistic quote.

Can a side extension make a narrow house feel wider?

Yes. Widening a narrow house can improve circulation, kitchen space, storage and daily comfort, especially where side space is currently underused.

What rooms work best in a side extension?

Kitchen space, utility rooms and garage-linked layouts are common choices, but the best use depends on where the house feels tightest now.

How long does a side extension usually take?

Timing depends on approvals, structure, weather, inspections and access, with the side extension timeline shaped by complexity and finish level.

Sam

CEO, Director

Recent Side Extension Work

Recent Side Extensions Projects

Browse recent side extension projects to see how slim gaps and narrow layouts become rooms that feel calmer, wider and easier to use.

Need More Space Without Moving Home?

Share the side space you have, what feels cramped now and get clear advice before drawings, approvals and structural work begin.

Add the Width Your Home Needs to Work Better

Helping Homeowners Build Side Extensions in Horncastle Woodhall Spa Legsby Louth Boston Grantham Sleaford Market Rasen Spalding Skegness Gainsborough