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- Gilchrist Engineering Services Limited
Company profile · Plumbers and heating engineers
Gilchrist Engineering Services Limited
Gilchrist Engineering Services Limited is a 8-year-old private limited company registered in Harrow, company number 11601359, one of 154 plumbing and heating companies in Harrow. Its next accounts are due at Companies House on 31 July 2027, and the CT600 for the period to 31 October 2026 is due at HMRC on 31 October 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Financial snapshot, 2025
From the balance sheet at 31 October 2025, as filed at Companies House.
Gilchrist Engineering Services Limited over the years
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 £5,296 (+0.8%) on the year before, to £685K.
- Net assets rose in 5 of 6 year-on-year comparisons on record.
- Current assets of £2M against £1.4M owed within a year: 1.4 times cover.
- 15 employees on average, up from 11 the year before.
- Balance sheets on record for 7 years, 2019 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Oct 2025 | £685K | £214K | £2M | £1.4M | 15 |
| 31 Oct 2024 | £680K | £256K | £1.2M | £648K | 11 |
| 31 Oct 2023 | £500K | £224K | £977K | £540K | 9 |
| 31 Oct 2022 | £474K | £260K | £616K | £234K | 8 |
| 31 Oct 2021 | £402K | £639K | £283K | 1 | |
| 31 Oct 2020 | £45 | £5,981 | £5,936 | 0 | |
| 31 Oct 2019 | £100 | £100 | 0 |
Where Gilchrist Engineering Services Limited is registered
The registered office is in Harrow (HA1), in the Harrow local authority area, London. Show HA1 2EY on a map.
Other trade companies in HA1
- Cabos Electrical LimitedElectricians
- Mia Maria Services LtdCleaning companies
- Ac Operations LtdScaffolders
- Verde Masters LtdLandscapers and gardeners
- Omega Works Group LtdLandscapers and gardeners
- Call 'Em LimitedPlumbers and heating engineers
- Swan Roofing Services LimitedRoofers
- DRV Property Solutions LtdPainters and decorators
Also registered at this address
18 other companies use the same registered office as Gilchrist Engineering Services Limited.
- 12 Cleaning Company LimitedCleaning companies
- Allwinds Ground Maintenance LtdLandscapers and gardeners
- Alphabet Services LimitedFacilities management
- Alter & Native (DM) LimitedProperty developers
- Builder Cleans LimitedCleaning companies
- CCL Construction LimitedSpecialist contractors
- Fine Home Building LtdBuilders
- G J Taylor & Company LimitedBuilders
- Gilchrist Engineering Holdings LimitedPlumbers and heating engineers
- JMP Facilities (Developments - Eccles 1) LimitedProperty developers
- JMP Facilities (Developments) LimitedProperty developers
- JMP Facilities LimitedProperty developers
- Jnoad LimitedElectricians
- Old Bills Pest Control LimitedCleaning companies
- S&M Truck Services LimitedMechanics and garages
- Scozak Development LimitedBuilders
- Solventia LimitedCleaning companies
- WB Building Contractors LimitedSpecialist contractors
What happens if Gilchrist Engineering Services 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 July 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Aug 2027 to 31 Aug 2027 | £150 |
| 1 to 3 months late | 1 Sep 2027 to 31 Oct 2027 | £375 |
| 3 to 6 months late | 1 Nov 2027 to 31 Jan 2028 | £750 |
| More than 6 months late | From 1 Feb 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
- 11601359
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 3 October 2018 (8 years ago)
- Registered office
- C/O Cox Costello & Horne, 7 ST. Johns Road, Harrow, HA1 2EY
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 October (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 October 2025
- Last confirmation statement
- 2 October 2025
- Charges (mortgages)
- 1 outstanding of 1 registered
- Previous names
- Higgins Mechanical Services Ltd (until 7 Jul 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 Harrow
Other active plumbing and heating companies registered in Harrow.
- Greenflow Heating Ltd2022
- H & C Aircon Limited2003
- H K Heating Limited2019
- Hampden Heating Ltd2025
- Hampton Heating & Plumbing Ltd2010
- Heating and Plumbing London Ltd2026
- Heatpumps Hub Limited2014
- Herts Waste Limited2016
All plumbing and heating companies in Harrow · All trades in Harrow · Plumbers and heating engineers across the UK
Frequently asked questions
When are Gilchrist Engineering Services Limited's accounts due?
Gilchrist Engineering Services Limited's next accounts are due at Companies House by 31 July 2027 (in 292 days), covering the period to 31 October 2026.
When is Gilchrist Engineering Services Limited's CT600 due?
The CT600 for the period to 31 October 2026 is due at HMRC by 31 October 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 August 2027.
Is Gilchrist Engineering Services Limited still trading?
Gilchrist Engineering Services 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 Gilchrist Engineering Services Limited do?
Gilchrist Engineering Services Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Gilchrist Engineering Services Limited?
Gilchrist Engineering Services Limited was incorporated on 3 October 2018, 8 years ago.
What is the penalty if Gilchrist Engineering Services 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 Gilchrist Engineering Services 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.