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- DD Building Services Limited
Company profile · Specialist contractors
DD Building Services Limited
DD Building Services Limited is a 12-year-old private limited company registered in Harrow, company number 08863773, one of 273 specialist construction companies in Harrow. Its next accounts are due at Companies House on 31 October 2027, and the CT600 for the period to 31 January 2027 is due at HMRC on 31 January 2028.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Financial snapshot, 2026
From the balance sheet at 31 January 2026, as filed at Companies House.
DD Building Services Limited over the years
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 £19K (+146.2%) on the year before, to £32K.
- Net assets rose in 6 of 9 year-on-year comparisons on record.
- Current assets of £67K against £28K owed within a year: 2.4 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 10 years, 2017 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Jan 2026 | £32K | £43K | £67K | £28K | 1 |
| 31 Jan 2025 | £13K | £19K | £57K | £31K | 1 |
| 31 Jan 2024 | £9,939 | £1,799 | £49K | £20K | 0 |
| 31 Jan 2023 | £648 | £1,190 | £29K | £1,779 | 0 |
| 31 Jan 2022 | £4,540 | £963 | £34K | £50K | 0 |
| 31 Jan 2021 | £1,933 | £19K | £31K | £50K | 0 |
| 31 Jan 2020 | £1,462 | £9,207 | £11K | £9,393 | 1 |
| 31 Jan 2019 | -£21K | £6 | £22K | 1 | |
| 31 Jan 2018 | -£9,126 | £6,301 | £17K | 0 | |
| 31 Jan 2017 | £569 | £12K | £13K |
Where DD Building Services Limited is registered
The registered office is in Harrow (HA1), in the Harrow local authority area, London. Show HA1 1BH 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
Shared registered office
32 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 DD Building Services Limited 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 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Nov 2027 to 30 Nov 2027 | £150 |
| 1 to 3 months late | 1 Dec 2027 to 31 Jan 2028 | £375 |
| 3 to 6 months late | 1 Feb 2028 to 30 Apr 2028 | £750 |
| More than 6 months late | From 1 May 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Feb 2028 | £200 |
| 3 months late | 30 Apr 2028 | another £200 |
| 6 months late | 31 Jul 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jan 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
- 08863773
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 28 January 2014 (12 years ago)
- Registered office
- 166 College Road, Harrow, HA1 1BH
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 31 January (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 January 2026
- Last confirmation statement
- 31 December 2025
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 Harrow
Other active specialist construction companies registered in Harrow.
- DDF Construction Ltd2021
- Ddi Gete Construction Ltd2026
- Dee & Pee Services Limited2014
- Dee and Dev Construction Ltd2026
- Demo4Lecsa Ltd2025
- Detail Developments (London) Limited2017
- Detail Works Limited2006
- Dharr Construction Limited2026
All specialist construction companies in Harrow · All trades in Harrow · Specialist contractors across the UK
Frequently asked questions
When are DD Building Services Limited's accounts due?
DD Building Services Limited's next accounts are due at Companies House by 31 October 2027 (in 384 days), covering the period to 31 January 2027.
When is DD Building Services Limited's CT600 due?
The CT600 for the period to 31 January 2027 is due at HMRC by 31 January 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 November 2027.
Is DD Building Services Limited still trading?
DD Building Services Limited 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 Building Services Limited do?
DD Building Services Limited is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is DD Building Services Limited?
DD Building Services Limited was incorporated on 28 January 2014, 12 years ago.
What is the penalty if DD Building Services 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 DD Building Services Limited 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.