- Companies
- Property developers
- Slough
- SK Developco Limited
SK Developco Limited
- Company number
- 16388151
- Incorporated
- 15 Apr 20251 year trading
- Registered office
- 135 Marlborough Road, Slough, SL3 7JS
- Nature of business
- Development of building projects; Other letting and operating of own or leased real estate
SK Developco Limited is a 1-year-old private limited company registered in Slough, company number 16388151, one of 316 property development companies in Slough. 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
This company has not filed accounts yet. First accounts are due 21 months after incorporation, and the first period can run longer than a year.
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Financial snapshot, 2026
From the balance sheet at 31 March 2026, as filed at Companies House.
Where SK Developco Limited is registered
The registered office is in Slough (SL3), in the Slough local authority area, South East. Show SL3 7JS on a map.
Other trade companies in SL3
- Tac Design & Build LtdFinishing trades
- G&S Formwork LtdBuilders
- Klenzo LtdCleaning companies
- West London Crown Construction LtdBuilders
- Dahlia Investment Group LimitedProperty developers
- Ekon Electrics LtdElectricians
- R&G Maintenance LtdCleaning companies
- Cornerstone Homes & Estates LtdProperty developers
Also registered at this address
1 other company uses the same registered office as SK Developco Limited.
- SK & Co. Investments LimitedProperty developers
What happens if SK Developco 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
- 16388151
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 15 April 2025 (1 year ago)
- Registered office
- 135 Marlborough Road, Slough, SL3 7JS
- Nature of business
- Development of building projects (SIC 41100)
Other letting and operating of own or leased real estate (SIC 68209) - Year end
- 31 March (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 14 April 2026
- Charges (mortgages)
- 3 outstanding of 3 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 Slough
Other active property development companies registered in Slough.
- SKM Croydon Limited2023
- SKN Design & Build Ltd2026
- SMD Design and Build Ltd2025
- SMS Dhaliwal Estate Ltd2026
- SNP Commercial Ltd2024
- Solaris Developments Ltd2024
- Southern Facility Services Ltd2012
- Space Property 3 Ltd2024
All property development companies in Slough · All trades in Slough · Property developers across the UK
Frequently asked questions
When are SK Developco Limited's accounts due?
SK Developco 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 SK Developco 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 SK Developco Limited still trading?
SK Developco 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 SK Developco Limited do?
SK Developco Limited is registered under Development of building projects (SIC 41100); Other letting and operating of own or leased real estate (SIC 68209).
How old is SK Developco Limited?
SK Developco Limited was incorporated on 15 April 2025, 1 year ago.
What is the penalty if SK Developco 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 SK Developco 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.