What is a house renovation?
A house renovation brings an older or tired home up to date. It can include rewiring, a new heating system, replastering, new floors, windows, kitchens and bathrooms, and changes to the layout. A full renovation is often combined with an extension or loft conversion.
How much does a house renovation cost in Johnstone?
In Johnstone, a house renovation typically costs £850–£1,750 per m² for a medium to full renovation, including VAT at 20% (5% may apply to homes empty for two years or more). For a typical 90 m² project that is roughly £76,500–£157,500. Prices in Scotland sit near the national average for this kind of work, and the range for Johnstone reflects that. Design, structural calculations and council fees are extra.
| Size or type | Guide range |
|---|---|
| Smaller project (63 m²) | £53,500–£110,000 |
| Typical project (90 m²) | £76,500–£157,500 |
| Larger project (126 m²) | £107,000–£220,500 |
| Rate per m² | £850–£1,750 |
The biggest cost drivers are:
- Whether you live in during the work
- Kitchens and bathrooms
- Finishes
- Windows and doors
A guide range is only a starting point: the guide price tool gives an instant figure for your size, and a free survey turns it into a fixed quote.
Do you need planning permission for a house renovation in Johnstone?
Approvals for a house renovation in Johnstone follow the rules for Scotland. In Scotland internal alterations such as structural changes or new bathrooms may need a building warrant, and listed homes need listed building consent.
In Scotland a building warrant is needed before work starts on most extensions, loft conversions and conversions. It is issued by the council’s building standards service. When the work is finished, a completion certificate is submitted and accepted by the council after inspection.
We check this for your address before design work starts, so there are no surprises later.
What we handle
What we take care of:
- Joinery, doors and floors
- Kitchens and bathrooms
- Rewiring and heating upgrades
- Structural repairs and damp treatment
- Plastering and boarding
- Decoration
How long does it take?
Allow 8 to 20 weeks on site depending on scope. Allow time beforehand for drawings and approvals, usually 6 to 12 weeks.
Building in Johnstone
In Scotland, bungalows and one-and-a-half-storey homes are common, so dormer conversions are a popular way to add bedrooms.
We work across Johnstone and neighbouring areas such as Paisley, Barrhead and Erskine. Postcodes we cover in Johnstone include PA5.
How it works
- 01
Free visit
We look at the property, talk through what you want and measure up. There is no charge and no obligation.
- 02
Drawings and written quote
We prepare the design and give you a written, itemised quote with inclusions and exclusions.
- 03
Permissions sorted
Applications, building control and neighbour arrangements, all before the start date.
- 04
Construction and completion
We build, put right any snags and hand over the building control certificate.
Questions about house renovations in Johnstone
Is VAT reduced on renovations?
Usually not; the standard 20% rate applies. A reduced 5% rate can apply when renovating a home that has been empty for at least two years.
Do I need planning permission for a house renovation in Johnstone?
In Scotland internal alterations such as structural changes or new bathrooms may need a building warrant, and listed homes need listed building consent.
Do you build house renovations in Johnstone?
Yes. We build house renovations across Johnstone, including postcodes PA5. Every project starts with a free home visit.
Do you renovate listed buildings?
Yes, with listed building consent and appropriate materials.
How much does a house renovation cost in Johnstone?
In Johnstone, a house renovation typically costs £850–£1,750 per m² for a medium to full renovation, including VAT at 20% (5% may apply to homes empty for two years or more). A typical 90 m² project comes to roughly £76,500–£157,500. Your fixed price depends on the survey and drawings.
Does a renovation need building regulations approval?
Some parts do, such as rewiring, structural changes, new windows and heating systems. We handle notifications.