- Company number
- 12893342
- Incorporated
- 21 Sep 20206 years trading
- Registered office
- 174 Lower Road, Belvedere, DA17 6DG
- Nature of business
- Construction of commercial buildings
Ascon 89 Limited is a 6-year-old private limited company registered in Belvedere, company number 12893342, one of 54 building contractors in Belvedere. Its next accounts are due at Companies House on 30 June 2027, and the CT600 for the period to 30 September 2026 is due at HMRC on 30 September 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 £31K (+110.7%) on the year before, to £59K.
- Net assets rose in 3 of 4 year-on-year comparisons on record.
- Current assets of £148K against £92K owed within a year: 1.6 times cover.
- 3 employees on average during the year.
- Balance sheets on record for 5 years, 2021 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Sep 2025 | £59K | £148K | £92K | 3 | |
| 30 Sep 2024 | £28K | £126K | 3 | ||
| 30 Sep 2023 | £3,152 | 1 | |||
| 30 Sep 2022 | £350 | 3 | |||
| 30 Sep 2021 | £4,577 | 1 |
Where Ascon 89 Limited is registered
The registered office is in Belvedere (DA17), in the Bexley local authority area, London. Show DA17 6DG on a map.
Other trade companies in DA17
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- HS11 UK LimitedBuilders
- Aquafix Plumbing and Heating LtdPlumbers and heating engineers
- Robert Ciobanu LtdCleaning companies
- JC Truck Repairs LtdMechanics and garages
- Vishaal Global LtdCleaning companies
- Streamway Facilities Management LimitedElectricians
- Thames Wharf LtdFinishing trades
What happens if Ascon 89 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 30 June 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jul 2027 to 31 Jul 2027 | £150 |
| 1 to 3 months late | 1 Aug 2027 to 30 Sep 2027 | £375 |
| 3 to 6 months late | 1 Oct 2027 to 31 Dec 2027 | £750 |
| More than 6 months late | From 1 Jan 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Oct 2027 | £200 |
| 3 months late | 30 Dec 2027 | another £200 |
| 6 months late | 30 Mar 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Sep 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
- 12893342
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 21 September 2020 (6 years ago)
- Registered office
- 174 Lower Road, Belvedere, DA17 6DG
- Nature of business
- Construction of commercial buildings (SIC 41201)
- Year end
- 30 September (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 September 2025
- Last confirmation statement
- 20 September 2026
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 Belvedere
Other active building contractors registered in Belvedere.
- B Sahdra Building Services Limited2005
- Balvinder Kumar Ltd2026
- Bexley Plastering & Construction Limited2026
- Bu Driline Limited2019
- Casa Building Services Ltd2019
- Construction Prosper Limited2021
- Constructional Developments Limited2018
- Corja Interiors Ltd2024
All building contractors in Belvedere · All trades in Belvedere · Builders across the UK
Frequently asked questions
When are Ascon 89 Limited's accounts due?
Ascon 89 Limited's next accounts are due at Companies House by 30 June 2027 (in 261 days), covering the period to 30 September 2026.
When is Ascon 89 Limited's CT600 due?
The CT600 for the period to 30 September 2026 is due at HMRC by 30 September 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 July 2027.
Is Ascon 89 Limited still trading?
Ascon 89 Limited 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 Ascon 89 Limited do?
Ascon 89 Limited is registered under Construction of commercial buildings (SIC 41201).
How old is Ascon 89 Limited?
Ascon 89 Limited was incorporated on 21 September 2020, 6 years ago.
What is the penalty if Ascon 89 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 Ascon 89 Limited 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.