- Company number
- 11515568
- Incorporated
- 14 Aug 20188 years trading
- Registered office
- Willow House Swain Road, ST. Michaels, Tenterden, TN30 6SL
- Nature of business
- Construction of commercial buildings; Residents property management
Insaprop Ltd is a 8-year-old private limited company registered in Tenterden, company number 11515568, one of 25 building contractors in Tenterden. Its next accounts are due at Companies House on 29 May 2027, and the CT600 for the period to 29 August 2026 is due at HMRC on 29 August 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 down £49K (-32.1%) on the year before, to -£203K.
- Net assets rose in 1 of 6 year-on-year comparisons on record.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 7 years, 2019 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Aug 2025 | -£203K | £0 | £103K | 0 | |
| 31 Aug 2024 | -£153K | £8,490 | £48K | 0 | |
| 31 Aug 2023 | -£151K | £1,979 | £48K | 0 | |
| 30 Aug 2022 | -£148K | £6,696 | £48K | 0 | |
| 30 Aug 2021 | -£131K | £0 | £37K | 0 | |
| 31 Aug 2020 | -£134K | £115 | £48K | 0 | |
| 31 Aug 2019 | -£57K | £559 | £183K | 0 |
Where Insaprop Ltd is registered
The registered office is in Tenterden (TN30), in the Ashford local authority area, South East. Show TN30 6SL on a map.
Other trade companies in TN30
- Alexander Hatfield LimitedMechanics and garages
- Verello Access Solutions LtdSpecialist contractors
- JRB Roofing & Building LtdBuilders
- Embery Property Group LtdBuilders
- Power Networking Solutions LtdMachinery repair and installation
- M Harrington Tree Surgery LtdLandscapers and gardeners
- Harrington Motors (Kent) LtdMechanics and garages
- RTJ New Homes LimitedBuilders
What happens if Insaprop 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 29 May 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 30 May 2027 to 29 Jun 2027 | £150 |
| 1 to 3 months late | 30 Jun 2027 to 29 Aug 2027 | £375 |
| 3 to 6 months late | 30 Aug 2027 to 29 Nov 2027 | £750 |
| More than 6 months late | From 30 Nov 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 30 Aug 2027 | £200 |
| 3 months late | 29 Nov 2027 | another £200 |
| 6 months late | 29 Feb 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 29 Aug 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
- 11515568
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 14 August 2018 (8 years ago)
- Registered office
- Willow House Swain Road, ST. Michaels, Tenterden, TN30 6SL
- Nature of business
- Construction of commercial buildings (SIC 41201)
Residents property management (SIC 98000) - Year end
- 29 August (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 August 2025
- Last confirmation statement
- 13 August 2026
- Charges (mortgages)
- 2 outstanding of 2 registered
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 Tenterden
Other active building contractors registered in Tenterden.
- Jarvis Developments (South East) Ltd2020
- JRB Roofing & Building Ltd2026
- Kent and Sussex Renovations Ltd2023
- Kent Farm Contracting Ltd2025
- Knockwood Construction Limited2018
- Marsh & Sons Construction and Restoration Ltd2021
- Marsh & Sons Construction Ltd2023
- Paso Ltd2025
All building contractors in Tenterden · All trades in Tenterden · Builders across the UK
Frequently asked questions
When are Insaprop Ltd's accounts due?
Insaprop Ltd's next accounts are due at Companies House by 29 May 2027 (in 229 days), covering the period to 29 August 2026.
When is Insaprop Ltd's CT600 due?
The CT600 for the period to 29 August 2026 is due at HMRC by 29 August 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 30 May 2027.
Is Insaprop Ltd still trading?
Insaprop 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 Insaprop Ltd do?
Insaprop Ltd is registered under Construction of commercial buildings (SIC 41201); Residents property management (SIC 98000).
How old is Insaprop Ltd?
Insaprop Ltd was incorporated on 14 August 2018, 8 years ago.
What is the penalty if Insaprop 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 Insaprop 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.