- Companies
- Finishing trades
- Harrow
- Dna UK Construction Ltd
Dna UK Construction Ltd
- Company number
- 11385356
- Incorporated
- 26 May 20188 years trading
- Registered office
- 47 ST. Kildas Road, Harrow, HA1 1QD
- Nature of business
- Other building completion and finishing; Freight transport by road
Dna UK Construction Ltd is a 8-year-old private limited company registered in Harrow, company number 11385356, one of 251 building finishing companies in Harrow. Its next accounts are due at Companies House on 31 December 2026, and the CT600 for the period to 31 March 2026 is due at HMRC on 31 March 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 down £49K (-127.2%) on the year before, to -£11K.
- Net assets rose in 3 of 6 year-on-year comparisons on record.
- Current assets of £39K against £273 owed within a year: more than 10 times cover.
- 1 employee on average, down from 2 the year before.
- Balance sheets on record for 7 years, 2019 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2025 | -£11K | £34K | £39K | £273 | 1 |
| 31 Mar 2024 | £39K | £27K | £57K | £11K | 2 |
| 31 Mar 2023 | £226K | £209K | £396K | £100K | 2 |
| 31 Mar 2022 | £228K | £106K | £386K | £102K | 2 |
| 31 Mar 2021 | £115K | £138K | £221K | £66K | 1 |
| 31 Mar 2020 | £33K | £31K | £24K | 1 | |
| 31 Mar 2019 | £794 | £34K | £33K |
Where Dna UK Construction Ltd is registered
The registered office is in Harrow (HA1), in the Harrow local authority area, London. Show HA1 1QD on a map.
Other trade companies in HA1
- Cabos Electrical LimitedElectricians
- Mia Maria Services LtdCleaning companies
- Ac Operations LtdScaffolders
- Verde Masters LtdLandscapers and gardeners
- Omega Works Group LtdLandscapers and gardeners
- Call 'Em LimitedPlumbers and heating engineers
- Swan Roofing Services LimitedRoofers
- DRV Property Solutions LtdPainters and decorators
Also registered at this address
2 other companies use the same registered office as Dna UK Construction Ltd.
- ND Plumbing LtdPlumbers and heating engineers
- Nisconstruct LtdBuilders
What happens if Dna UK Construction 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 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2027 to 31 Jan 2027 | £150 |
| 1 to 3 months late | 1 Feb 2027 to 31 Mar 2027 | £375 |
| 3 to 6 months late | 1 Apr 2027 to 30 Jun 2027 | £750 |
| More than 6 months late | From 1 Jul 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2027 | £200 |
| 3 months late | 30 Jun 2027 | another £200 |
| 6 months late | 30 Sep 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- 11385356
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 26 May 2018 (8 years ago)
- Registered office
- 47 ST. Kildas Road, Harrow, HA1 1QD
- Nature of business
- Other building completion and finishing (SIC 43390)
Freight transport by road (SIC 49410) - Year end
- 31 March (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 29 October 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 Harrow
Other active building finishing companies registered in Harrow.
- DS Sealants Ltd2014
- DS Tiles Limited2020
- DVD Global Construction Ltd2026
- E&J Construction Limited2019
- Eav Bespoke Limited2026
- Eav Smart Homes Limited2020
- Ec Civil Engineering Ltd2022
- Edrex Builders Ltd2020
All building finishing companies in Harrow · All trades in Harrow · Finishing trades across the UK
Frequently asked questions
When are Dna UK Construction Ltd's accounts due?
Dna UK Construction Ltd's next accounts are due at Companies House by 31 December 2026 (in 79 days), covering the period to 31 March 2026.
When is Dna UK Construction Ltd's CT600 due?
The CT600 for the period to 31 March 2026 is due at HMRC by 31 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2027.
Is Dna UK Construction Ltd still trading?
Dna UK Construction 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 Dna UK Construction Ltd do?
Dna UK Construction Ltd is registered under Other building completion and finishing (SIC 43390); Freight transport by road (SIC 49410).
How old is Dna UK Construction Ltd?
Dna UK Construction Ltd was incorporated on 26 May 2018, 8 years ago.
What is the penalty if Dna UK Construction 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 Dna UK Construction 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.