- Companies
- Civil engineering
- Westcliff-on-Sea
- R N S Mechanical Engineering Limited
R N S Mechanical Engineering Limited
- Company number
- 04515492
- Incorporated
- 20 Aug 200224 years trading
- Registered office
- 114 Hamlet Court Road, Westcliff-on-Sea, Essex, SS0 7LP
- Nature of business
- Construction of other civil engineering projects n.e.c.
R N S Mechanical Engineering Limited is a 24-year-old private limited company registered in Westcliff-on-Sea, company number 04515492, one of 5 civil engineering contractors in Westcliff-on-Sea. 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.
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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 £16K (-115.6%) on the year before, to -£2,189.
- Net assets rose in 5 of 9 year-on-year comparisons on record.
- Current assets of £60K against £64K owed within a year: 0.9 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- 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 | -£2,189 | £19 | £60K | £64K | 0 |
| 31 Jul 2024 | £14K | £699 | £45K | £36K | 0 |
| 31 Jul 2023 | £36K | £23K | £64K | £35K | 0 |
| 31 Jul 2022 | £50K | £17K | £90K | £50K | 0 |
| 31 Jul 2021 | £43K | £23K | £68K | £28K | 0 |
| 31 Jul 2020 | £36K | £31K | £70K | £39K | 0 |
| 31 Jul 2019 | £12K | £6,754 | £54K | £47K | 1 |
| 31 Jul 2018 | £38K | £22K | £66K | £31K | 1 |
| 31 Jul 2017 | £32K | £1,122 | £46K | £21K | 2 |
| 31 Jul 2016 | £22K | £9,321 | £75K | £84K | 3 |
Where R N S Mechanical Engineering Limited is registered
The registered office is in Westcliff-on-Sea (SS0), in the Southend-on-Sea local authority area, East of England. Show SS0 7LP on a map.
Other trade companies in SS0
- B&P Property Holdings LimitedBuilders
- Stan Electrical LtdElectricians
- DJJ Consulting LimitedCleaning companies
- Nadree Builders LtdBuilders
- Estuary Groundworks LimitedBuilders
- Thake Property Group LtdFinishing trades
- Anuk LtdBuilders
- Nela Roxana Ciurea LtdCleaning companies
Also registered at this address
12 other companies use the same registered office as R N S Mechanical Engineering Limited.
- A & P Services Essex LtdPlumbers and heating engineers
- A I E Industrial Engineering LimitedPlumbers and heating engineers
- East Ocean Builders LimitedSpecialist contractors
- J Y Building LimitedInstallers
- JC Prime Plumbing and Heating LimitedPlumbers and heating engineers
- Low & Co UK LimitedMotor traders
- Peartree Services LimitedLandscapers and gardeners
- Tranworks LimitedMechanics and garages
- Udl Construction Technologies (UK) LimitedProperty developers
- Venture Court Freehold LimitedProperty developers
- W & Y Building LimitedInstallers
- Wang Yx LimitedInstallers
What happens if R N S Mechanical 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
- 04515492
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 20 August 2002 (24 years ago)
- Registered office
- 114 Hamlet Court Road, Westcliff-on-Sea, Essex, SS0 7LP
- Nature of business
- Construction of other civil engineering projects n.e.c. (SIC 42990)
- Year end
- 31 July (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 July 2025
- Last confirmation statement
- 10 February 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 Westcliff-on-Sea
Other active civil engineering contractors registered in Westcliff-on-Sea.
- TW Utility Services Limited2015
- Atlas House Consultancy Ltd2004
- Maddison Water Hygiene Limited2020
- Modern Engineering and Design Ltd2020
All civil engineering contractors in Westcliff-on-Sea · All trades in Westcliff-on-Sea · Civil engineering across the UK
Frequently asked questions
When are R N S Mechanical Engineering Limited's accounts due?
R N S Mechanical Engineering Limited's next accounts are due at Companies House by 30 April 2027 (in 199 days), covering the period to 31 July 2026.
When is R N S Mechanical 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 R N S Mechanical Engineering Limited still trading?
R N S Mechanical 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 R N S Mechanical Engineering Limited do?
R N S Mechanical Engineering Limited is registered under Construction of other civil engineering projects n.e.c. (SIC 42990).
How old is R N S Mechanical Engineering Limited?
R N S Mechanical Engineering Limited was incorporated on 20 August 2002, 24 years ago.
What is the penalty if R N S Mechanical 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 R N S Mechanical 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.