- Companies
- Groundworks and demolition
- Sittingbourne
- Sda Site Investigation Ltd
Sda Site Investigation Ltd
- Company number
- 10840463
- Incorporated
- 28 Jun 20179 years trading
- Registered office
- C/O Uhy Hacker Young Thames House, Roman Square, Sittingbourne, ME10 4BJ
- Nature of business
- Test drilling and boring
Sda Site Investigation Ltd is a 9-year-old private limited company registered in Sittingbourne, company number 10840463, one of 7 groundworks and demolition companies in Sittingbourne. Its next accounts are due at Companies House on 31 March 2027, and the CT600 for the period to 30 June 2026 is due at HMRC on 30 June 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 £18K (+18.3%) on the year before, to £118K.
- Net assets rose in 3 of 4 year-on-year comparisons on record.
- Current assets of £227K against £69K owed within a year: 3.3 times cover.
- 2 employees on average during the year.
- Balance sheets on record for 5 years, 2018 to 2022.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Jun 2022 | £118K | £42K | £227K | £69K | 2 |
| 30 Jun 2021 | £99K | £33K | £185K | £55K | 2 |
| 30 Jun 2020 | £130K | £43K | £182K | £27K | 2 |
| 30 Jun 2019 | £105K | £4,921 | £151K | £67K | |
| 30 Jun 2018 | £96K | £134K | £218K | £136K |
Where Sda Site Investigation Ltd is registered
The registered office is in Sittingbourne (ME10), in the Swale local authority area, South East. Show ME10 4BJ on a map.
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Also registered at this address
9 other companies use the same registered office as Sda Site Investigation Ltd.
- Home Maintenance Services (Kent) LimitedSpecialist contractors
- Kent Door Services LimitedFinishing trades
- Money Box LtdProperty developers
- Nationwide Industrial Services LtdMachinery repair and installation
- Payne Bougourd Plumbing & Heating LtdPlumbers and heating engineers
- Prolek Contractors LtdElectricians
- Rpa Property Management LtdProperty developers
- S&S Prime Properties LtdProperty developers
- Village Views Ltd.Property developers
What happens if Sda Site Investigation 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 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Apr 2027 to 30 Apr 2027 | £150 |
| 1 to 3 months late | 1 May 2027 to 30 Jun 2027 | £375 |
| 3 to 6 months late | 1 Jul 2027 to 30 Sep 2027 | £750 |
| More than 6 months late | From 1 Oct 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jul 2027 | £200 |
| 3 months late | 30 Sep 2027 | another £200 |
| 6 months late | 30 Dec 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Jun 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
- 10840463
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 28 June 2017 (9 years ago)
- Registered office
- C/O Uhy Hacker Young Thames House, Roman Square, Sittingbourne, ME10 4BJ
- Nature of business
- Test drilling and boring (SIC 43130)
- Year end
- 30 June (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 June 2025
- Last confirmation statement
- 2 August 2026
- Charges (mortgages)
- 1 outstanding of 1 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 Sittingbourne
Other active groundworks and demolition companies registered in Sittingbourne.
- Agunpopp TM Ltd2024
- Alpine Demolition Limited2013
- HRS Utilities Ltd2026
- Janp Traffic Management Limited2024
- K.F. Drilling Limited2003
- P. J. Gilbert Limited2015
All groundworks and demolition companies in Sittingbourne · All trades in Sittingbourne · Groundworks and demolition across the UK
Frequently asked questions
When are Sda Site Investigation Ltd's accounts due?
Sda Site Investigation Ltd's next accounts are due at Companies House by 31 March 2027 (in 169 days), covering the period to 30 June 2026.
When is Sda Site Investigation Ltd's CT600 due?
The CT600 for the period to 30 June 2026 is due at HMRC by 30 June 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 April 2027.
Is Sda Site Investigation Ltd still trading?
Sda Site Investigation 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 Sda Site Investigation Ltd do?
Sda Site Investigation Ltd is registered under Test drilling and boring (SIC 43130).
How old is Sda Site Investigation Ltd?
Sda Site Investigation Ltd was incorporated on 28 June 2017, 9 years ago.
What is the penalty if Sda Site Investigation 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 Sda Site Investigation 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.