- Companies
- Property developers
- Sutton
- Kostov Telecom Ltd
Kostov Telecom Ltd
- Company number
- 09632786
- Incorporated
- 10 Jun 201511 years trading
- Registered office
- 27 Cowper Avenue, Sutton, SM1 3RD
- Nature of business
- Development of building projects
Kostov Telecom Ltd is a 11-year-old private limited company registered in Sutton, company number 09632786, one of 148 property development companies in Sutton. Its next accounts are due at Companies House on 31 March 2028, and the CT600 for the period to 30 June 2027 is due at HMRC on 30 June 2028.
Key dates
Worked out from the year end and filing history on the Companies House register.
Is this your company?
File the accounts to Companies House and the CT600 to HMRC yourself with A.X.E.L Filing. One set of questions, both filings, £49 flat. No accountant, no subscription.
File for Kostov Telecom LtdOr get a reminder before each deadline
Free. We email you 60, 30, 14, 7 and 1 days before the accounts, CT600 and confirmation statement are due. Unsubscribe in one click.
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 £9,704 (+26%) on the year before, to -£28K.
- Net assets rose in 5 of 9 year-on-year comparisons on record.
- Current assets of £7,823 against £4,465 owed within a year: 1.8 times cover.
- 3 employees on average during the year.
- Balance sheets on record for 10 years, 2018 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Jun 2026 | -£28K | £7,823 | £4,465 | 3 | |
| 30 Jun 2025 | -£37K | £1,833 | £1,579 | 3 | |
| 30 Jun 2024 | -£44K | £1,012 | £356 | 3 | |
| 30 Jun 2023 | -£54K | £3,838 | £177 | 3 | |
| 30 Jun 2022 | -£62K | £649 | £0 | 2 | |
| 30 Jun 2021 | -£15K | £45K | £320 | 2 | |
| 30 Jun 2020 | £313 | £337 | 3 | ||
| 30 Jun 2019 | £4,127 | £4,625 | 4 | ||
| 30 Jul 2018 | £278 | £1,147 | 4 | ||
| 30 Jun 2018 | £278 | £1,147 | £869 |
Where Kostov Telecom Ltd is registered
The registered office is in Sutton (SM1), in the Sutton local authority area, London. Show SM1 3RD on a map.
Other trade companies in SM1
- GML Landscaping & Tree Care LtdLandscapers and gardeners
- Alfa Sprint LtdMechanics and garages
- Roadside Help LtdMotor traders
- Pivotal Cleaning LtdCleaning companies
- Patchs Builder LimitedFinishing trades
- Leo Windows LimitedGlaziers
- MJG Motorworks LtdMechanics and garages
- Macgregor Landscapes and Gardens LtdLandscapers and gardeners
What happens if Kostov Telecom 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 March 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Apr 2028 to 30 Apr 2028 | £150 |
| 1 to 3 months late | 1 May 2028 to 30 Jun 2028 | £375 |
| 3 to 6 months late | 1 Jul 2028 to 30 Sep 2028 | £750 |
| More than 6 months late | From 1 Oct 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jul 2028 | £200 |
| 3 months late | 30 Sep 2028 | another £200 |
| 6 months late | 30 Dec 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Jun 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
- 09632786
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 10 June 2015 (11 years ago)
- Registered office
- 27 Cowper Avenue, Sutton, SM1 3RD
- Nature of business
- Development of building projects (SIC 41100)
- Year end
- 30 June (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 June 2026
- Last confirmation statement
- 31 January 2026
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 Sutton
Other active property development companies registered in Sutton.
- Kristianphillipsconsultancy Ltd2020
- Leela Dhar Limited2019
- Lofts of London Limited2019
- Logue Maintenance Services Ltd2024
- London Coastal Ltd2026
- Lorems Properties Ltd2025
- Lumalea Ltd2026
- Mantle Construction Ltd2009
All property development companies in Sutton · All trades in Sutton · Property developers across the UK
Frequently asked questions
When are Kostov Telecom Ltd's accounts due?
Kostov Telecom Ltd's next accounts are due at Companies House by 31 March 2028 (in 535 days), covering the period to 30 June 2027.
When is Kostov Telecom Ltd's CT600 due?
The CT600 for the period to 30 June 2027 is due at HMRC by 30 June 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 April 2028.
Is Kostov Telecom Ltd still trading?
Kostov Telecom 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 Kostov Telecom Ltd do?
Kostov Telecom Ltd is registered under Development of building projects (SIC 41100).
How old is Kostov Telecom Ltd?
Kostov Telecom Ltd was incorporated on 10 June 2015, 11 years ago.
What is the penalty if Kostov Telecom 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 Kostov Telecom 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.