Garage Conversion Plastering in Southport
Turning a cold, bare garage into a room that matches the rest of the house — rendered outside where the door was, dry lined and skimmed within.
Garage Conversion Plastering in Southport
A garage conversion is one of the cheapest ways to gain a proper room, and two things give away a bad one: the outside, where you can still see exactly where the door used to be, and the inside, where it still feels like a garage with plasterboard on.
Our part is fixing both. The infill wall rendered so the elevation reads as one surface, and the inside dry lined, insulated where needed and skimmed to the same standard as any other room in the house.
Losing the garage door opening
When the door is bricked or blocked up, you are left with a new panel of masonry sitting in an older wall. Even done well in matching brick it tends to show, because the new work has not weathered and the mortar is a different age.
Rendering the elevation is what makes it genuinely disappear. Depending on the house that might be the front elevation, or the whole frontage, so the finish runs uninterrupted and there is no rectangle of newer work catching your eye from the pavement.

Warm, dry and finished inside
Garages are built to a different standard to living space: single skin or uninsulated cavity walls, a cold floor and often no proper damp protection. Before it can be a usable room it needs insulating and lining out, and the walls need to be dry.
We dry line the walls and ceiling — insulated board where the specification calls for it — tape every joint, bead every angle and skim it out. The result should be indistinguishable from any other room once it is decorated.

Where we fit in the job
Straight answer, because it matters when you are planning: we do the rendering, dry lining and plastering. Blocking up the opening, floor build-up and damp proofing, windows, electrics and building regulations approval are for a builder and the relevant trades.
We come in once that is done and take it from bare shell to a finished, decorate-ready room, and we are happy to talk through the order of work if you are still getting the job planned.

When to consider garage conversions
- A garage used for storage that could be a room instead
- A conversion where the old door opening still shows from the street
- A converted garage that is cold, bare or never finished properly
- Single-skin or uninsulated walls that need lining before use
- Wanting the frontage to read as one surface rather than patched
- A conversion at planning stage needing the finishing trades lined up
Our work
We have not photographed a garage conversion yet, so there is no gallery on this page rather than pictures of somebody else's work. The rendering and dry lining above is ours.
Questions we get asked about garage conversions
Do you do the whole garage conversion?
We do the rendering, dry lining and plastering. Blocking up the door opening, floor build-up, damp proofing, windows, electrics and building regulations are a builder's and other trades' work. We come in to finish the shell into a proper room.
Will you be able to hide where the garage door was?
From the inside, completely. From the outside, rendering the elevation is what makes it disappear — infilled masonry alone almost always shows, because new brick and mortar sit differently against forty-year-old weathered work.
Does a converted garage need insulating?
Effectively always. Garage walls are built to a lower standard than living space, often single skin, and the room will be cold and prone to condensation without insulation. Insulated plasterboard linings are the usual approach and are set by building regulations.
How long does the plastering stage take?
For a typical single garage, dry lining and skimming is usually several days once the shell is ready, plus drying time before decorating. Rendering outside is a separate stage and depends on scaffold or tower access and the weather.
Can the render match the rest of the house?
If the house is already rendered we will get as close as the existing finish allows, though weathered render never matches new exactly. On brick houses the usual approach is rendering the full elevation so the finish is deliberate rather than a patch.
Is a converted garage warm enough to use all year?
Once it is insulated, lined and heated, yes — it should feel like any other room. The things that undermine it are an uninsulated floor and unresolved damp, which is why both need dealing with before the walls are lined.
What customers say
4.7 out of 5 from 12 reviews on Google. Every review below is verbatim from that profile.
Anthony's just finished skimming the lounge. He prepared it all thoroughly and was so conscientious throughout. He arrived punctual in the mornings and never stopped until it was finished. He's done a brilliant job the room looks immaculate. He left it so clean and tidy afterwards. We would recommend him to anyone.
Anthony has done a fantastic job on our rendering. Excellent communication from start to finish and has always been responsive. He has turned up every day early and has left the place spotless. Couldn't fault the service and would use again and recommend to others. Thank you so much.
Anthony rendered the gable wall and single storey kitchen of my house. He did an excellent job of the work. Anthony fully explained the process and where he was up to as it progressed. He made sure that surrounding area and walls were protected from any debris or render during the process and did an excellent job of cleaning up both as it progressed and at the end. Anthony was also a pleasure to deal with as a tradesman. In addition his price was really competitive compared to other renderers who quoted. When I get the rest of the house re-rendered I will certainly be using Birkdale Plastering and Rendering.
I recently had the front of my house rendered by birkdale plastering and rendering, and couldn't be happier with the results. From start to finish Anthony was professional, friendly and highly skilled. The quality of the rendering is outstanding, giving my home a fresh, modern look. Anthony paid great attention to detail, kept everything tidy and completed the job on time. If you're looking for expert rendering services I highly recommend birkdale plastering and rendering. Fantastic workmanship and excellent customer service. Thank you Anthony!
Anthony did an amazing job re-rendering our bungalow. The finish is flawless, and our home looks brand new! Professional, tidy, and efficient from start to finish. Highly recommend Birkdale Plastering and Rendering. Thanks again!
Anthony is prompt, professional and friendly in nature. He arrived when he said he would and completed all plastering work to an excellent standard. He also did an amazing job with my coving. I would 100% recommend him for all plastering work 😊 ...
Related services
External Rendering
Re-rendering tired, cracked and blown elevations — including stripping off failed pebbledash first.
Read moreDry Lining & Plasterboarding
Stud walls, ceilings and insulated linings — set out square, taped and beaded before skimming.
Read moreHouse Extensions
New work rendered into old without a visible seam, and boarded and skimmed flush inside.
Read moreGet a free written estimate
Tell us what the walls are doing and we will come and look. You will get an honest assessment and a written price, with no obligation and no pressure.
Get in touch
Tell us what the walls are doing and we will come and look. Free written estimate, no obligation.
- Phone 07923 545449
- Email anthony9thompson@yahoo.co.uk
- Address 2 Sheepfold Cl., Southport PR8 6RL
- Opening hours Every day, 7am – 8pm