- Companies
- Plumbers and heating engineers
- Rickmansworth
- D Nagle Mechanical Limited
D Nagle Mechanical Limited
- Company number
- 10605470
- Incorporated
- 7 Feb 20179 years trading
- Registered office
- C/O Elco Accounting, 24 Church Street, Rickmansworth, Hertfordshire, WD3 1DD
- Nature of business
- Plumbing, heat and air-conditioning installation
D Nagle Mechanical Limited is a 9-year-old private limited company registered in Rickmansworth, company number 10605470, one of 22 plumbing and heating companies in Rickmansworth. Its next accounts are due at Companies House on 30 November 2027, and the CT600 for the period to 28 February 2027 is due at HMRC on 28 February 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 D Nagle Mechanical 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 up £12K (+24.3%) on the year before, to £62K.
- Net assets rose in 4 of 6 year-on-year comparisons on record.
- Current assets of £80K against £24K owed within a year: 3.3 times cover.
- 2 employees on average during the year.
- Balance sheets on record for 8 years, 2018 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 28 Feb 2026 | £62K | £68K | £80K | £24K | 2 |
| 28 Feb 2025 | £49K | £47K | £93K | £60K | 2 |
| 29 Feb 2024 | £73K | £57K | £65K | £10K | 2 |
| 28 Feb 2023 | £95K | £88K | £91K | £18K | 2 |
| 28 Feb 2022 | £90K | £94K | £34K | 2 | |
| 28 Feb 2021 | £86K | £119K | £25K | 2 | |
| 28 Feb 2020 | £79K | £98K | £39K | ||
| 28 Feb 2018 | £41K |
Where D Nagle Mechanical Limited is registered
The registered office is in Rickmansworth (WD3), in the Three Rivers local authority area, East of England. Show WD3 1DD on a map.
Other trade companies in WD3
- DB Roofing Services LtdRoofers
- Ijesha Real Estate LtdProperty developers
- Aa Estate Developers LtdProperty developers
- DW17 LimitedProperty developers
- Twelve Construct LtdProperty developers
- Mill End Motor Company LtdMotor traders
- Daf Construction Services LtdBuilders
- J&V Customs LtdMechanics and garages
Also registered at this address
17 other companies use the same registered office as D Nagle Mechanical Limited.
- Abacus Electrical LtdElectricians
- Aston Electrical LimitedElectricians
- B-A-R Electrical and Mechanical Services LimitedElectricians
- Barry McCarthy Building & Roofing LimitedFinishing trades
- Bearpark Homes LtdProperty developers
- Jakester Developments LimitedProperty developers
- MCC Structures LimitedSpecialist contractors
- Natural Elements UK LimitedLandscapers and gardeners
- PD Controls LimitedMachinery repair and installation
- R & W Plant Hire LimitedSpecialist contractors
- Rickmansworth Sports Cars LimitedMotor traders
- SBG Electrical LimitedElectricians
- Sewing Online LtdMachinery repair and installation
- Thirty Two Consulting LimitedMotor traders
- Trafalgar Development (UK) LimitedProperty developers
- Universal Civil Engineering Solutions LimitedCivil engineering
- Wright Builders LtdFinishing trades
What happens if D Nagle Mechanical 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 November 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Dec 2027 to 31 Dec 2027 | £150 |
| 1 to 3 months late | 1 Jan 2028 to 29 Feb 2028 | £375 |
| 3 to 6 months late | 1 Mar 2028 to 31 May 2028 | £750 |
| More than 6 months late | From 1 Jun 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 29 Feb 2028 | £200 |
| 3 months late | 28 May 2028 | another £200 |
| 6 months late | 28 Aug 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 28 Feb 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
- 10605470
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 7 February 2017 (9 years ago)
- Registered office
- C/O Elco Accounting, 24 Church Street, Rickmansworth, Hertfordshire, WD3 1DD
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 28 February (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 28 February 2026
- Last confirmation statement
- 6 February 2026
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 Rickmansworth
Other active plumbing and heating companies registered in Rickmansworth.
- Foley Plumbing Services Ltd2025
- G Rowe Plumbing & Heating Limited2010
- Gas Plus Heating Limited2015
- Heat Plus UK Gas Ltd2014
- Herts Emergency Plumbers 24/7 Ltd2024
- J Duffy Plumbing & Heating Limited2014
- J Service Ltd2001
- JDC Heating Ltd2018
All plumbing and heating companies in Rickmansworth · All trades in Rickmansworth · Plumbers and heating engineers across the UK
Frequently asked questions
When are D Nagle Mechanical Limited's accounts due?
D Nagle Mechanical Limited's next accounts are due at Companies House by 30 November 2027 (in 413 days), covering the period to 28 February 2027.
When is D Nagle Mechanical Limited's CT600 due?
The CT600 for the period to 28 February 2027 is due at HMRC by 28 February 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 December 2027.
Is D Nagle Mechanical Limited still trading?
D Nagle Mechanical 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 D Nagle Mechanical Limited do?
D Nagle Mechanical Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is D Nagle Mechanical Limited?
D Nagle Mechanical Limited was incorporated on 7 February 2017, 9 years ago.
What is the penalty if D Nagle Mechanical 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 D Nagle Mechanical 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.