- Company number
- 12583088
- Incorporated
- 4 May 20206 years trading
- Registered office
- 14 Holt Road, Wembley, HA0 3PS
- Nature of business
- Construction of commercial buildings; Construction of domestic buildings
Duman Building Ltd is a 6-year-old private limited company registered in Wembley, company number 12583088, one of 338 building contractors in Wembley. Companies House shows its accounts as overdue: they were due on 31 May 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 down £4,868 (-6.9%) on the year before, to £66K.
- Net assets rose in 1 of 3 year-on-year comparisons on record.
- Current assets of £89K against £24K owed within a year: 3.8 times cover.
- 3 employees on average, down from 6 the year before.
- Balance sheets on record for 4 years, 2021 to 2024.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 29 May 2024 | £66K | £89K | £24K | 3 | |
| 31 May 2023 | £71K | £92K | £22K | 6 | |
| 31 May 2022 | £89K | £108K | £19K | 6 | |
| 31 May 2021 | £27K | £34K | £6,341 | 5 |
Where Duman Building Ltd is registered
The registered office is in Wembley (HA0), in the Brent local authority area, London. Show HA0 3PS on a map.
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Also registered at this address
1 other company uses the same registered office as Duman Building Ltd.
- Panait Construction LtdBuilders
What happens if Duman Building Ltd 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 Jun 2026 to 30 Jun 2026 | £150 |
| 1 to 3 months late | 1 Jul 2026 to 31 Aug 2026 | £375 |
| 3 to 6 months late | 1 Sep 2026 to 30 Nov 2026 | £750 |
| More than 6 months late | From 1 Dec 2026 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Sep 2026 | £200 |
| 3 months late | 30 Nov 2026 | another £200 |
| 6 months late | 28 Feb 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Aug 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
- 12583088
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 4 May 2020 (6 years ago)
- Registered office
- 14 Holt Road, Wembley, HA0 3PS
- Nature of business
- Construction of commercial buildings (SIC 41201)
Construction of domestic buildings (SIC 41202) - Year end
- 28 May (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 29 May 2024
- Last confirmation statement
- 3 May 2026
Filing notes for building contractors
Building companies often run the Construction Industry Scheme as a contractor, a subcontractor or both. CIS deductions suffered during the year are set against the PAYE bill, and any unrecovered balance at the year end matters when the accounts are drawn up.
Similar companies in Wembley
Other active building contractors registered in Wembley.
- Dumis Drylining Ltd2019
- Dzhem Limited2026
- Eagle Restoration Ltd2025
- Eldovara Projects London Ltd2014
- Electro Mechanical Ltd2025
- Elihan Group Ltd2018
- Erol Balling Ltd2025
- Eurocontractor Limited2004
All building contractors in Wembley · All trades in Wembley · Builders across the UK
Frequently asked questions
When are Duman Building Ltd's accounts due?
Duman Building Ltd's accounts were due at Companies House on 31 May 2026 and the register shows them as overdue.
When is Duman Building Ltd's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 29 May 2025, due by 29 May 2026, and one for the period to 31 August 2025, due by 31 August 2026. Corporation tax is payable 9 months and 1 day after the end of each.
Is Duman Building Ltd still trading?
Duman Building Ltd 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 Duman Building Ltd do?
Duman Building Ltd is registered under Construction of commercial buildings (SIC 41201); Construction of domestic buildings (SIC 41202).
How old is Duman Building Ltd?
Duman Building Ltd was incorporated on 4 May 2020, 6 years ago.
What is the penalty if Duman 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 Duman Building Ltd 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.