- Company number
- 12971931
- Incorporated
- 23 Oct 20205 years trading
- Registered office
- Falt 19, Millgrove House, Delft Crescent, Swindon, SN25 2LU
- Nature of business
- Construction of domestic buildings
Diamond Support Home Ltd is a 5-year-old private limited company registered in Swindon, company number 12971931, one of 267 building contractors in Swindon. Its next accounts are due at Companies House on 31 July 2027, and the CT600 for the period to 31 October 2026 is due at HMRC on 31 October 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 £669 (+32.4%) on the year before, to £2,732.
- Net assets rose in 3 of 5 year-on-year comparisons on record.
- Current assets of £10K against £7,687 owed within a year: 1.4 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 6 years, 2020 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Oct 2025 | £2,732 | £10K | £7,687 | 0 | |
| 31 Oct 2024 | £2,063 | £25K | £9,117 | 0 | |
| 31 Oct 2023 | £591 | £8,059 | £7,468 | 0 | |
| 31 Oct 2022 | £875 | £13K | £12K | 0 | |
| 31 Oct 2021 | -£510 | £6,325 | £6,835 | 0 | |
| 31 Oct 2020 | £0 | £0 | £0 | 0 |
Where Diamond Support Home Ltd is registered
The registered office is in Swindon (SN25), in the Swindon local authority area, South West. Show SN25 2LU on a map.
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What happens if Diamond Support Home 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 July 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Aug 2027 to 31 Aug 2027 | £150 |
| 1 to 3 months late | 1 Sep 2027 to 31 Oct 2027 | £375 |
| 3 to 6 months late | 1 Nov 2027 to 31 Jan 2028 | £750 |
| More than 6 months late | From 1 Feb 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Nov 2027 | £200 |
| 3 months late | 31 Jan 2028 | another £200 |
| 6 months late | 30 Apr 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Oct 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
- 12971931
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 23 October 2020 (5 years ago)
- Registered office
- Falt 19, Millgrove House, Delft Crescent, Swindon, SN25 2LU
- Nature of business
- Construction of domestic buildings (SIC 41202)
- Year end
- 31 October (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 October 2025
- Last confirmation statement
- 3 October 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 Swindon
Other active building contractors registered in Swindon.
- Dingle Developments Ltd2021
- Divjot Limited2025
- DLS Building Services Limited2014
- DMG Construct Ltd2023
- Donovan Construction (South West) Limited1993
- Donside Developments Limited2015
- Dreams on the Wall Building Services Ltd2023
- DRM Energy Ltd2026
All building contractors in Swindon · All trades in Swindon · Builders across the UK
Frequently asked questions
When are Diamond Support Home Ltd's accounts due?
Diamond Support Home Ltd's next accounts are due at Companies House by 31 July 2027 (in 291 days), covering the period to 31 October 2026.
When is Diamond Support Home Ltd's CT600 due?
The CT600 for the period to 31 October 2026 is due at HMRC by 31 October 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 August 2027.
Is Diamond Support Home Ltd still trading?
Diamond Support Home 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 Diamond Support Home Ltd do?
Diamond Support Home Ltd is registered under Construction of domestic buildings (SIC 41202).
How old is Diamond Support Home Ltd?
Diamond Support Home Ltd was incorporated on 23 October 2020, 5 years ago.
What is the penalty if Diamond Support Home 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 Diamond Support Home 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.