- Companies
- Civil engineering
- Auchterarder
- Allt Dhealain Ltd
Allt Dhealain Ltd
- Company number
- SC479987
- Incorporated
- 13 Jun 201412 years trading
- Registered office
- Burnside, Cloan, Auchterarder, PH3 1PP
- Nature of business
- Construction of utility projects for electricity and telecommunications
Allt Dhealain Ltd is a 12-year-old private limited company registered in Auchterarder, company number SC479987, one of 6 civil engineering contractors in Auchterarder. Its next accounts are due at Companies House on 31 March 2028, and the CT600 for the period to 30 June 2027 is due at HMRC on 30 June 2028.
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 £2,363 (+2.8%) on the year before, to £88K.
- Net assets rose in 5 of 7 year-on-year comparisons on record.
- Current assets of £69K against £11K owed within a year: 6.1 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 8 years, 2019 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Jun 2026 | £88K | £69K | £11K | 0 | |
| 30 Jun 2025 | £85K | £60K | £8,329 | 0 | |
| 30 Jun 2024 | £92K | £67K | £12K | 0 | |
| 30 Jun 2023 | £84K | £51K | £7,229 | 0 | |
| 30 Jun 2022 | £110K | £74K | £7,691 | 0 | |
| 30 Jun 2021 | £102K | £61K | £6,438 | 0 | |
| 30 Jun 2020 | £91K | £48K | £7,380 | 0 | |
| 30 Jun 2019 | £80K | £29K | £3,961 | 0 |
Where Allt Dhealain Ltd is registered
The registered office is in Auchterarder (PH3), in the Perth and Kinross local authority area, Scotland. Show PH3 1PP on a map.
Other trade companies in PH3
- HS Groundworks LtdSpecialist contractors
- Rta Construction Group LtdBuilders
- JJL Labour LtdCivil engineering
- NCB Auto LtdMechanics and garages
- Mallis Joiners and Contractors LtdBuilders
- Fefo Homes LtdBuilders
- Get Smarty LtdFinishing trades
- Fire Damper Testing Scotland LtdPlumbers and heating engineers
Also registered at this address
2 other companies use the same registered office as Allt Dhealain Ltd.
- Donside Hydropower Company LimitedSpecialist contractors
- Highland Eco-Design LimitedCivil engineering
What happens if Allt Dhealain 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 March 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Apr 2028 to 30 Apr 2028 | £150 |
| 1 to 3 months late | 1 May 2028 to 30 Jun 2028 | £375 |
| 3 to 6 months late | 1 Jul 2028 to 30 Sep 2028 | £750 |
| More than 6 months late | From 1 Oct 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jul 2028 | £200 |
| 3 months late | 30 Sep 2028 | another £200 |
| 6 months late | 30 Dec 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Jun 2029 | 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
- SC479987
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 13 June 2014 (12 years ago)
- Registered office
- Burnside, Cloan, Auchterarder, PH3 1PP
- Nature of business
- Construction of utility projects for electricity and telecommunications (SIC 42220)
- Year end
- 30 June (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 June 2026
- Last confirmation statement
- 3 June 2026
Filing notes for civil engineering contractors
Civil engineering contractors usually carry plant and machinery, so capital allowances (the annual investment allowance and the main pool) do much of the work in the corporation tax computation.
Similar companies in Auchterarder
Other active civil engineering contractors registered in Auchterarder.
- Brian Jack Plumbing and Slating Ltd2025
- GLM Civils Limited2016
- Highland Eco-Design Limited2009
- JJL Labour Ltd2026
- JML Contracts Ltd.2005
All civil engineering contractors in Auchterarder · All trades in Auchterarder · Civil engineering across the UK
Frequently asked questions
When are Allt Dhealain Ltd's accounts due?
Allt Dhealain Ltd's next accounts are due at Companies House by 31 March 2028 (in 535 days), covering the period to 30 June 2027.
When is Allt Dhealain Ltd's CT600 due?
The CT600 for the period to 30 June 2027 is due at HMRC by 30 June 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 April 2028.
Is Allt Dhealain Ltd still trading?
Allt Dhealain 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 Allt Dhealain Ltd do?
Allt Dhealain Ltd is registered under Construction of utility projects for electricity and telecommunications (SIC 42220).
How old is Allt Dhealain Ltd?
Allt Dhealain Ltd was incorporated on 13 June 2014, 12 years ago.
What is the penalty if Allt Dhealain 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 Allt Dhealain 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.