- Companies
- Property developers
- Harrow
- SDC Group Construction Ltd
SDC Group Construction Ltd
- Company number
- 13258100
- Incorporated
- 10 Mar 20215 years trading
- Registered office
- 71 Kenton Park Crescent, Harrow, HA3 8TZ
- Nature of business
- Development of building projects
SDC Group Construction Ltd is a 5-year-old private limited company registered in Harrow, company number 13258100, one of 679 property development companies in Harrow. 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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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 £7,983 on the year before, to £8,083.
- Net assets rose in 1 of 3 year-on-year comparisons on record.
- Current assets of £7,425 against £5,000 owed within a year: 1.5 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 4 years, 2022 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2025 | £8,083 | £7,425 | £5,000 | 1 | |
| 31 Mar 2024 | £100 | ||||
| 31 Mar 2023 | £100 | ||||
| 31 Mar 2022 | £100 |
Where SDC Group Construction Ltd is registered
The registered office is in Harrow (HA3), in the Harrow local authority area, London. Show HA3 8TZ on a map.
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Also registered at this address
1 other company uses the same registered office as SDC Group Construction Ltd.
- Swift Struct Group LtdBuilders
What happens if SDC Group Construction 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 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
- 13258100
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 10 March 2021 (5 years ago)
- Registered office
- 71 Kenton Park Crescent, Harrow, HA3 8TZ
- Nature of business
- Development of building projects (SIC 41100)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 22 July 2025
Filing notes for property development companies
Many property development companies are single-project vehicles. Stock of land and buildings sits on the balance sheet as work in progress until sale, and a company that has finished its project may become dormant rather than close.
Similar companies in Harrow
Other active property development companies registered in Harrow.
- Sea Securities Limited1978
- Sensepark Properties Limited1990
- Sequoia Acres Ltd2016
- Sergio Construct Ltd2017
- Setforce Ltd2024
- Shanti Medi-Care Limited2004
- Sher Force Consulting Ltd2025
- Sheraton Building Projects Limited2016
All property development companies in Harrow · All trades in Harrow · Property developers across the UK
Frequently asked questions
When are SDC Group Construction Ltd's accounts due?
SDC Group Construction Ltd's next accounts are due at Companies House by 31 December 2026 (in 80 days), covering the period to 31 March 2026.
When is SDC Group Construction Ltd'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 SDC Group Construction Ltd still trading?
SDC Group Construction Ltd is listed as active on the Companies House register (checked 12 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 SDC Group Construction Ltd do?
SDC Group Construction Ltd is registered under Development of building projects (SIC 41100).
How old is SDC Group Construction Ltd?
SDC Group Construction Ltd was incorporated on 10 March 2021, 5 years ago.
What is the penalty if SDC Group Construction 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 SDC Group Construction Ltd on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 12 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.