- Companies
- Property developers
- Hayes
- Sidco Holdings UK Ltd
Sidco Holdings UK Ltd
- Company number
- 15303326
- Incorporated
- 22 Nov 20232 years trading
- Registered office
- 21 Fairholme Crescent, Hayes, UB4 8QS
- Nature of business
- Development of building projects; Buying and selling of own real estate; Other letting and operating of own or leased real estate; Management of real estate on a fee or contract basis
Sidco Holdings UK Ltd is a 2-year-old private limited company registered in Hayes, company number 15303326, one of 191 property development companies in Hayes. Its next accounts are due at Companies House on 31 August 2027, and the CT600 for the period to 30 November 2026 is due at HMRC on 30 November 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 £543K on the year before, to £542K.
- Current assets of £15K against £223K owed within a year: 0.1 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 2 years, 2024 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Nov 2025 | £542K | £15K | £15K | £223K | 0 |
| 30 Nov 2024 | -£111 | £0 | £0 | £111 | 0 |
Where Sidco Holdings UK Ltd is registered
The registered office is in Hayes (UB4), in the Hillingdon local authority area, London. Show UB4 8QS on a map.
Other trade companies in UB4
- J A M Building Services LtdProperty developers
- Bhindi Construction LtdBuilders
- Ij&Co Services LimitedMotor traders
- SKM Builders1 LtdBuilders
- Jap Parts and More LtdMotor traders
- Onlytiler13 Pannu LtdFloor and wall tilers
- J.K & Sons Roofing LtdRoofers
- Randhawa Construction Services LtdBuilders
Also registered at this address
2 other companies use the same registered office as Sidco Holdings UK Ltd.
- Felixstowe Property Investments LtdProperty developers
- Prime City Assets LtdProperty developers
What happens if Sidco Holdings UK 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 August 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Sep 2027 to 30 Sep 2027 | £150 |
| 1 to 3 months late | 1 Oct 2027 to 30 Nov 2027 | £375 |
| 3 to 6 months late | 1 Dec 2027 to 29 Feb 2028 | £750 |
| More than 6 months late | From 1 Mar 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Dec 2027 | £200 |
| 3 months late | 29 Feb 2028 | another £200 |
| 6 months late | 30 May 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Nov 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
- 15303326
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 22 November 2023 (2 years ago)
- Registered office
- 21 Fairholme Crescent, Hayes, UB4 8QS
- Nature of business
- Development of building projects (SIC 41100)
Buying and selling of own real estate (SIC 68100)
Other letting and operating of own or leased real estate (SIC 68209)
Management of real estate on a fee or contract basis (SIC 68320) - Year end
- 30 November (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 November 2025
- Last confirmation statement
- 21 November 2025
- Charges (mortgages)
- 5 outstanding of 6 registered
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 Hayes
Other active property development companies registered in Hayes.
- Skyblue Construction Limited2023
- Skyview Property Development Ltd2025
- SNB Renovations Ltd2026
- Soul & Mind Development Group Ltd2024
- Southwest Apartments Ltd2025
- Sparktricity Limited2006
- Spartans Constructions Limited2025
- Staycity Mayfair Limited2026
All property development companies in Hayes · All trades in Hayes · Property developers across the UK
Frequently asked questions
When are Sidco Holdings UK Ltd's accounts due?
Sidco Holdings UK Ltd's next accounts are due at Companies House by 31 August 2027 (in 322 days), covering the period to 30 November 2026.
When is Sidco Holdings UK Ltd's CT600 due?
The CT600 for the period to 30 November 2026 is due at HMRC by 30 November 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 September 2027.
Is Sidco Holdings UK Ltd still trading?
Sidco Holdings UK 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 Sidco Holdings UK Ltd do?
Sidco Holdings UK Ltd is registered under Development of building projects (SIC 41100); Buying and selling of own real estate (SIC 68100); Other letting and operating of own or leased real estate (SIC 68209); Management of real estate on a fee or contract basis (SIC 68320).
How old is Sidco Holdings UK Ltd?
Sidco Holdings UK Ltd was incorporated on 22 November 2023, 2 years ago.
What is the penalty if Sidco Holdings UK 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 Sidco Holdings UK 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.