- Companies
- Specialist contractors
- Cumbernauld
- Proair Ventilation & Ducting Ltd
Proair Ventilation & Ducting Ltd
- Company number
- SC471530
- Incorporated
- 4 Mar 201412 years trading
- Registered office
- 31 Myvot Avenue, Cumbernauld, Glasgow, G67 4NB
- Nature of business
- Other specialised construction activities n.e.c.
Proair Ventilation & Ducting Ltd is a 12-year-old private limited company registered in Cumbernauld, company number SC471530, one of 23 specialist construction companies in Cumbernauld. Its next accounts are due at Companies House on 31 December 2026, and the CT600 for the period to 31 March 2026 is due at HMRC on 31 March 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Finances
From each year's balance sheet filed at Companies House. Small companies do not have to publish turnover or profit, so these are balance sheet figures.
- Net assets up £36K (+9.6%) on the year before, to £414K.
- Net assets rose in 8 of 9 year-on-year comparisons on record.
- Current assets of £418K against £20K owed within a year: more than 10 times cover.
- 2 employees on average during the year.
- Balance sheets on record for 10 years, 2016 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2025 | £414K | £418K | £20K | 2 | |
| 31 Mar 2024 | £378K | £382K | £20K | 2 | |
| 31 Mar 2023 | £347K | £358K | £29K | 2 | |
| 31 Mar 2022 | £269K | £243K | 2 | ||
| 31 Mar 2021 | £292K | £322K | 2 | ||
| 31 Mar 2020 | £223K | £240K | £40K | 2 | |
| 31 Mar 2019 | £184K | £180K | £29K | ||
| 31 Mar 2018 | £111K | £153K | £46K | ||
| 31 Mar 2017 | £46K | £99K | £59K | ||
| 31 Mar 2016 | £4,951 | £16K | £44K | £41K |
Where Proair Ventilation & Ducting Ltd is registered
The registered office is in Cumbernauld (G67), in the North Lanarkshire local authority area, Scotland. Show G67 4NB on a map.
Other trade companies in G67
- Primeguard Group LtdCleaning companies
- Abronhill Car Wash LtdMechanics and garages
- Outlook Doors and Windows LtdJoiners and carpenters
- Mag.Wires.Es LtdMachinery repair and installation
- J-Shyne Sparkle Service LimitedCleaning companies
- Moss Off Gutter Clean LtdRoofers
- The Gym Engineer LtdMachinery repair and installation
- Trilex Maintenance LimitedPainters and decorators
What happens if Proair Ventilation & Ducting Ltd files late
Companies House charges an automatic penalty the day after the deadline, and it rises the longer the accounts are late. These are the dates for this company's accounts due on 31 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2027 to 31 Jan 2027 | £150 |
| 1 to 3 months late | 1 Feb 2027 to 31 Mar 2027 | £375 |
| 3 to 6 months late | 1 Apr 2027 to 30 Jun 2027 | £750 |
| More than 6 months late | From 1 Jul 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2027 | £200 |
| 3 months late | 30 Jun 2027 | another £200 |
| 6 months late | 30 Sep 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 2028 | another 10% of any unpaid tax |
For returns filed on or after 1 April 2026. Late three times in a row and the £200 penalties become £1,000 each.
Company details
As held on the Companies House register.
- Company number
- SC471530
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 4 March 2014 (12 years ago)
- Registered office
- 31 Myvot Avenue, Cumbernauld, Glasgow, G67 4NB
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 4 March 2026
Filing notes for specialist construction companies
Specialist contractors often work under CIS for main contractors. Retentions held back by the customer still count towards turnover once the work is done.
Similar companies in Cumbernauld
Other active specialist construction companies registered in Cumbernauld.
- PSCM Construction & Interiors Ltd2020
- Spook's Ubique Services Ltd2023
- Steven Park Services Limited2023
- The Prestige Paving Company Ltd2023
- A & J Events Management Ltd2017
- Acg Property Scotland Ltd2023
- Allsports Construction & Maintenance Limited2005
- Amd Water Solutions Ltd2023
All specialist construction companies in Cumbernauld · All trades in Cumbernauld · Specialist contractors across the UK
Frequently asked questions
When are Proair Ventilation & Ducting Ltd's accounts due?
Proair Ventilation & Ducting Ltd's next accounts are due at Companies House by 31 December 2026 (in 79 days), covering the period to 31 March 2026.
When is Proair Ventilation & Ducting Ltd's CT600 due?
The CT600 for the period to 31 March 2026 is due at HMRC by 31 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2027.
Is Proair Ventilation & Ducting Ltd still trading?
Proair Ventilation & Ducting Ltd is listed as active on the Companies House register as of 1 Oct 2026. Active means it has not been dissolved or entered insolvency; it does not show whether it is currently taking on work.
What does Proair Ventilation & Ducting Ltd do?
Proair Ventilation & Ducting Ltd is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is Proair Ventilation & Ducting Ltd?
Proair Ventilation & Ducting Ltd was incorporated on 4 March 2014, 12 years ago.
What is the penalty if Proair Ventilation & Ducting Ltd files its accounts late?
Companies House charges £150 if the accounts are up to 1 month late, £375 up to 3 months, £750 up to 6 months and £1,500 after that, doubled if the previous year's accounts were also late. HMRC charges £200 for a CT600 filed a day late and another £200 at 3 months.
Official records
View Proair Ventilation & Ducting Ltd on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026). Deadlines are worked out from the register and assume a standard accounting period; a change of year end or a short period moves them. This page is general information, not tax or accountancy advice.