- Companies
- Civil engineering
- Carlisle
- DWT Rail Limited
DWT Rail Limited
- Company number
- 08465397
- Incorporated
- 28 Mar 201313 years trading
- Registered office
- Dalmar House Barras Lane Estate, Dalston, Carlisle, CA5 7NY
- Nature of business
- Construction of other civil engineering projects n.e.c.
DWT Rail Limited is a 13-year-old private limited company registered in Carlisle, company number 08465397, one of 48 civil engineering contractors in Carlisle. 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 £52K (+88%) on the year before, to £111K.
- Net assets rose in 5 of 9 year-on-year comparisons on record.
- Current assets of £82K against £85K owed within a year: 1.0 times cover.
- 1 employee on average during the year.
- 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 Aug 2025 | £111K | £82K | £85K | 1 | |
| 31 Aug 2024 | £59K | £82K | £98K | 1 | |
| 31 Aug 2023 | £1,135 | £112K | £120K | 1 | |
| 31 Aug 2022 | £1,557 | £118K | £110K | 2 | |
| 31 Aug 2021 | £546 | £71K | £87K | 2 | |
| 31 Aug 2020 | £6,601 | £36K | £28K | 2 | |
| 31 Aug 2019 | £19K | £3,334 | £33K | ||
| 31 Aug 2018 | £1,033 | £34K | £54K | ||
| 31 Aug 2017 | £29K | £35K | £29K | ||
| 31 Aug 2016 | -£2,966 | £35 | £35 | £20K |
Where DWT Rail Limited is registered
The registered office is in Carlisle (CA5), in the Cumberland local authority area, North West. Show CA5 7NY on a map.
Other trade companies in CA5
- First Plumbing Services LimitedPlumbers and heating engineers
- System Developments LtdProperty developers
- Skyden Roof Tents LtdMotor traders
- Gateway Cars (Carlisle) LtdMotor traders
- Perfect Civils & Groundwork LimitedCivil engineering
- B Lee Developments LimitedProperty developers
- Stone Circle Developments Cumbria LimitedProperty developers
- Prestige Wheels (Carlisle) LimitedMechanics and garages
Also registered at this address
18 other companies use the same registered office as DWT Rail Limited.
- B Lee Developments LimitedProperty developers
- C K Steelwork & Cladding LimitedBuilders
- Ceynac Developments LtdProperty developers
- Cumbria Agricultural Construction LtdFinishing trades
- G & D Lawson Plumbing & Heating LimitedPlumbers and heating engineers
- Gateway Cars (Carlisle) LtdMotor traders
- Heath Construction (Cumbria) LimitedBuilders
- Kirk and Stone Construction LtdBuilders
- Mallinson Fabrications LimitedSpecialist contractors
- Matchaward LimitedProperty developers
- Morton Garden Buildings LtdSpecialist contractors
- Paul Douglas General Building & Groundworks LimitedFinishing trades
- Perfect Civils & Groundwork LimitedCivil engineering
- Skyden Roof Tents LtdMotor traders
- Stone Circle Developments Cumbria LimitedProperty developers
- Syke Road Garage LimitedMechanics and garages
- System Developments LtdProperty developers
- Welton Construction and Contracting LimitedBuilders
What happens if DWT Rail 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 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
- 08465397
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 28 March 2013 (13 years ago)
- Registered office
- Dalmar House Barras Lane Estate, Dalston, Carlisle, CA5 7NY
- Nature of business
- Construction of other civil engineering projects n.e.c. (SIC 42990)
- Year end
- 31 August (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 August 2025
- Last confirmation statement
- 28 March 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 Carlisle
Other active civil engineering contractors registered in Carlisle.
- Fulton Electrical Services Limited2023
- GB Groundworks Ltd2026
- Heam Court Properties and Management Limited2025
- Irving Builders Limited2006
- JF Smith Engineering Limited2011
- JRB Contracting Ltd2025
- Leeds South Esco Limited2026
- Leeds South Heat Network Limited2026
All civil engineering contractors in Carlisle · All trades in Carlisle · Civil engineering across the UK
Frequently asked questions
When are DWT Rail Limited's accounts due?
DWT Rail Limited's next accounts are due at Companies House by 31 May 2027 (in 231 days), covering the period to 31 August 2026.
When is DWT Rail Limited'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 DWT Rail Limited still trading?
DWT Rail 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 DWT Rail Limited do?
DWT Rail Limited is registered under Construction of other civil engineering projects n.e.c. (SIC 42990).
How old is DWT Rail Limited?
DWT Rail Limited was incorporated on 28 March 2013, 13 years ago.
What is the penalty if DWT Rail 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 DWT Rail 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.