- Companies
- Plumbers and heating engineers
- Letchworth Garden City
- D Allen Services Ltd
D Allen Services Ltd
- Company number
- 16893502
- Incorporated
- 5 Dec 2025
- Registered office
- 72 Glebe Road, Letchworth Garden City, SG6 1DR
- Nature of business
- Plumbing, heat and air-conditioning installation; Support activities to performing arts
D Allen Services Ltd is a newly incorporated private limited company registered in Letchworth Garden City, company number 16893502, one of 20 plumbing and heating companies in Letchworth Garden City. Its next accounts are due at Companies House on 5 September 2027, and its first CT600 is due at HMRC on 4 December 2027.
Key dates
This company has not filed accounts yet. First accounts are due 21 months after incorporation, and the first period can run longer than a year.
Is this your company?
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Where D Allen Services Ltd is registered
The registered office is in Letchworth Garden City (SG6), in the North Hertfordshire local authority area, East of England. Show SG6 1DR on a map.
Other trade companies in SG6
- Combined Auto Services LimitedMotor traders
- G.O.A.L Energy Services LtdElectricians
- Bedmond Construction LtdProperty developers
- Barski Property Care LtdBuilders
- PK Construction and Stones LimitedBuilders
- McCormack Maintenance LtdCivil engineering
- Nitdas Cleaning Solution LtdCleaning companies
- Nbtotalproperty LtdLandscapers and gardeners
What happens if D Allen Services 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 5 September 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 6 Sep 2027 to 5 Oct 2027 | £150 |
| 1 to 3 months late | 6 Oct 2027 to 5 Dec 2027 | £375 |
| 3 to 6 months late | 6 Dec 2027 to 5 Mar 2028 | £750 |
| More than 6 months late | From 6 Mar 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jan 2028 | £200 |
| 3 months late | 31 Mar 2028 | another £200 |
| 6 months late | 30 Jun 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Dec 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
- 16893502
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 5 December 2025
- Registered office
- 72 Glebe Road, Letchworth Garden City, SG6 1DR
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
Support activities to performing arts (SIC 90020) - Year end
- 31 December (accounting reference date)
- Accounts type
- No accounts filed yet
Filing notes for plumbing and heating companies
Plumbing and heating companies frequently work under CIS for main contractors and also directly for homeowners, so turnover can mix CIS and non-CIS income.
Similar companies in Letchworth Garden City
Other active plumbing and heating companies registered in Letchworth Garden City.
- DKH Underfloor Heating Consultants Ltd2007
- Emergency Plumbing Group 247 Limited2022
- Esa Plumbing & Heating Limited2024
- L B P Plumbing and Heating Limited2006
- Mto Ductwork Ltd2024
- SJC Plumbing & Heating Services Limited2019
- Taylored Plumbing Limited2006
- Treadaway Plumbing and Heating Limited2011
All plumbing and heating companies in Letchworth Garden City · All trades in Letchworth Garden City · Plumbers and heating engineers across the UK
Frequently asked questions
When are D Allen Services Ltd's accounts due?
D Allen Services Ltd's next accounts are due at Companies House by 5 September 2027 (in 328 days), covering the period to 31 December 2026.
When is D Allen Services Ltd's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 4 December 2026, due by 4 December 2027, and one for the period to 31 December 2026, due by 31 December 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is D Allen Services Ltd still trading?
D Allen Services 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 D Allen Services Ltd do?
D Allen Services Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220); Support activities to performing arts (SIC 90020).
How old is D Allen Services Ltd?
D Allen Services Ltd was incorporated on 5 December 2025, less than a year ago.
What is the penalty if D Allen Services 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 D Allen Services 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.