- Companies
- Electricians
- Eastbourne
- Coastal Mechanical Services Ltd
Coastal Mechanical Services Ltd
- Company number
- 13583697
- Incorporated
- 24 Aug 20215 years trading
- Registered office
- Archer House Britland Estate, Northbourne Road, Eastbourne, BN22 8PW
- Nature of business
- Electrical installation; Plumbing, heat and air-conditioning installation
Coastal Mechanical Services Ltd is a 5-year-old private limited company registered in Eastbourne, company number 13583697, one of 83 electrical contractors in Eastbourne. 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 up £4,550 (+4.7%) on the year before, to £101K.
- Net assets rose in 3 of 3 year-on-year comparisons on record.
- Current assets of £179K against £88K owed within a year: 2.0 times cover.
- 3 employees on average, up from 2 the year before.
- Balance sheets on record for 4 years, 2022 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Aug 2025 | £101K | £179K | £88K | 3 | |
| 31 Aug 2024 | £96K | £155K | £62K | 2 | |
| 31 Aug 2023 | £54K | £94K | £43K | 1 | |
| 31 Aug 2022 | £41K | £97K | £56K | 1 |
Where Coastal Mechanical Services Ltd is registered
The registered office is in Eastbourne (BN22), in the Eastbourne local authority area, South East. Show BN22 8PW on a map.
Other trade companies in BN22
- Vici Tagh LtdCivil engineering
- Smart Electrical & Renewables LtdElectricians
- Leaf Hall Motors LtdMechanics and garages
- Tessco LtdBuilders
- Ronax Construction LimitedBuilders
- Stenning Roofers LimitedRoofers
- Gripx LtdMotor traders
- Property Precision Paint LtdBuilders
Shared registered office
102 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 Coastal Mechanical Services 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
- 13583697
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 24 August 2021 (5 years ago)
- Registered office
- Archer House Britland Estate, Northbourne Road, Eastbourne, BN22 8PW
- Nature of business
- Electrical installation (SIC 43210)
Plumbing, heat and air-conditioning installation (SIC 43220) - Year end
- 31 August (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 August 2025
- Last confirmation statement
- 23 August 2026
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 Eastbourne
Other active electrical contractors registered in Eastbourne.
- Curtis Electrical Contractors Ltd2024
- D H Electrics Limited2010
- Dab Southern Limited2013
- Dann Electrical Services Ltd2020
- Denis Bonnici Electricians Limited2007
- Digital Sparky Limited2018
- DLF Consulting and Services Limited2011
- Do Electrical Services Ltd2015
All electrical contractors in Eastbourne · All trades in Eastbourne · Electricians across the UK
Frequently asked questions
When are Coastal Mechanical Services Ltd's accounts due?
Coastal Mechanical Services 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 Coastal Mechanical Services 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 Coastal Mechanical Services Ltd still trading?
Coastal Mechanical Services 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 Coastal Mechanical Services Ltd do?
Coastal Mechanical Services Ltd is registered under Electrical installation (SIC 43210); Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Coastal Mechanical Services Ltd?
Coastal Mechanical Services Ltd was incorporated on 24 August 2021, 5 years ago.
What is the penalty if Coastal Mechanical Services 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 Coastal Mechanical Services 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.