- Companies
- Property developers
- Sidcup
- DTK Building Specialists Limited
DTK Building Specialists Limited
- Company number
- 11922085
- Incorporated
- 2 Apr 20197 years trading
- Registered office
- Onega House, 112 Main Road, Sidcup, Kent, DA14 6NE
- Nature of business
- Development of building projects
DTK Building Specialists Limited is a 7-year-old private limited company registered in Sidcup, company number 11922085, one of 113 property development companies in Sidcup. Companies House shows its accounts as overdue: they were due on 30 April 2026.
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 £79 on the year before, to £81.
- Net assets rose in 1 of 4 year-on-year comparisons on record.
- Current assets of £7,815 against £10K owed within a year: 0.8 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 5 years, 2020 to 2024.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Apr 2024 | £81 | £5,020 | £7,815 | £10K | 0 |
| 30 Apr 2023 | £2 | £2 | |||
| 30 Apr 2022 | £2 | £2 | |||
| 30 Apr 2021 | £2 | £2 | |||
| 30 Apr 2020 | £2 | £2 |
Where DTK Building Specialists Limited is registered
The registered office is in Sidcup (DA14), in the Bexley local authority area, London. Show DA14 6NE on a map.
Other trade companies in DA14
- Evlor LtdElectricians
- Pfe Services LimitedElectricians
- CJM Property Services LimitedFinishing trades
- Top Local Trader LtdBuilders
- Bassett Electrical Group LimitedElectricians
- Flatline Flooring LtdFloor and wall tilers
- LDT Service's LimitedScaffolders
- Old Maidstone Road Hand Car Wash LtdMechanics and garages
Shared registered office
87 companies on our pages use this registered office address. An address shared this widely is usually an accountant's office or a company formation agent's service address, not where the business trades from.
What happens if DTK Building Specialists Limited files late
If the accounts reach Companies House today, the late filing penalty is £750 (£1,500 if last year's accounts were also late). It rises at each step below.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 May 2026 to 31 May 2026 | £150 |
| 1 to 3 months late | 1 Jun 2026 to 31 Jul 2026 | £375 |
| 3 to 6 months late | 1 Aug 2026 to 31 Oct 2026 | £750 |
| More than 6 months late | From 1 Nov 2026 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Aug 2026 | £200 |
| 3 months late | 31 Oct 2026 | another £200 |
| 6 months late | 31 Jan 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jul 2027 | 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
- 11922085
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 2 April 2019 (7 years ago)
- Registered office
- Onega House, 112 Main Road, Sidcup, Kent, DA14 6NE
- Nature of business
- Development of building projects (SIC 41100)
- Year end
- 30 April (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 April 2024
- Last confirmation statement
- 23 February 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 Sidcup
Other active property development companies registered in Sidcup.
- DTW Building Services Ltd2025
- Duxford Holdings Limited2025
- Exemplar Developments Limited2018
- Frank Fehr & Co.Limited1956
- Frankham Developments Limited2012
- GBC Drywall Solutions Ltd2012
- GCM Marble Limited2000
- Genesta Developments Ltd2007
All property development companies in Sidcup · All trades in Sidcup · Property developers across the UK
Frequently asked questions
When are DTK Building Specialists Limited's accounts due?
DTK Building Specialists Limited's accounts were due at Companies House on 30 April 2026 and the register shows them as overdue.
When is DTK Building Specialists Limited's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 30 April 2025, due by 30 April 2026, and one for the period to 31 July 2025, due by 31 July 2026. Corporation tax is payable 9 months and 1 day after the end of each.
Is DTK Building Specialists Limited still trading?
DTK Building Specialists Limited is listed as active on the Companies House register (checked 13 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 DTK Building Specialists Limited do?
DTK Building Specialists Limited is registered under Development of building projects (SIC 41100).
How old is DTK Building Specialists Limited?
DTK Building Specialists Limited was incorporated on 2 April 2019, 7 years ago.
What is the penalty if DTK Building Specialists 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 DTK Building Specialists Limited on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 13 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.