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- SDB Electrical Services Limited
Company profile · Electricians
SDB Electrical Services Limited
SDB Electrical Services Limited is a 7-year-old private limited company registered in Gravesend, company number 11721205, one of 121 electrical contractors in Gravesend. Its next accounts are due at Companies House on 30 September 2027, and the CT600 for the period to 31 December 2026 is due at HMRC on 31 December 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Financial snapshot, 2025
From the balance sheet at 31 December 2025, as filed at Companies House.
SDB Electrical 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 down £35 (-25.9%) on the year before, to £100.
- Net assets rose in 3 of 6 year-on-year comparisons on record.
- Current assets of £12K against £11K owed within a year: 1.1 times cover.
- 2 employees on average during the year.
- Balance sheets on record for 7 years, 2019 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Dec 2025 | £100 | £12K | £11K | 2 | |
| 31 Dec 2024 | £135 | £14K | £13K | 2 | |
| 31 Dec 2023 | £850 | £15K | £13K | 2 | |
| 31 Dec 2022 | £592 | £5,956 | £5,530 | 2 | |
| 31 Dec 2021 | £14K | £29K | £16K | 1 | |
| 31 Dec 2020 | £12K | £26K | £13K | 1 | |
| 31 Dec 2019 | £9,312 | £9,311 | 0 |
Where SDB Electrical Services Limited is registered
The registered office is in Gravesend (DA12), in the Gravesham local authority area, South East. Show DA12 1EY on a map.
Other trade companies in DA12
- Kirkdale Construction Maintenance LimitedProperty developers
- Mech Elec LtdSpecialist contractors
- Ground Forces Construct LtdBuilders
- XL@Cleaning LimitedCleaning companies
- Signature Group Air Conditioning LtdPlumbers and heating engineers
- VS Sekhon LtdFloor and wall tilers
- Kapoor Construction LtdBuilders
- Double D Maintain LtdSpecialist contractors
Shared registered office
195 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 SDB Electrical 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 30 September 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Oct 2027 to 31 Oct 2027 | £150 |
| 1 to 3 months late | 1 Nov 2027 to 31 Dec 2027 | £375 |
| 3 to 6 months late | 1 Jan 2028 to 31 Mar 2028 | £750 |
| More than 6 months late | From 1 Apr 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jan 2028 | £200 |
| 3 months late | 31 Mar 2028 | another £200 |
| 6 months late | 30 Jun 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Dec 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
- 11721205
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 11 December 2018 (7 years ago)
- Registered office
- 142-143 Parrock Street, Gravesend, Kent, DA12 1EY
- Nature of business
- Electrical installation (SIC 43210)
- Year end
- 31 December (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 December 2025
- Last confirmation statement
- 10 December 2025
Filing notes for electrical contractors
Electrical contracting companies are often a director plus a van and tools. Most fall within the micro-entity rules, so the accounts filed at Companies House are short, and the CT600 carries the tax detail.
Similar companies in Gravesend
Other active electrical contractors registered in Gravesend.
- Select Building Services Limited2006
- Seymour Electrical Services Ltd2015
- Sigma Building Services Limited2000
- Signature Electrics London Ltd2026
- SP Jointing Services Limited2024
- SR Hills Electrical Services Ltd2009
- Sustainable Power Solutions Ltd2022
- Symmetry Group Limited2025
All electrical contractors in Gravesend · All trades in Gravesend · Electricians across the UK
Frequently asked questions
When are SDB Electrical Services Limited's accounts due?
SDB Electrical Services Limited's next accounts are due at Companies House by 30 September 2027 (in 353 days), covering the period to 31 December 2026.
When is SDB Electrical Services Limited's CT600 due?
The CT600 for the period to 31 December 2026 is due at HMRC by 31 December 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 October 2027.
Is SDB Electrical Services Limited still trading?
SDB Electrical 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 SDB Electrical Services Limited do?
SDB Electrical Services Limited is registered under Electrical installation (SIC 43210).
How old is SDB Electrical Services Limited?
SDB Electrical Services Limited was incorporated on 11 December 2018, 7 years ago.
What is the penalty if SDB Electrical 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 SDB Electrical 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.