- Companies
- Groundworks and demolition
- Maidenhead
- J Harmes Demolition Limited
J Harmes Demolition Limited
- Company number
- 05730789
- Incorporated
- 6 Mar 200620 years trading
- Registered office
- 2 Lake End Court Taplow Road, Taplow, Maidenhead, Berkshire, SL6 0JQ
- Nature of business
- Site preparation
J Harmes Demolition Limited is a 20-year-old private limited company registered in Maidenhead, company number 05730789, one of 5 groundworks and demolition companies in Maidenhead. Its next accounts are due at Companies House on 31 December 2026, and the CT600 for the period to 31 March 2026 is due at HMRC on 31 March 2027.
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 J Harmes Demolition 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 down £18K (-7.8%) on the year before, to £211K.
- Net assets rose in 5 of 9 year-on-year comparisons on record.
- Current assets of £551K against £340K owed within a year: 1.6 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 10 years, 2016 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2025 | £211K | £5,316 | £551K | £340K | 0 |
| 31 Mar 2024 | £229K | £54K | £544K | £306K | 9 |
| 31 Mar 2023 | £289K | £95K | £686K | £379K | 9 |
| 31 Mar 2022 | £255K | £116K | £600K | £318K | 9 |
| 31 Mar 2021 | £234K | £139K | £361K | £90K | 8 |
| 31 Mar 2020 | £231K | £58K | £358K | £127K | 11 |
| 31 Mar 2019 | £274K | £114K | £462K | £189K | 12 |
| 31 Mar 2018 | £261K | £94K | £534K | £274K | 13 |
| 31 Mar 2017 | £191K | £219K | £730K | £539K | 12 |
| 31 Mar 2016 | £192K | £124K | £509K | £317K |
Where J Harmes Demolition Limited is registered
The registered office is in Maidenhead (SL6), in the Buckinghamshire local authority area, South East. Show SL6 0JQ on a map.
Other trade companies in SL6
- B&M Cleaning Solutions LtdCleaning companies
- CC Garden Builds LtdBuilders
- Austin Groundwork Surfaces LimitedGroundworks and demolition
- Woodnest Interiors LtdJoiners and carpenters
- Carizmatic Company LimitedMotor traders
- Sakura Electrical LtdElectricians
- Elite Autos & Tyres LtdMotor traders
- Bigfrith End LtdSpecialist contractors
Also registered at this address
22 other companies use the same registered office as J Harmes Demolition Limited.
- A Knight Services LimitedFacilities management
- Ac Spires Engineering LimitedCivil engineering
- Approved Paving and Resin LimitedSpecialist contractors
- Bower Facilities LimitedLandscapers and gardeners
- Cabin Climate Control LimitedPlumbers and heating engineers
- Claridge Engineering LimitedSpecialist contractors
- Cube4 LimitedBuilders
- Demir Utility Group LimitedElectricians
- F T E Autos LimitedMotor traders
- Fourfor2 LimitedMotor traders
- Hopewell Housing Developments LimitedProperty developers
- J P Design LimitedBuilders
- J S Leisure Vehicles LimitedMotor traders
- JBW Carpentry Ltd.Specialist contractors
- Macdonald Plumbing and Heating Services LimitedPlumbers and heating engineers
- Niche Real Estate (UK) LtdBuilders
- Ruri Properties LtdProperty developers
- S B Cook Electrical Contractors LimitedElectricians
- SGW Services LimitedPlasterers
- T.S. Property Maintenance Contractors LimitedInstallers
- Torus Renovations LtdFinishing trades
- Uber Cool LtdPlumbers and heating engineers
What happens if J Harmes Demolition 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 31 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2027 to 31 Jan 2027 | £150 |
| 1 to 3 months late | 1 Feb 2027 to 31 Mar 2027 | £375 |
| 3 to 6 months late | 1 Apr 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 | 1 Apr 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 | 31 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
- 05730789
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 6 March 2006 (20 years ago)
- Registered office
- 2 Lake End Court Taplow Road, Taplow, Maidenhead, Berkshire, SL6 0JQ
- Nature of business
- Site preparation (SIC 43120)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 21 March 2026
- Charges (mortgages)
- 1 outstanding of 4 registered
- Previous names
- J Harmes Limited (until 23 Feb 2012)
Filing notes for groundworks and demolition companies
Groundworks and demolition companies tend to own heavy plant, so capital allowances and hire purchase liabilities show up in both the accounts and the CT600.
Similar companies in Maidenhead
Other active groundworks and demolition companies registered in Maidenhead.
- Stump Pro Ltd2020
- Austin Groundwork Surfaces Limited2026
- Dart Group Ltd2022
- Ddgroundworks Construction Ltd2015
All groundworks and demolition companies in Maidenhead · All trades in Maidenhead · Groundworks and demolition across the UK
Frequently asked questions
When are J Harmes Demolition Limited's accounts due?
J Harmes Demolition Limited's next accounts are due at Companies House by 31 December 2026 (in 79 days), covering the period to 31 March 2026.
When is J Harmes Demolition Limited's CT600 due?
The CT600 for the period to 31 March 2026 is due at HMRC by 31 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2027.
Is J Harmes Demolition Limited still trading?
J Harmes Demolition 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 J Harmes Demolition Limited do?
J Harmes Demolition Limited is registered under Site preparation (SIC 43120).
How old is J Harmes Demolition Limited?
J Harmes Demolition Limited was incorporated on 6 March 2006, 20 years ago.
What is the penalty if J Harmes Demolition 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 J Harmes Demolition 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.