- Companies
- Groundworks and demolition
- Aboyne
- Castle Plant (Deeside) Limited
Castle Plant (Deeside) Limited
- Company number
- SC099900
- Incorporated
- 4 Jul 198640 years trading
- Registered office
- 19 Mortlich Gardens, Aboyne, AB34 5HW
- Nature of business
- Site preparation
Castle Plant (Deeside) Limited is a 40-year-old private limited company registered in Aboyne, company number SC099900, one of the UK's groundworks and demolition companies. Its next accounts are due at Companies House on 30 April 2027, and the CT600 for the period to 31 July 2026 is due at HMRC on 31 July 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 down £14K (-122.3%) on the year before, to -£25K.
- Net assets rose in 3 of 8 year-on-year comparisons on record.
- 2 employees on average during the year.
- Balance sheets on record for 10 years, 2015 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Jul 2025 | -£25K | £64K | 2 | ||
| 31 Jul 2024 | -£11K | £75K | 2 | ||
| 31 Jul 2023 | -£6,129 | £95K | 2 | ||
| 31 Jul 2022 | -£31K | £0 | £94K | 4 | |
| 31 Jul 2021 | £83K | £4,262 | £79K | 5 | |
| 31 Jul 2020 | £94K | £50K | £151K | £62K | 4 |
| 31 Jul 2019 | £52K | £104K | £82K | ||
| 31 Jul 2018 | £107K | £158K | £110K | ||
| 31 Jul 2016 | £159K | £182K | £77K | ||
| 31 Jul 2015 | £158K | £194K | £90K |
Where Castle Plant (Deeside) Limited is registered
The registered office is in Aboyne (AB34), in the Aberdeenshire local authority area, Scotland. Show AB34 5HW on a map.
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- Ab Electrical Scotland LtdElectricians
- Moraine Build Co. LtdBuilders
- Wellis Plant Hire LtdMachinery repair and installation
- Jenscott Solutions LimitedCleaning companies
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What happens if Castle Plant (Deeside) Limited 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 30 April 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 May 2027 to 31 May 2027 | £150 |
| 1 to 3 months late | 1 Jun 2027 to 31 Jul 2027 | £375 |
| 3 to 6 months late | 1 Aug 2027 to 31 Oct 2027 | £750 |
| More than 6 months late | From 1 Nov 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Aug 2027 | £200 |
| 3 months late | 31 Oct 2027 | another £200 |
| 6 months late | 31 Jan 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jul 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
- SC099900
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 4 July 1986 (40 years ago)
- Registered office
- 19 Mortlich Gardens, Aboyne, AB34 5HW
- Nature of business
- Site preparation (SIC 43120)
- Year end
- 31 July (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 July 2025
- Last confirmation statement
- 22 August 2026
- Charges (mortgages)
- 1 outstanding of 2 registered
Filing notes for groundworks and demolition companies
Groundworks and demolition companies tend to own heavy plant, so capital allowances and hire purchase liabilities show up in both the accounts and the CT600.
Similar companies in Aboyne
Other active groundworks and demolition companies registered in Aboyne.
- George Beattie & Sons Limited1990
- Jarvey Stone Limited1990
- W. McMillan (Contracting) Limited1991
- Holemasters Scotland Limited1993
- Pygmalion Properties Limited1994
- Macwilliam Demolition Ltd.1994
- Hydracrat Limited1994
- Dow (Plant & Tippers) Limited1998
All groundworks and demolition companies in Aboyne · All trades in Aboyne · Groundworks and demolition across the UK
Frequently asked questions
When are Castle Plant (Deeside) Limited's accounts due?
Castle Plant (Deeside) Limited's next accounts are due at Companies House by 30 April 2027 (in 199 days), covering the period to 31 July 2026.
When is Castle Plant (Deeside) Limited's CT600 due?
The CT600 for the period to 31 July 2026 is due at HMRC by 31 July 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 May 2027.
Is Castle Plant (Deeside) Limited still trading?
Castle Plant (Deeside) Limited 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 Castle Plant (Deeside) Limited do?
Castle Plant (Deeside) Limited is registered under Site preparation (SIC 43120).
How old is Castle Plant (Deeside) Limited?
Castle Plant (Deeside) Limited was incorporated on 4 July 1986, 40 years ago.
What is the penalty if Castle Plant (Deeside) Limited 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 Castle Plant (Deeside) Limited 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.