- Companies
- Property developers
- Rayleigh
- Square Key Developments Ltd
Square Key Developments Ltd
- Company number
- 16210596
- Incorporated
- 27 Jan 20251 year trading
- Registered office
- 144A High Street, Rayleigh, Essex, SS6 7BU
- Nature of business
- Development of building projects
Square Key Developments Ltd is a 1-year-old private limited company registered in Rayleigh, company number 16210596, one of 53 property development companies in Rayleigh. Its next accounts are due at Companies House on 31 October 2027, and the CT600 for the period to 31 January 2027 is due at HMRC on 31 January 2028.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Financial snapshot, 2026
From the balance sheet at 31 January 2026, as filed at Companies House.
Who runs and owns Square Key Developments Ltd
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officers (2)
| Name | Role | Appointed |
|---|---|---|
| G*** N*** | Director | Jan 2025 |
| D*** P*** | Director | Jan 2025 |
People with significant control (2)
Charges (secured borrowing)
All 1 registered charge has been satisfied. A charge is security a lender takes over a company's assets, typically for a loan, mortgage or asset finance.
| Lender | Status | Registered |
|---|---|---|
| Shawbrook Bank Limited | Satisfied Jul 2026 | Nov 2025 |
Where Square Key Developments Ltd is registered
The registered office is in Rayleigh (SS6), in the Rochford local authority area, East of England. Show SS6 7BU on a map.
Other trade companies in SS6
- Nexum Building Services LtdElectricians
- J Bradford Mechanical LtdPlumbers and heating engineers
- Ehs Valeting LtdCleaning companies
- SXXD Regeneration LimitedSpecialist contractors
- Sparkle Drive LtdCleaning companies
- Thorne's Construction LtdFinishing trades
- Scrubbydo LimitedCleaning companies
- LPC Pipelines LimitedInstallers
Also registered at this address
10 other companies use the same registered office as Square Key Developments Ltd.
- Alpha Omega Fleet Services LtdMechanics and garages
- Big Boys Group LimitedMechanics and garages
- Black Label Roofing and Building LimitedRoofers
- Chelmsford Plastering and Home Improvements LtdFinishing trades
- Leach Development and Innovation LtdProperty developers
- MJS Training Solutions LtdSpecialist contractors
- Oeb Building Services LtdBuilders
- South Essex Interiors & Exteriors LtdPlasterers
- Spartan Demolition LimitedGroundworks and demolition
- Weald Park Garage LimitedMechanics and garages
What happens if Square Key Developments 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 October 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Nov 2027 to 30 Nov 2027 | £150 |
| 1 to 3 months late | 1 Dec 2027 to 31 Jan 2028 | £375 |
| 3 to 6 months late | 1 Feb 2028 to 30 Apr 2028 | £750 |
| More than 6 months late | From 1 May 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Feb 2028 | £200 |
| 3 months late | 30 Apr 2028 | another £200 |
| 6 months late | 31 Jul 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jan 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
- 16210596
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 27 January 2025 (1 year ago)
- Registered office
- 144A High Street, Rayleigh, Essex, SS6 7BU
- Nature of business
- Development of building projects (SIC 41100)
- Year end
- 31 January (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 January 2026
- Last confirmation statement
- 26 January 2026
- Charges (mortgages)
- 0 outstanding of 1 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 Rayleigh
Other active property development companies registered in Rayleigh.
- TLS Property Development Services (2021) Limited2021
- TTW Stag Limited2019
- Tyrell Developments Ltd2026
- Ukretrofit Ltd2014
- Worthwhile Construction Ltd2014
- Wxy Developments Ltd2017
- Zedekiah Properties Limited2017
- 7 Elms Construction Ltd2025
All property development companies in Rayleigh · All trades in Rayleigh · Property developers across the UK
Frequently asked questions
When are Square Key Developments Ltd's accounts due?
Square Key Developments Ltd's next accounts are due at Companies House by 31 October 2027 (in 383 days), covering the period to 31 January 2027.
When is Square Key Developments Ltd's CT600 due?
The CT600 for the period to 31 January 2027 is due at HMRC by 31 January 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 November 2027.
Is Square Key Developments Ltd still trading?
Square Key Developments 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 Square Key Developments Ltd do?
Square Key Developments Ltd is registered under Development of building projects (SIC 41100).
How old is Square Key Developments Ltd?
Square Key Developments Ltd was incorporated on 27 January 2025, 1 year ago.
Who runs Square Key Developments Ltd?
Square Key Developments Ltd has 2 active directors, the longest-serving appointed in Jan 2025. Their names and service addresses are on the Companies House register.
Who owns Square Key Developments Ltd?
2 people or companies have significant control of Square Key Developments Ltd: an individual (owns 25% to 50% of the shares); an individual (owns 25% to 50% of the shares).
What is the penalty if Square Key Developments 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 Square Key Developments 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.