- Companies
- Installers
- Cambridge
- DD Mechanical Projects Ltd
DD Mechanical Projects Ltd
- Company number
- 10740469
- Incorporated
- 25 Apr 20179 years trading
- Registered office
- 9 Colesfield, Longstanton, Cambridge, CB24 3BW
- Nature of business
- Other construction installation
DD Mechanical Projects Ltd is a 9-year-old private limited company registered in Cambridge, company number 10740469, one of 66 installation companies (insulation, lifts, shutters and similar) in Cambridge. Its next accounts are due at Companies House on 31 January 2028, and the CT600 for the period to 30 April 2027 is due at HMRC on 30 April 2028.
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 £8,361 (+8.6%) on the year before, to £106K.
- Net assets rose in 6 of 8 year-on-year comparisons on record.
- Current assets of £108K against £18K owed within a year: 6.1 times cover.
- 3 employees on average during the year.
- Balance sheets on record for 9 years, 2018 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Apr 2026 | £106K | £108K | £18K | 3 | |
| 30 Apr 2025 | £98K | £93K | £17K | 3 | |
| 30 Apr 2024 | £93K | £95K | £14K | 3 | |
| 30 Apr 2023 | £92K | £100K | £22K | 3 | |
| 30 Apr 2022 | £58K | £83K | £16K | 3 | |
| 30 Apr 2021 | £23K | £39K | £17K | 2 | |
| 30 Apr 2020 | £16K | £26K | £14K | 2 | |
| 30 Apr 2019 | £25K | £39K | £21K | ||
| 30 Apr 2018 | £32K | £53K | £25K |
Where DD Mechanical Projects Ltd is registered
The registered office is in Cambridge (CB24), in the South Cambridgeshire local authority area, East of England. Show CB24 3BW on a map.
Other trade companies in CB24
- Pro Radiant Cleaners LtdCleaning companies
- C Smith Engineering LtdMachinery repair and installation
- Mykin LimitedElectricians
- A & A Land Development LimitedBuilders
- Menzies Repairs LtdSpecialist contractors
- Adc Mechanical LtdMachinery repair and installation
- Cam Glow Cleaning LimitedCleaning companies
- Majestic Sequoia Group LtdCleaning companies
What happens if DD Mechanical Projects 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 January 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Feb 2028 to 29 Feb 2028 | £150 |
| 1 to 3 months late | 1 Mar 2028 to 30 Apr 2028 | £375 |
| 3 to 6 months late | 1 May 2028 to 31 Jul 2028 | £750 |
| More than 6 months late | From 1 Aug 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 May 2028 | £200 |
| 3 months late | 30 Jul 2028 | another £200 |
| 6 months late | 30 Oct 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Apr 2029 | 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
- 10740469
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 25 April 2017 (9 years ago)
- Registered office
- 9 Colesfield, Longstanton, Cambridge, CB24 3BW
- Nature of business
- Other construction installation (SIC 43290)
- Year end
- 30 April (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 April 2026
- Last confirmation statement
- 21 April 2026
Filing notes for installation companies (insulation, lifts, shutters and similar)
Installation companies (insulation, lifts, shutters, solar and similar) often buy stock and equipment up front, so stock at the year end and capital allowances both affect the tax bill.
Similar companies in Cambridge
Other active installation companies (insulation, lifts, shutters and similar) registered in Cambridge.
- Djudjo Ltd2020
- Doorsafe Entry Systems Limited2019
- Draiger Renewables Ltd2025
- F.O.L Design Ltd2017
- G-Core Limited2014
- Greater Cambridge Construction Limited2021
- Howell & Sons Construction Ltd2018
- Interlace Blinds Limited2019
All installation companies (insulation, lifts, shutters and similar) in Cambridge · All trades in Cambridge · Installers across the UK
Frequently asked questions
When are DD Mechanical Projects Ltd's accounts due?
DD Mechanical Projects Ltd's next accounts are due at Companies House by 31 January 2028 (in 476 days), covering the period to 30 April 2027.
When is DD Mechanical Projects Ltd's CT600 due?
The CT600 for the period to 30 April 2027 is due at HMRC by 30 April 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 February 2028.
Is DD Mechanical Projects Ltd still trading?
DD Mechanical Projects 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 DD Mechanical Projects Ltd do?
DD Mechanical Projects Ltd is registered under Other construction installation (SIC 43290).
How old is DD Mechanical Projects Ltd?
DD Mechanical Projects Ltd was incorporated on 25 April 2017, 9 years ago.
What is the penalty if DD Mechanical Projects 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 DD Mechanical Projects 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.