- Companies
- Installers
- Harrow
- Maintenance Doctor Ltd
Maintenance Doctor Ltd
- Company number
- 16774625
- Incorporated
- 9 Oct 20251 year trading
- Registered office
- 60 Winkley Court, Eastcote Lane, Harrow, HA2 8RT
- Nature of business
- Other construction installation
Maintenance Doctor Ltd is a 1-year-old private limited company registered in Harrow, company number 16774625, one of 130 installation companies (insulation, lifts, shutters and similar) in Harrow. Its next accounts are due at Companies House on 9 July 2027, and its first CT600 is due at HMRC on 8 October 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.
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Where Maintenance Doctor Ltd is registered
The registered office is in Harrow (HA2), in the Harrow local authority area, London. Show HA2 8RT on a map.
Other trade companies in HA2
- KJP Engineering LtdElectricians
- JNJ Engineering LimitedCivil engineering
- Notting Hill Sew LtdRepair services
- Grandwellautos LtdMotor traders
- Multisteel Powdercoating LtdPainters and decorators
- Neon Systems LtdElectricians
- Firstclass Facilities LtdCleaning companies
- PMD Construct LtdBuilders
Also registered at this address
2 other companies use the same registered office as Maintenance Doctor Ltd.
- Offshore Task Accounting Services LimitedCleaning companies
- Property Maintenance and Services LimitedPlumbers and heating engineers
What happens if Maintenance Doctor 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 9 July 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 10 Jul 2027 to 9 Aug 2027 | £150 |
| 1 to 3 months late | 10 Aug 2027 to 9 Oct 2027 | £375 |
| 3 to 6 months late | 10 Oct 2027 to 9 Jan 2028 | £750 |
| More than 6 months late | From 10 Jan 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Nov 2027 | £200 |
| 3 months late | 31 Jan 2028 | another £200 |
| 6 months late | 30 Apr 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Oct 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
- 16774625
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 9 October 2025 (1 year ago)
- Registered office
- 60 Winkley Court, Eastcote Lane, Harrow, HA2 8RT
- Nature of business
- Other construction installation (SIC 43290)
- Year end
- 31 October (accounting reference date)
- Accounts type
- No accounts filed yet
Filing notes for installation companies (insulation, lifts, shutters and similar)
Installation companies (insulation, lifts, shutters, solar and similar) often buy stock and equipment up front, so stock at the year end and capital allowances both affect the tax bill.
Similar companies in Harrow
Other active installation companies (insulation, lifts, shutters and similar) registered in Harrow.
- Matart Ltd2021
- Mba First Step Ltd2014
- Mce.London Limited2021
- MM Building Solutions Ltd2023
- Necula Ltd2014
- Northgate Developments Limited2023
- Novaklad Install Services Limited2019
- Nupogody Ltd2021
All installation companies (insulation, lifts, shutters and similar) in Harrow · All trades in Harrow · Installers across the UK
Frequently asked questions
When are Maintenance Doctor Ltd's accounts due?
Maintenance Doctor Ltd's next accounts are due at Companies House by 9 July 2027 (in 269 days), covering the period to 31 October 2026.
When is Maintenance Doctor 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 8 October 2026, due by 8 October 2027, and one for the period to 31 October 2026, due by 31 October 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Maintenance Doctor Ltd still trading?
Maintenance Doctor 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 Maintenance Doctor Ltd do?
Maintenance Doctor Ltd is registered under Other construction installation (SIC 43290).
How old is Maintenance Doctor Ltd?
Maintenance Doctor Ltd was incorporated on 9 October 2025, 1 year ago.
What is the penalty if Maintenance Doctor 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 Maintenance Doctor 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.