- Companies
- Finishing trades
- London
- Costiling Ltd
Costiling Ltd
- Company number
- 13747073
- Incorporated
- 16 Nov 20214 years trading
- Registered office
- Flat 3 Weathersfield Court, 35 Court Yard, London, SE9 5PP
- Nature of business
- Other building completion and finishing
Costiling Ltd is a 4-year-old private limited company registered in London, company number 13747073, one of 3,947 building finishing companies in London. Its next accounts are due at Companies House on 31 December 2027, and the CT600 for the period to 31 March 2027 is due at HMRC on 31 March 2028.
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 £7,660 (-24.7%) on the year before, to £23K.
- Net assets rose in 1 of 3 year-on-year comparisons on record.
- Current assets of £27K against £4,068 owed within a year: 6.7 times cover.
- 2 employees on average during the year.
- Balance sheets on record for 4 years, 2023 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2026 | £23K | £27K | £4,068 | 2 | |
| 31 Mar 2025 | £31K | £37K | £5,748 | 2 | |
| 31 Mar 2024 | £12K | £24K | £12K | 2 | |
| 31 Mar 2023 | £26K | £32K | £6,210 | 2 |
Where Costiling Ltd is registered
The registered office is in London (SE9), in the Greenwich local authority area, London. Show SE9 5PP on a map.
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What happens if Costiling 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 December 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2028 to 31 Jan 2028 | £150 |
| 1 to 3 months late | 1 Feb 2028 to 31 Mar 2028 | £375 |
| 3 to 6 months late | 1 Apr 2028 to 30 Jun 2028 | £750 |
| More than 6 months late | From 1 Jul 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2028 | £200 |
| 3 months late | 30 Jun 2028 | another £200 |
| 6 months late | 30 Sep 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- 13747073
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 16 November 2021 (4 years ago)
- Registered office
- Flat 3 Weathersfield Court, 35 Court Yard, London, SE9 5PP
- Nature of business
- Other building completion and finishing (SIC 43390)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 March 2026
- Last confirmation statement
- 15 November 2025
Filing notes for building finishing companies
Finishing trade companies cover a wide range of work. Most are micro-entities with simple accounts and a straightforward CT600.
Similar companies in London
Other active building finishing companies registered in London.
- Couzens Construction Projects Ltd2011
- Covalent Building Solutions Ltd2024
- Coyne GRP Limited2022
- CR Building Contractors Limited2014
- Craft Maintenance Services Ltd2025
- Crafthopper Ltd2026
- Cranko Construction Ltd2026
- Cranleigh Ltd2018
All building finishing companies in London · All trades in London · Finishing trades across the UK
Frequently asked questions
When are Costiling Ltd's accounts due?
Costiling Ltd's next accounts are due at Companies House by 31 December 2027 (in 445 days), covering the period to 31 March 2027.
When is Costiling Ltd's CT600 due?
The CT600 for the period to 31 March 2027 is due at HMRC by 31 March 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2028.
Is Costiling Ltd still trading?
Costiling 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 Costiling Ltd do?
Costiling Ltd is registered under Other building completion and finishing (SIC 43390).
How old is Costiling Ltd?
Costiling Ltd was incorporated on 16 November 2021, 4 years ago.
What is the penalty if Costiling 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 Costiling 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.