- Companies
- Plumbers and heating engineers
- Oldbury
- DD Oil Boiler Service&Spares Ltd
DD Oil Boiler Service&Spares Ltd
- Company number
- 12136191
- Incorporated
- 2 Aug 20197 years trading
- Registered office
- 103 Abbey Cresent, Oldbury, West Midlands, B68 9HL
- Nature of business
- Plumbing, heat and air-conditioning installation; Wholesale of hardware, plumbing and heating equipment and supplies
DD Oil Boiler Service&Spares Ltd is a 7-year-old private limited company registered in Oldbury, company number 12136191, one of 27 plumbing and heating companies in Oldbury. Its next accounts are due at Companies House on 31 May 2027, and the CT600 for the period to 31 August 2026 is due at HMRC on 31 August 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 £6,993 (-58.5%) on the year before, to £4,957.
- Net assets rose in 4 of 5 year-on-year comparisons on record.
- Current assets of £18K against £13K owed within a year: 1.4 times cover.
- 2 employees on average during the year.
- Balance sheets on record for 6 years, 2020 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Aug 2025 | £4,957 | £18K | £13K | 2 | |
| 31 Aug 2024 | £12K | £23K | £11K | 2 | |
| 31 Aug 2023 | £10K | £22K | £12K | 2 | |
| 31 Aug 2022 | £7,624 | £21K | £13K | 2 | |
| 31 Aug 2021 | £4,845 | £24K | £19K | 2 | |
| 31 Aug 2020 | -£2,177 | £10K | £13K | 2 |
Where DD Oil Boiler Service&Spares Ltd is registered
The registered office is in Oldbury (B68), in the Sandwell local authority area, West Midlands. Show B68 9HL on a map.
Other trade companies in B68
- Nice Stitches 4 You LimitedRepair services
- Maid to Shine LtdCleaning companies
- Urban Properties Developers LtdBuilders
- J S Roofing LtdRoofers
- Three Point Specialists LimitedMechanics and garages
- Two Brothers Roofing LtdRoofers
- Turtle Tyres LtdMechanics and garages
- Hi-Fire Gas Solutions LimitedPlumbers and heating engineers
What happens if DD Oil Boiler Service&Spares 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 May 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jun 2027 to 30 Jun 2027 | £150 |
| 1 to 3 months late | 1 Jul 2027 to 31 Aug 2027 | £375 |
| 3 to 6 months late | 1 Sep 2027 to 30 Nov 2027 | £750 |
| More than 6 months late | From 1 Dec 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Sep 2027 | £200 |
| 3 months late | 30 Nov 2027 | another £200 |
| 6 months late | 29 Feb 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Aug 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
- 12136191
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 2 August 2019 (7 years ago)
- Registered office
- 103 Abbey Cresent, Oldbury, West Midlands, B68 9HL
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
Wholesale of hardware, plumbing and heating equipment and supplies (SIC 46740) - Year end
- 31 August (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 August 2025
- Last confirmation statement
- 15 August 2026
Filing notes for plumbing and heating companies
Plumbing and heating companies frequently work under CIS for main contractors and also directly for homeowners, so turnover can mix CIS and non-CIS income.
Similar companies in Oldbury
Other active plumbing and heating companies registered in Oldbury.
- DGH (Domestic Gas Heating) Ltd2018
- E P Energy Limited2017
- El'paso Renewable Plumbing & Heating Limited2019
- First Choice Plumbing and Heating Limited2013
- Fusion Mechanical Ltd2025
- GB Home Safe Ltd2024
- Hi-Fire Gas Solutions Limited2026
- JSB Plumbing & Heating Services Ltd2025
All plumbing and heating companies in Oldbury · All trades in Oldbury · Plumbers and heating engineers across the UK
Frequently asked questions
When are DD Oil Boiler Service&Spares Ltd's accounts due?
DD Oil Boiler Service&Spares Ltd's next accounts are due at Companies House by 31 May 2027 (in 230 days), covering the period to 31 August 2026.
When is DD Oil Boiler Service&Spares Ltd's CT600 due?
The CT600 for the period to 31 August 2026 is due at HMRC by 31 August 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 June 2027.
Is DD Oil Boiler Service&Spares Ltd still trading?
DD Oil Boiler Service&Spares 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 Oil Boiler Service&Spares Ltd do?
DD Oil Boiler Service&Spares Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220); Wholesale of hardware, plumbing and heating equipment and supplies (SIC 46740).
How old is DD Oil Boiler Service&Spares Ltd?
DD Oil Boiler Service&Spares Ltd was incorporated on 2 August 2019, 7 years ago.
What is the penalty if DD Oil Boiler Service&Spares 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 Oil Boiler Service&Spares 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.