- Companies
- Electricians
- Doncaster
- DT Developments ( Yorkshire) Ltd
DT Developments ( Yorkshire) Ltd
- Company number
- 12728511
- Incorporated
- 8 Jul 20206 years trading
- Registered office
- 10 Railway Court, Doncaster, DN4 5FB
- Nature of business
- Electrical installation
DT Developments ( Yorkshire) Ltd is a 6-year-old private limited company registered in Doncaster, company number 12728511, one of 215 electrical contractors in Doncaster. 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 up £2,350 (+4.3%) on the year before, to -£52K.
- Net assets rose in 2 of 4 year-on-year comparisons on record.
- Current assets of £22K against £81K owed within a year: 0.3 times cover.
- 1 employee on average, up from 0 the year before.
- Balance sheets on record for 5 years, 2021 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Jul 2025 | -£52K | £22K | £81K | 1 | |
| 31 Jul 2024 | -£54K | £24K | £85K | 0 | |
| 31 Jul 2023 | -£8,171 | £33K | £42K | 1 | |
| 31 Jul 2022 | -£8,439 | £573 | £13K | 1 | |
| 31 Jul 2021 | -£4,950 | £10K | £15K | 1 |
Where DT Developments ( Yorkshire) Ltd is registered
The registered office is in Doncaster (DN4), in the Doncaster local authority area, Yorkshire and The Humber. Show DN4 5FB on a map.
Other trade companies in DN4
- Krishtal Cleaning LtdCleaning companies
- Regional Services & Maintenance LtdElectricians
- Kristan Carr E&M LimitedElectricians
- Brookes Home and Heating LtdBuilders
- 1ST Ground Construction Management Services LtdProperty developers
- Speedy Transport Doncaster LtdMechanics and garages
- Team Clean Group Commercial LtdCleaning companies
- Veridian Guard LtdInstallers
Also registered at this address
5 other companies use the same registered office as DT Developments ( Yorkshire) Ltd.
- Danum Air Conditioning and Refrigeration LtdMachinery repair and installation
- DT Estates (Yorkshire) LtdProperty developers
- J & M Fireplace Fitters LtdSpecialist contractors
- Paul Brookes LtdPlumbers and heating engineers
- T Williams Joinery LimitedJoiners and carpenters
What happens if DT Developments ( Yorkshire) 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 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
- 12728511
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 8 July 2020 (6 years ago)
- Registered office
- 10 Railway Court, Doncaster, DN4 5FB
- Nature of business
- Electrical installation (SIC 43210)
- Year end
- 31 July (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 July 2025
- Last confirmation statement
- 28 November 2025
- Previous names
- D R Taylor Ltd (until 20 Jul 2023)
Treu Civil Engineering Ltd (until 3 Nov 2022)
Treu Smart Civil Engineering Ltd (until 1 Oct 2021)
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 Doncaster
Other active electrical contractors registered in Doncaster.
- Eco Power Solar Energy Limited2025
- Ecopower Electrical Services Ltd2026
- Ecotech Ups Ltd2023
- Ecovolt Solar Installations Ltd2025
- Ekko Instal Ltd2019
- El-City Ltd.2020
- Electrical Consulting Services Ltd2026
- Electrical Solution Services Limited2019
All electrical contractors in Doncaster · All trades in Doncaster · Electricians across the UK
Frequently asked questions
When are DT Developments ( Yorkshire) Ltd's accounts due?
DT Developments ( Yorkshire) Ltd's next accounts are due at Companies House by 30 April 2027 (in 200 days), covering the period to 31 July 2026.
When is DT Developments ( Yorkshire) Ltd'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 DT Developments ( Yorkshire) Ltd still trading?
DT Developments ( Yorkshire) 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 DT Developments ( Yorkshire) Ltd do?
DT Developments ( Yorkshire) Ltd is registered under Electrical installation (SIC 43210).
How old is DT Developments ( Yorkshire) Ltd?
DT Developments ( Yorkshire) Ltd was incorporated on 8 July 2020, 6 years ago.
What is the penalty if DT Developments ( Yorkshire) 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 DT Developments ( Yorkshire) 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.