Single Storey Extension in Solihull & Birmingham
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Single Storey Extensions in Solihull & Birmingham

As Greentek's home base since 2020, Solihull and the wider Birmingham metro area get same-week surveys and the fastest turnaround anywhere we cover. For single storey extensions, that means our own team delivering single storey extensions from planning drawings through construction to final finishing, with no travel delay to book a survey.

As our home base, Solihull & Birmingham gets same-week surveys and the fastest turnaround on single storey extensions work.

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Your enquiry

Single Storey Extension

Finance options available using

Ideal FinancePhoenix finance

Sound familiar?

Need more space downstairs, without the upheaval of moving?

A single storey extension can change how the whole ground floor works: a kitchen-diner, a family room, a utility, or a bedroom and bathroom downstairs.

It's also where projects most often go wrong. Vague planning advice, a builder who disappears between stages, and a price that grows the moment the ground is open. Knowing exactly where you stand on planning and building control before you commit is what keeps an extension on track.

Plan my extension
  • Cramped ground floor

    A kitchen and living space that don't fit the family any more.

  • Planning uncertainty

    Not knowing whether you need permission, or how big you're allowed to build.

  • Costs that creep

    An estimate that turns into a very different final bill.

  • Builders who vanish

    Long gaps between trades, and nobody managing the whole job.

What's Included

  • Single storey extension managed from the first drawings to handover
  • Planning route confirmed and building control handled for you
  • Groundworks, structure, roof, glazing and internal finishing by one team
  • Written warranty on completion

We also deliver single storey extensions work near Solihull & Birmingham in:

SolihullShirleyOltonKnowleDorridgeMonkspathDickens HeathHockley HeathBalsall CommonHampton-in-ArdenMeridenMarston GreenChelmsley WoodCastle BromwichSheldonYardleyAcocks GreenHall GreenMoseleyKings HeathEdgbastonHarborneSelly OakBournvilleNorthfieldQuintonErdingtonSutton ColdfieldGreat BarrWater OrtonColeshill

Single storey extension in Solihull and Birmingham

Solihull and Birmingham have a broad mix of homes, from Victorian and Edwardian terraces to 1930s semis and post-war estates. Plenty of them have room at the back or side for a single storey extension, and the right design depends on the plot, the neighbours and how the new room joins the existing house.

What the survey checks

We look at the plot, drainage runs, access for materials and how the new room connects to the house, then plan the structure and the finish together. As our home base, Solihull and Birmingham gets same-week surveys for most enquiries.

Planning and building rules in Solihull and Birmingham

Many single storey rear extensions in Solihull and Birmingham are permitted development, within limits on depth and height, and larger ones can go through prior approval or full planning. Every extension needs Building Regulations approval, and we confirm the route before quoting.

Often done alongside single storey extension in Solihull and Birmingham

Beyond Solihull and Birmingham, the same in-house team carries out single storey extension in Sutton Coldfield, West Bromwich, Sandwell and Redditch. For how we approach the work anywhere, see our Single Storey Extension page.

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Projects Completed

Solar, heat pump and storage installs delivered across residential and commercial properties.

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Years Combined Experience

An accredited team with decades of hands-on energy and construction work behind it.

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Industry Accreditations

Independently audited by MCS, TrustMark, Gas Safe and five other industry bodies.

Client Stories

Trusted By Homeowners And Businesses Alike

See how our renewable energy solutions are helping customers reduce costs, increase efficiency, and gain greater energy independence.

Amjid H.

Amjid H.

Home Owner

I got my insulation done by greentek they were fantastic from the start. On the way we had one two problems from the contractors but greentek took care of it! Kept me informed and solved the issues. They communicated consistently and kept me in the loop.

Review from Google

★★★★★

Luki

Luki

Business Owner

We required an urgent new boiler installation due to the old one breaking down and being unrepairable. Greentek Energy supplied and fitted a new one at very short notice so our tenants could have heating and hot water again. We are very grateful to Greentek Energy and would recommend them highly.

Review from Google

★★★★★

Ian B.

Ian B.

Home Owner

Part of the Ecobility company. the people at Greentek know their stuff. Got a quote in just under 20 minutes where others insisted on coming around the house. They were cheaper too!

Review from Google

★★★★★

Omer M.

Omer M.

Home Owner

Quick and efficient service.

Review from Google

★★★★★

Amjid H.

Amjid H.

Home Owner

I got my insulation done by greentek they were fantastic from the start. On the way we had one two problems from the contractors but greentek took care of it! Kept me informed and solved the issues. They communicated consistently and kept me in the loop.

Review from Google

★★★★★

Luki

Luki

Business Owner

We required an urgent new boiler installation due to the old one breaking down and being unrepairable. Greentek Energy supplied and fitted a new one at very short notice so our tenants could have heating and hot water again. We are very grateful to Greentek Energy and would recommend them highly.

Review from Google

★★★★★

Ian B.

Ian B.

Home Owner

Part of the Ecobility company. the people at Greentek know their stuff. Got a quote in just under 20 minutes where others insisted on coming around the house. They were cheaper too!

Review from Google

★★★★★

Omer M.

Omer M.

Home Owner

Quick and efficient service.

Review from Google

★★★★★

Our Process

Four Steps.
Zero Surprises.

From the first call to the final handover, a clear, transparent process designed to deliver solar, home improvement, and renovation work with zero hassle.

STEP 1

Free Survey

Book online or call. A Greentek specialist visits your property to assess your solar, heating, insulation, or renovation needs.

STEP 2

Custom Quote

Get a clear, fixed-price quote with material and brand options, and an honest timeline, no hidden fees.

STEP 3

Expert Installation

Our in-house accredited team carries out the work, solar, heat pump, insulation, or renovation, no subcontractors passing the job around.

STEP 4

Handover & Warranty

We walk you through everything on completion, clean up after ourselves, and hand over your written warranty.

Fully Accredited & Certified.

  • MCS Certified
  • TrustMark Government Endorsed Quality
  • Gas Safe Register
  • HIES accredited
  • Amtivo certified
  • SWIGA member
  • Qualitymark Protection accredited
  • British Assessment Bureau certified

What it costs

What a Single Storey Extension Costs

Rear extension cost varies more than most jobs, because a good share of it sits below ground. We survey the plot and check what's under it before agreeing any figure.

  • Floor area

    The footprint of the extension, and the shape of the plot.

  • Groundwork

    Foundation depth, drainage, and anything the ground throws up.

  • Roof and glazing

    Flat or pitched, plus rooflights, bifolds or sliding doors.

  • Internal fit-out

    How far the finish goes: plastering, flooring, heating, kitchen or bathroom.

Every quote includes

  • A free site survey, with no obligation to go ahead
  • A fixed price agreed in writing before any work starts
  • Materials, labour and making good, in one price
  • Our own team throughout — no subcontractors marking the job up
  • A written workmanship warranty on completion

We don't quote over the phone from a postcode — the survey is what makes the price fixed rather than an estimate that moves. Finance is available through Ideal4Finance, subject to status.

Get a fixed-price quote

Frequently asked questions

How much does a single-storey extension cost in Solihull and Birmingham?+
It depends on the size, foundations, roof type and finish. We survey your Solihull and Birmingham property, agree the design and give a fixed-price quote. As our home base, Solihull and Birmingham gets same-week surveys for most enquiries.
Do I need planning permission for an extension in Solihull and Birmingham?+
Many single-storey rear extensions in Solihull and Birmingham fall under permitted development within size limits. Listed buildings, conservation areas and some property types in Solihull and Birmingham have tighter rules, so we check what applies to your address before quoting.
What kind of extension suits homes in Solihull and Birmingham?+
Solihull and Birmingham have a broad mix of homes, from Victorian and Edwardian terraces to 1930s semis and post-war estates. Terraces often suit a rear or side-return extension to widen the kitchen, and semis a full-width rear extension. We design around your plot and how you want to use the space.
How long does an extension take to build in Solihull and Birmingham?+
Typically a few months from breaking ground, depending on size. As our home base, Solihull and Birmingham gets same-week surveys for most enquiries. You'll get a staged timeline with your quote.
Do you build extensions in Sutton Coldfield and West Bromwich?+
Yes. The same in-house team that handles single-storey extensions in Solihull and Birmingham also covers Sutton Coldfield, West Bromwich, Sandwell and Redditch, with the same survey, fixed-price quote and workmanship warranty. See everything we do in Solihull and Birmingham.

Free Local Quote

Get a Free Single Storey Extensions Quote in Solihull & Birmingham

Tell us about your single storey extensions project in Solihull & Birmingham and we'll come back within one business day with a straight answer, a plan and a real quote.

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