- Companies
- Civil engineering
- Haverfordwest
- Dalziel Construction Limited
Dalziel Construction Limited
- Company number
- 10650403
- Incorporated
- 3 Mar 20179 years trading
- Registered office
- Hedffan, Clarbeston Road, Haverfordwest, Pembrokeshire, SA63 4QH
- Nature of business
- Construction of other civil engineering projects n.e.c.
Dalziel Construction Limited is a 9-year-old private limited company registered in Haverfordwest, company number 10650403, one of 14 civil engineering contractors in Haverfordwest. Its next accounts are due at Companies House on 30 December 2026, and the CT600 for the period to 30 March 2026 is due at HMRC on 30 March 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 £50K (+128.5%) on the year before, to £11K.
- Net assets rose in 2 of 7 year-on-year comparisons on record.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 8 years, 2018 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Mar 2025 | £11K | £468 | 0 | ||
| 31 Mar 2024 | -£39K | £54K | 0 | ||
| 31 Mar 2023 | -£32K | £428 | £36K | 0 | |
| 31 Mar 2022 | -£24K | £203 | £203 | £30K | 0 |
| 31 Mar 2021 | -£2,158 | £790 | £3,643 | £17K | 0 |
| 31 Mar 2020 | £978 | £1,875 | 0 | ||
| 31 Mar 2019 | £2,555 | £2,853 | £298 | ||
| 31 Mar 2018 | £10 | £298 | £8,895 | £8,885 |
Where Dalziel Construction Limited is registered
The registered office is in Haverfordwest (SA63), in the Pembrokeshire local authority area, Wales. Show SA63 4QH on a map.
Other trade companies in SA63
- Emyr Evans Construction LimitedBuilders
- Rowan Electrical Services LimitedElectricians
- TJB Electricals LtdElectricians
- Le Breton Engineering LimitedMachinery repair and installation
What happens if Dalziel Construction 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 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 31 Dec 2026 to 30 Jan 2027 | £150 |
| 1 to 3 months late | 31 Jan 2027 to 30 Mar 2027 | £375 |
| 3 to 6 months late | 31 Mar 2027 to 30 Jun 2027 | £750 |
| More than 6 months late | From 1 Jul 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 31 Mar 2027 | £200 |
| 3 months late | 30 Jun 2027 | another £200 |
| 6 months late | 30 Sep 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Mar 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
- 10650403
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 3 March 2017 (9 years ago)
- Registered office
- Hedffan, Clarbeston Road, Haverfordwest, Pembrokeshire, SA63 4QH
- Nature of business
- Construction of other civil engineering projects n.e.c. (SIC 42990)
- Year end
- 30 March (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 March 2025
- Last confirmation statement
- 7 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 Haverfordwest
Other active civil engineering contractors registered in Haverfordwest.
- J B & Son Civil Engineering Limited2021
- Jon Clark Photography Limited2018
- KPR Construction Ltd2023
- L L Welding Services Ltd2015
- NSP Management Solutions Ltd2024
- PFC Properties Cymru Ltd2016
- Southline Infrastructure Ltd2026
- TW Inspection Contracts Ltd2014
All civil engineering contractors in Haverfordwest · All trades in Haverfordwest · Civil engineering across the UK
Frequently asked questions
When are Dalziel Construction Limited's accounts due?
Dalziel Construction Limited's next accounts are due at Companies House by 30 December 2026 (in 79 days), covering the period to 30 March 2026.
When is Dalziel Construction Limited's CT600 due?
The CT600 for the period to 30 March 2026 is due at HMRC by 30 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 31 December 2026.
Is Dalziel Construction Limited still trading?
Dalziel Construction 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 Dalziel Construction Limited do?
Dalziel Construction Limited is registered under Construction of other civil engineering projects n.e.c. (SIC 42990).
How old is Dalziel Construction Limited?
Dalziel Construction Limited was incorporated on 3 March 2017, 9 years ago.
What is the penalty if Dalziel Construction 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 Dalziel Construction 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.