Company profile · Builders
Sidonie Developments Limited
Sidonie Developments Limited is a 2-year-old private limited company registered in Salisbury, company number 15252010, one of 113 building contractors in Salisbury. 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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Financial snapshot, 2025
From the balance sheet at 31 March 2025, as filed at Companies House.
Where Sidonie Developments Limited is registered
The registered office is in Salisbury (SP2), in the Wiltshire local authority area, South West. Show SP2 8PU on a map.
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Also registered at this address
17 other companies use the same registered office as Sidonie Developments Limited.
- A.L.L. Surfacing Contractors LtdSpecialist contractors
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- Creative Kitchens Salisbury LimitedInstallers
- Davis Plumbing LimitedPlumbers and heating engineers
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What happens if Sidonie Developments 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 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
- 15252010
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 1 November 2023 (2 years ago)
- Registered office
- ST. Marys House, Netherhampton, Salisbury, SP2 8PU
- Nature of business
- Construction of domestic buildings (SIC 41202)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 31 October 2025
- Previous names
- Griffiths and Sons Construction Ltd (until 26 Mar 2026)
Filing notes for building contractors
Building companies often run the Construction Industry Scheme as a contractor, a subcontractor or both. CIS deductions suffered during the year are set against the PAYE bill, and any unrecovered balance at the year end matters when the accounts are drawn up.
Similar companies in Salisbury
Other active building contractors registered in Salisbury.
- Soket Construction Ltd2019
- Solstice Construction Ltd2013
- South Wilts Construction Limited2026
- SPF Carpentry and Construction Ltd2022
- Springbourne Barn Limited2021
- Springbourne Cottage Limited2021
- Stapley Construction Services Limited2023
- Stonehenge Preservation Ltd2025
All building contractors in Salisbury · All trades in Salisbury · Builders across the UK
Frequently asked questions
When are Sidonie Developments Limited's accounts due?
Sidonie Developments Limited's next accounts are due at Companies House by 31 December 2026 (in 80 days), covering the period to 31 March 2026.
When is Sidonie Developments Limited'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 Sidonie Developments Limited still trading?
Sidonie Developments 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 Sidonie Developments Limited do?
Sidonie Developments Limited is registered under Construction of domestic buildings (SIC 41202).
How old is Sidonie Developments Limited?
Sidonie Developments Limited was incorporated on 1 November 2023, 2 years ago.
What is the penalty if Sidonie Developments 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 Sidonie Developments 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.