- Companies
- Civil engineering
- Rochdale
- SDP Engineering Limited
SDP Engineering Limited
- Company number
- 09742024
- Incorporated
- 20 Aug 201511 years trading
- Registered office
- 2 Muriel Street, Rochdale, OL16 5JQ
- Nature of business
- Construction of other civil engineering projects n.e.c.
SDP Engineering Limited is a 11-year-old private limited company registered in Rochdale, company number 09742024, one of 28 civil engineering contractors in Rochdale. Its next accounts are due at Companies House on 30 April 2027, and the CT600 for the period to 31 July 2026 is due at HMRC on 31 July 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
Is this your company?
File the accounts to Companies House and the CT600 to HMRC yourself with A.X.E.L Filing. One set of questions, both filings, £49 flat. No accountant, no subscription.
File for SDP Engineering LimitedOr get a reminder before each deadline
Free. We email you 60, 30, 14, 7 and 1 days before the accounts, CT600 and confirmation statement are due. Unsubscribe in one click.
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 £3,808 (+86.2%) on the year before, to -£608.
- Net assets rose in 6 of 9 year-on-year comparisons on record.
- Current assets of £16K against £3,947 owed within a year: 3.9 times cover.
- 1 employee on average, down from 4 the year before.
- Balance sheets on record for 10 years, 2016 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Jul 2025 | -£608 | £16K | £3,947 | 1 | |
| 31 Jul 2024 | -£4,416 | £20K | £9,305 | 4 | |
| 31 Aug 2023 | £108 | £27K | 4 | ||
| 31 Aug 2022 | -£8,140 | £26K | £7,828 | 4 | |
| 31 Aug 2021 | -£20K | £14K | £5,382 | 4 | |
| 31 Aug 2020 | -£724 | £22K | £5,339 | 3 | |
| 31 Aug 2019 | -£26K | -£40K | £17K | ||
| 31 Aug 2018 | £20K | £32K | £13K | ||
| 31 Aug 2017 | £13K | £21K | £5,575 | ||
| 31 Aug 2016 | -£414 | £208 | £4,917 | £350 |
Where SDP Engineering Limited is registered
The registered office is in Rochdale (OL16), in the Rochdale local authority area, North West. Show OL16 5JQ on a map.
Other trade companies in OL16
- Top Deck Landscapes LtdLandscapers and gardeners
- MS Turn Key Builders LtdBuilders
- MMR Building Services LtdInstallers
- Beyondbenchmarklearning LimitedCleaning companies
- Rochdale Cleaning LtdCleaning companies
- Goldfern Living LtdFinishing trades
- 4 Zee Transport LtdMotor traders
- GG'S Cleaning Solutions LtdCleaning companies
What happens if SDP Engineering 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 30 April 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 May 2027 to 31 May 2027 | £150 |
| 1 to 3 months late | 1 Jun 2027 to 31 Jul 2027 | £375 |
| 3 to 6 months late | 1 Aug 2027 to 31 Oct 2027 | £750 |
| More than 6 months late | From 1 Nov 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Aug 2027 | £200 |
| 3 months late | 31 Oct 2027 | another £200 |
| 6 months late | 31 Jan 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jul 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
- 09742024
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 20 August 2015 (11 years ago)
- Registered office
- 2 Muriel Street, Rochdale, OL16 5JQ
- Nature of business
- Construction of other civil engineering projects n.e.c. (SIC 42990)
- Year end
- 31 July (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 July 2025
- Last confirmation statement
- 1 August 2026
Filing notes for civil engineering contractors
Civil engineering contractors usually carry plant and machinery, so capital allowances (the annual investment allowance and the main pool) do much of the work in the corporation tax computation.
Similar companies in Rochdale
Other active civil engineering contractors registered in Rochdale.
- Smithedge Construction Services Ltd2007
- Thanushi Ltd2023
- The Driveway Medic (UK) Limited2007
- Unique Network Solutions Ltd2019
- W Haboc Property Maintenance & Services Ltd2026
- Wes Civils Ltd2026
- All in One Utilities Ltd2025
- At Contracting Consultants Ltd2026
All civil engineering contractors in Rochdale · All trades in Rochdale · Civil engineering across the UK
Frequently asked questions
When are SDP Engineering Limited's accounts due?
SDP Engineering Limited's next accounts are due at Companies House by 30 April 2027 (in 200 days), covering the period to 31 July 2026.
When is SDP Engineering Limited's CT600 due?
The CT600 for the period to 31 July 2026 is due at HMRC by 31 July 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 May 2027.
Is SDP Engineering Limited still trading?
SDP Engineering 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 SDP Engineering Limited do?
SDP Engineering Limited is registered under Construction of other civil engineering projects n.e.c. (SIC 42990).
How old is SDP Engineering Limited?
SDP Engineering Limited was incorporated on 20 August 2015, 11 years ago.
What is the penalty if SDP Engineering 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 SDP Engineering 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.