Building regulations for extensions in Perth
For Perth homeowners we handle the building warrant for extensions, with fees agreed in writing before any work starts.
- Guide price in PerthFrom £850 inc VAT
- Approval routeBuilding warrant before work starts
- Timescale2–5 weeks for drawings
- Postcode districtsPH1, PH2
Included in a typical project
- Completion certificate on sign-off
- Building regulations drawings and written specification
- Inspection bookings throughout the build
- Energy and glazing checks, including whole-house calculations if needed
- Structural calculations for beams, lintels and foundations
Extensions in and around Perth
Postcode districts we cover around Perth include PH1, PH2. Nearby, we also take on projects in Blairgowrie (15 miles), Crieff (15 miles).
Across Scotland, extensions follow Scottish planning and building standards, including the building warrant process, which we build into the programme from the start.
What it costs in Perth
These are guide fees for Perth, adjusted for Scotland (×0.98) and including VAT. Council application and inspection fees are paid separately.
| Option | What it covers | Guide price |
|---|---|---|
| Essential | Building regulations drawings for a simple single-storey extension | £850 – £1,800 |
| Standard | Drawings plus structural calculations | £1,250 – £2,550 |
| Premium | Complex or two-storey pack with energy calculations | £2,150 – £3,750 |
Our design fee only. Building control charges are set by your council (or, in England and Wales, a registered building control approver) and quoted separately.Council fees are extra and are set by the Scottish Government.
Want a range for your exact size? The guide-price tool takes about a minute.
Do I need planning permission in Perth?
In Scotland a building warrant from the council is needed before work starts on almost any extension, and a completion certificate is issued when the work is accepted. Building standards are set in the Scottish technical handbooks.
Before any drawing is finalised we check whether the house is listed, in a conservation area or subject to an Article 4 direction.
Building close to a public sewer needs the agreement of Scottish Water, which we check during design.
Applications are decided by your council as planning authority.
What happens next
Site visits are free and there is no obligation. Where drawings are needed, the design stage is priced in writing before it starts.
Free site visit
We visit your Perth home, measure up, talk through what you want and check the planning position.
Design and approvals
Drawings are prepared and agreed with you, then submitted for the right planning route and building regulations approval.
Fixed written price
With the design and specification agreed, you get a fixed written price and a start date.
Build and sign-off
Our team builds the extension, keeps you updated weekly and finishes with building control sign-off.
Common questions in Perth
Who do I contract with in Perth?
Your contract is with S&K Property Investments and Improvement Ltd, which designs and manages the project and the build teams who carry it out.
How long does this take for a Perth home?
2–5 weeks for drawings, depending on the council and the complexity of the project.
Do you cover all of Perth?
Yes. We cover Perth and the surrounding parts of Perth and Kinross. Site visits are free and there is no obligation.
Book a free site visit in Perth
We will measure up, check the planning position and give you honest guide figures.
- Free, no-obligation site visit
- Planning route checked before you spend on drawings
- Written price once the design is agreed
- Building control sign-off at the end
Prefer to talk? Call 0800 088 6341 or .
Book a free site visit
Tell us a little about the project and we will arrange a time.