- Companies
- Groundworks and demolition
- London
- Dorian.K Builders Ltd
Dorian.K Builders Ltd
- Company number
- 12299126
- Incorporated
- 5 Nov 20196 years trading
- Registered office
- 7 ST. Keverne Road, London, SE9 4AA
- Nature of business
- Demolition; Plastering; Floor and wall covering; Other building completion and finishing
Dorian.K Builders Ltd is a 6-year-old private limited company registered in London, company number 12299126, one of 287 groundworks and demolition companies in London. Its next accounts are due at Companies House on 31 August 2027, and the CT600 for the period to 30 November 2026 is due at HMRC on 30 November 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 £1,049 (+426.4%) on the year before, to £1,295.
- Net assets rose in 3 of 5 year-on-year comparisons on record.
- Current assets of £11K against £246 owed within a year: more than 10 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 6 years, 2020 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Nov 2025 | £1,295 | £11K | £246 | 1 | |
| 30 Nov 2024 | £246 | £15K | £778 | 1 | |
| 30 Nov 2023 | £930 | £1,852 | £623 | 1 | |
| 30 Nov 2022 | -£9,635 | £2,261 | £290 | 1 | |
| 30 Nov 2021 | -£13K | £0 | £13K | 2 | |
| 30 Nov 2020 | £4,426 | £14K | £10K | 2 |
Where Dorian.K Builders Ltd is registered
The registered office is in London (SE9), in the Bromley local authority area, London. Show SE9 4AA on a map.
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What happens if Dorian.K Builders 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 August 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Sep 2027 to 30 Sep 2027 | £150 |
| 1 to 3 months late | 1 Oct 2027 to 30 Nov 2027 | £375 |
| 3 to 6 months late | 1 Dec 2027 to 29 Feb 2028 | £750 |
| More than 6 months late | From 1 Mar 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Dec 2027 | £200 |
| 3 months late | 29 Feb 2028 | another £200 |
| 6 months late | 30 May 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Nov 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
- 12299126
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 5 November 2019 (6 years ago)
- Registered office
- 7 ST. Keverne Road, London, SE9 4AA
- Nature of business
- Demolition (SIC 43110)
Plastering (SIC 43310)
Floor and wall covering (SIC 43330)
Other building completion and finishing (SIC 43390) - Year end
- 30 November (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 November 2025
- Last confirmation statement
- 4 November 2025
Filing notes for groundworks and demolition companies
Groundworks and demolition companies tend to own heavy plant, so capital allowances and hire purchase liabilities show up in both the accounts and the CT600.
Similar companies in London
Other active groundworks and demolition companies registered in London.
- Dove Groundwork Ltd2021
- Driller's Way-Point Depth Limited2018
- E.J.Labour Services Limited2013
- Eco Ridge Services Ltd2023
- Eco Stripout Ltd2024
- Elbergs Contracting Services Limited2016
- Emlak Property Ltd2013
- Empire Build Group Ltd2025
All groundworks and demolition companies in London · All trades in London · Groundworks and demolition across the UK
Frequently asked questions
When are Dorian.K Builders Ltd's accounts due?
Dorian.K Builders Ltd's next accounts are due at Companies House by 31 August 2027 (in 322 days), covering the period to 30 November 2026.
When is Dorian.K Builders Ltd's CT600 due?
The CT600 for the period to 30 November 2026 is due at HMRC by 30 November 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 September 2027.
Is Dorian.K Builders Ltd still trading?
Dorian.K Builders 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 Dorian.K Builders Ltd do?
Dorian.K Builders Ltd is registered under Demolition (SIC 43110); Plastering (SIC 43310); Floor and wall covering (SIC 43330); Other building completion and finishing (SIC 43390).
How old is Dorian.K Builders Ltd?
Dorian.K Builders Ltd was incorporated on 5 November 2019, 6 years ago.
What is the penalty if Dorian.K Builders 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 Dorian.K Builders 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.