- Company number
- 10528728
- Incorporated
- 16 Dec 20169 years trading
- Registered office
- 35 Tunbury Avenue, Chatham, ME5 9EH
- Nature of business
- Construction of domestic buildings; Electrical installation; Joinery installation; Scaffold erection
Sapphire Design and Construction (South East) Limited is a 9-year-old private limited company registered in Chatham, company number 10528728, one of 180 building contractors in Chatham. Its next accounts are due at Companies House on 31 December 2027, and the CT600 for the period to 31 March 2027 is due at HMRC on 31 March 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 £6,970 (+183.3%) on the year before, to £11K.
- Net assets rose in 6 of 8 year-on-year comparisons on record.
- Current assets of £5,972 against £1,415 owed within a year: 4.2 times cover.
- 2 employees on average, up from 1 the year before.
- Balance sheets on record for 9 years, 2017 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2026 | £11K | £5,972 | £1,415 | 2 | |
| 31 Mar 2025 | £3,803 | £887 | £79 | 1 | |
| 31 Dec 2023 | £2,751 | £1,665 | £677 | 1 | |
| 31 Dec 2022 | £1,368 | £1,965 | £1,786 | 1 | |
| 31 Dec 2021 | £1,029 | £781 | £4,718 | 1 | |
| 31 Dec 2020 | £6,442 | £7,186 | £3,682 | 1 | |
| 31 Dec 2019 | £12K | £8,922 | £2,074 | 1 | |
| 31 Dec 2018 | £4,362 | £6,570 | £2,583 | ||
| 31 Dec 2017 | £461 | £1,930 | £1,209 |
Where Sapphire Design and Construction (South East) Limited is registered
The registered office is in Chatham (ME5), in the Medway local authority area, South East. Show ME5 9EH on a map.
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Also registered at this address
1 other company uses the same registered office as Sapphire Design and Construction (South East) Limited.
- Sarts LtdFloor and wall tilers
What happens if Sapphire Design and Construction (South East) 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 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2028 to 31 Jan 2028 | £150 |
| 1 to 3 months late | 1 Feb 2028 to 31 Mar 2028 | £375 |
| 3 to 6 months late | 1 Apr 2028 to 30 Jun 2028 | £750 |
| More than 6 months late | From 1 Jul 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2028 | £200 |
| 3 months late | 30 Jun 2028 | another £200 |
| 6 months late | 30 Sep 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- 10528728
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 16 December 2016 (9 years ago)
- Registered office
- 35 Tunbury Avenue, Chatham, ME5 9EH
- Nature of business
- Construction of domestic buildings (SIC 41202)
Electrical installation (SIC 43210)
Joinery installation (SIC 43320)
Scaffold erection (SIC 43991) - Year end
- 31 March (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 March 2026
- Last confirmation statement
- 15 December 2025
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 Chatham
Other active building contractors registered in Chatham.
- Screed Bound Services Ltd2026
- Sebion Ltd2020
- Shortland Park Limited1978
- Shqip Construction Ltd2019
- Silar Homes Ltd2025
- Simon Burnop Construction Ltd2020
- Simon Woodrow Carpentry Ltd2017
- Simva Carpentry and Construction (SCC) Ltd2014
All building contractors in Chatham · All trades in Chatham · Builders across the UK
Frequently asked questions
When are Sapphire Design and Construction (South East) Limited's accounts due?
Sapphire Design and Construction (South East) Limited's next accounts are due at Companies House by 31 December 2027 (in 444 days), covering the period to 31 March 2027.
When is Sapphire Design and Construction (South East) Limited's CT600 due?
The CT600 for the period to 31 March 2027 is due at HMRC by 31 March 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2028.
Is Sapphire Design and Construction (South East) Limited still trading?
Sapphire Design and Construction (South East) 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 Sapphire Design and Construction (South East) Limited do?
Sapphire Design and Construction (South East) Limited is registered under Construction of domestic buildings (SIC 41202); Electrical installation (SIC 43210); Joinery installation (SIC 43320); Scaffold erection (SIC 43991).
How old is Sapphire Design and Construction (South East) Limited?
Sapphire Design and Construction (South East) Limited was incorporated on 16 December 2016, 9 years ago.
What is the penalty if Sapphire Design and Construction (South East) 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 Sapphire Design and Construction (South East) 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.