- Companies
- Groundworks and demolition
- Southwick
- Dorton Demolition and Excavation Limited
Dorton Demolition and Excavation Limited
- Company number
- 02678134
- Incorporated
- 16 Jan 199234 years trading
- Registered office
- Bank House, Southwick Square, Southwick, West Sussex, BN42 4FB
- Nature of business
- Demolition
Dorton Demolition and Excavation Limited is a 34-year-old private limited company registered in Southwick, company number 02678134, one of the UK's groundworks and demolition companies. Its next accounts are due at Companies House on 31 October 2027, and the CT600 for the period to 31 January 2027 is due at HMRC on 31 January 2028.
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 Dorton Demolition and Excavation 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 down £1,828 (-0%) on the year before, to £3.7M.
- Net assets rose in 6 of 9 year-on-year comparisons on record.
- Current assets of £3.2M against £388K owed within a year: 8.2 times cover.
- 14 employees on average during the year.
- Balance sheets on record for 10 years, 2016 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Jan 2026 | £3.7M | £2.7M | £3.2M | £388K | 14 |
| 31 Jan 2025 | £3.7M | £2.9M | £3.6M | £960K | 14 |
| 31 Jul 2023 | £3.5M | £2.4M | £2.8M | £614K | 14 |
| 31 Jul 2022 | £3.8M | £2.5M | £2.9M | £571K | 14 |
| 31 Jul 2021 | £3.5M | £2.6M | £2.7M | £602K | 14 |
| 31 Jul 2020 | £3.1M | £2.1M | £2.5M | £745K | 14 |
| 31 Jul 2019 | £2.9M | £1.9M | £2.1M | £459K | 18 |
| 31 Jul 2018 | £2.7M | £1.5M | £2M | £615K | 18 |
| 31 Jan 2017 | £2.4M | £1.1M | £1.8M | £836K | 22 |
| 31 Jan 2016 | £2.6M | £1.2M | £1.6M | £942K |
Public contracts won
Dorton Demolition and Excavation Limited has 6 public sector contract awards on record; the ones with their own published value total £1.7M, from 2019 to 2023. Source: Contracts Finder and Find a Tender award notices. 4 of these were matched by the company's exact name because the notice gave no company number.
Awards by year
Main buyers
- Brighton & Hove City Council2 awards
- Rother District Council1 award
- University of Brighton1 award
- West Sussex County Council1 award
- SE Shared Services1 award
| Buyer | Contract | Value | Awarded |
|---|---|---|---|
| Brighton & Hove City Council | BHCC - RS - Royal Albion Hotel Emergency Demolition | £500K | 1 Aug 2023 |
| Brighton & Hove City Council | Royal Albion Hotel Emergency Demolition | £500K | 31 Jul 2023 |
| Rother District Council | ESPH SB King Offa Demolition (ESPH564) - AWARD | £69K | 4 Apr 2023 |
| University of Brighton | Mithras House - Soft Strip Out and Enabling Works - AWARD | £417K | 28 Jun 2022 |
| West Sussex County Council | WSCC - F&G - Elms Farm Demolition 2019 - AWARD | £33K | 1 Jul 2019 |
| SE Shared Services | ESPH TW Wainwright Road Demolition (ESPH300 TI) - AWARD | £230K | 10 May 2019 |
Where Dorton Demolition and Excavation Limited is registered
The registered office is in Southwick (BN42), in the Adur local authority area, South East. Show BN42 4FB on a map.
Other trade companies in BN42
- GWS Paving LtdSpecialist contractors
- Ashcroft Kitchens LtdJoiners and carpenters
- Hilton Controls LtdElectricians
- Farrell Construction (Sussex) LtdBuilders
- D&C Interior Systems LtdPlasterers
- T. Laver Flooring LimitedFloor and wall tilers
- J.Cole Homes LtdPlumbers and heating engineers
- Boss Carpet Cleaning LtdCleaning companies
What happens if Dorton Demolition and Excavation 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 October 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Nov 2027 to 30 Nov 2027 | £150 |
| 1 to 3 months late | 1 Dec 2027 to 31 Jan 2028 | £375 |
| 3 to 6 months late | 1 Feb 2028 to 30 Apr 2028 | £750 |
| More than 6 months late | From 1 May 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Feb 2028 | £200 |
| 3 months late | 30 Apr 2028 | another £200 |
| 6 months late | 31 Jul 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jan 2029 | 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
- 02678134
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 16 January 1992 (34 years ago)
- Registered office
- Bank House, Southwick Square, Southwick, West Sussex, BN42 4FB
- Nature of business
- Demolition (SIC 43110)
- Year end
- 31 January (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 January 2026
- Last confirmation statement
- 16 January 2026
- Charges (mortgages)
- 0 outstanding of 1 registered
Filing notes for groundworks and demolition companies
Groundworks and demolition companies tend to own heavy plant, so capital allowances and hire purchase liabilities show up in both the accounts and the CT600.
Similar companies in Southwick
Other active groundworks and demolition companies registered in Southwick.
- Dde (SW) Limited2004
All groundworks and demolition companies in Southwick · All trades in Southwick · Groundworks and demolition across the UK
Frequently asked questions
When are Dorton Demolition and Excavation Limited's accounts due?
Dorton Demolition and Excavation Limited's next accounts are due at Companies House by 31 October 2027 (in 383 days), covering the period to 31 January 2027.
When is Dorton Demolition and Excavation Limited's CT600 due?
The CT600 for the period to 31 January 2027 is due at HMRC by 31 January 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 November 2027.
Is Dorton Demolition and Excavation Limited still trading?
Dorton Demolition and Excavation 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 Dorton Demolition and Excavation Limited do?
Dorton Demolition and Excavation Limited is registered under Demolition (SIC 43110).
How old is Dorton Demolition and Excavation Limited?
Dorton Demolition and Excavation Limited was incorporated on 16 January 1992, 34 years ago.
Has Dorton Demolition and Excavation Limited won public sector contracts?
Yes. Dorton Demolition and Excavation Limited has 6 contract awards from public bodies on Contracts Finder and Find a Tender (those with their own published value total £1.7M), most recently from Brighton & Hove City Council.
What is the penalty if Dorton Demolition and Excavation 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 Dorton Demolition and Excavation 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.