- Companies
- Specialist contractors
- Stanmore
- Dmi Building Ltd
Dmi Building Ltd
- Company number
- 09941734
- Incorporated
- 8 Jan 201610 years trading
- Registered office
- 41 Bernays Close, Stanmore, HA7 4BA
- Nature of business
- Other specialised construction activities n.e.c.
Dmi Building Ltd is a 10-year-old private limited company registered in Stanmore, company number 09941734, one of 90 specialist construction companies in Stanmore. Its next accounts are due at Companies House on 31 October 2026, and the CT600 for the period to 31 January 2026 is due at HMRC on 31 January 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 £193 (-32.6%) on the year before, to £399.
- Net assets rose in 3 of 8 year-on-year comparisons on record.
- Current assets of £1,413 against £1,014 owed within a year: 1.4 times cover.
- 3 employees on average, down from 4 the year before.
- Balance sheets on record for 9 years, 2017 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Jan 2025 | £399 | £1,413 | £1,014 | 3 | |
| 31 Jan 2024 | £592 | £1,583 | £991 | 4 | |
| 31 Jan 2023 | £470 | £3,310 | £2,840 | 3 | |
| 31 Jan 2022 | £558 | £3,120 | £2,562 | 3 | |
| 31 Jan 2021 | £634 | £907 | £273 | 3 | |
| 31 Jan 2020 | £917 | £3,506 | £2,589 | 4 | |
| 31 Jan 2019 | £571 | £4,416 | £3,845 | ||
| 31 Jan 2018 | £678 | £613 | £2,613 | £1,935 | |
| 31 Jan 2017 | -£651 | £347 | £347 | £998 |
Where Dmi Building Ltd is registered
The registered office is in Stanmore (HA7), in the Harrow local authority area, London. Show HA7 4BA on a map.
Other trade companies in HA7
- Vatra Developments LtdBuilders
- Air and Waves LtdPlumbers and heating engineers
- R & R Building Services LtdFinishing trades
- Berculean BBV Ltd LtdBuilders
- Velorent LtdMotor traders
- Autex LtdMechanics and garages
- TH Motorcycles LtdMotor traders
- Ady Painting and Decorating LtdInstallers
What happens if Dmi Building 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 October 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Nov 2026 to 30 Nov 2026 | £150 |
| 1 to 3 months late | 1 Dec 2026 to 31 Jan 2027 | £375 |
| 3 to 6 months late | 1 Feb 2027 to 30 Apr 2027 | £750 |
| More than 6 months late | From 1 May 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Feb 2027 | £200 |
| 3 months late | 30 Apr 2027 | another £200 |
| 6 months late | 31 Jul 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jan 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
- 09941734
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 8 January 2016 (10 years ago)
- Registered office
- 41 Bernays Close, Stanmore, HA7 4BA
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 31 January (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 January 2025
- Last confirmation statement
- 7 January 2026
Filing notes for specialist construction companies
Specialist contractors often work under CIS for main contractors. Retentions held back by the customer still count towards turnover once the work is done.
Similar companies in Stanmore
Other active specialist construction companies registered in Stanmore.
- DMN Services UK Ltd2022
- DP Stoneworks Limited2015
- Drive (Edgware) Ltd.2000
- Ecm Smart Technology Ltd2021
- Elite Developers Ltd2024
- Enjocons Ltd2026
- G Burlica Plastering Ltd2026
- Gab Builder Ltd2018
All specialist construction companies in Stanmore · All trades in Stanmore · Specialist contractors across the UK
Frequently asked questions
When are Dmi Building Ltd's accounts due?
Dmi Building Ltd's next accounts are due at Companies House by 31 October 2026 (in 19 days), covering the period to 31 January 2026.
When is Dmi Building Ltd's CT600 due?
The CT600 for the period to 31 January 2026 is due at HMRC by 31 January 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 November 2026.
Is Dmi Building Ltd still trading?
Dmi Building 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 Dmi Building Ltd do?
Dmi Building Ltd is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is Dmi Building Ltd?
Dmi Building Ltd was incorporated on 8 January 2016, 10 years ago.
What is the penalty if Dmi Building 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 Dmi Building 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.