Areas we cover

Window cleaning and building maintenance across Hertfordshire

SeeForth works across Hertfordshire from its office in London, EC2, up the A1(M), the M11 and the A10. Cladding panels on a university campus in Hatfield, render repairs and decorating at a school near Radlett, and office windows in Hitchin are all on the books. This page shows what we have done in the county and what we offer.

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Hertfordshire buildings we have looked after

Every area page on this site is built on work we have actually done there. These three cover the middle of the county.

Hatfield, AL10

University campus, cladding panels on five courts

A student accommodation provider asked us to clean the external cladding panels across five accommodation courts on a university campus in the summer break of 2026, using reach and wash with purified water and no detergent. We reported which panels responded and which did not, and why. Read the Hatfield case study.

Shenley, near Radlett, WD7

Independent school, render repair and decorating

An independent school has had us back over two years: repairing and painting over damaged render in spring 2025, and the first year of a planned external decorating programme in February 2026, booked for the half-term break. Gutter clearance by rope access is quoted for the same site.

Hitchin, SG5

Town centre offices, first and second floor windows

External window cleaning of the first and second floors of an office building on Hermitage Road for the building's trustees in February 2024, a small job done properly and invoiced the week it was finished.

What we do in Hertfordshire

Window cleaning

Reach and wash from the ground up to five storeys, and rope access or MEWPs above that. Offices, student blocks, schools and industrial units. See mid rise and high rise window cleaning.

Cladding and render cleaning

Soft washing that lifts algae, traffic film and bird fouling from cladding and render without opening the surface. See cladding and render cleaning.

Commercial decorating

External and internal decorating programmes for schools and commercial buildings, planned around term dates and trading hours. See commercial decorating.

Gutter clearance and roof repairs

Gutters and outlets cleared by rope access where ladders cannot go, and roof repairs where the clearance finds a problem. See rainwater clearance.

Eyebolt testing and bird proofing

Eyebolt testing so roof anchors are certified before the next visit, and bird proofing for roofs and ledges.

Fire risk assessments

Student accommodation, blocks of flats, HMOs, schools and offices, assessed by IFSM registered Level 6 assessors. See fire risk assessments.

How we work in the county

  • Campuses and schools. Student courts are cleaned in the summer break or the first week of September. School work goes into half terms and holidays, as the Radlett decorating did.
  • Buildings in use. Where a visit has to happen while people are in, notices go to residents and staff before we arrive, timings are agreed with the site team and a supervisor is on the ground for the whole visit.
  • Honest reporting. Where a panel or a surface does not respond to cleaning, we say so and explain why, rather than signing it off. The Hatfield report did exactly that.
  • Roof anchors first. Before we quote rope access we ask for the eyebolt certificates and test them if they are out of date.
  • Grouped visits. Where a client has more than one site in the county, or we can pair a Hertfordshire job with work on the A1(M) or the M11, the travel comes off the price.
  • Paperwork before people. Site-specific RAMS, a named supervisor and our insurance documents go to the estates or facilities team before the first visit.

Towns we cover

Hatfield, Welwyn Garden City and St Albans. Watford, Radlett and Borehamwood. Hertford, Ware and Hoddesdon. Stevenage, Hitchin and Letchworth. Bishop's Stortford and Sawbridgeworth on the Essex border. Cheshunt and Potters Bar on the London border. For the neighbouring counties, see our Essex and Cambridge pages; for the capital, see London.

How to book

  1. Send the address and a photo of the building, and tell us what you want done and whether it is a one-off or a programme.
  2. We look at the building. A campus, a school or anything above five storeys gets a site visit first.
  3. Fixed quote, with the access method, the dates and anything the site needs from you.
  4. The work, with RAMS signed off in advance and a report at the end where you want one.

Common questions

Do you cover Hertfordshire from London?

Yes. Our office is at 86-90 Paul Street, London EC2A 4NE, and most of the county is under an hour away up the A1(M), the M11 or the A10. Where a visit can be grouped with other work, the travel comes off the price.

How do you plan cladding cleaning on a student campus?

With the site team, around the academic year. The Hatfield courts were cleaned in the summer break of 2026, with the buildings empty, the elevations and timings agreed with the site team in advance and a supervisor on the ground throughout. Where a visit has to happen in term time, residents are told which elevations are in use each day.

Do you do decorating as well as cleaning?

Yes. The school near Radlett has had us repair and paint damaged render and start a planned external decorating programme, both booked into school holidays. See our commercial decorating page for the scope.

What happens if a surface does not come clean?

We tell you. At Hatfield the report showed which panels had not responded to cleaning and why, with photographs, so the client could decide what to do next rather than being told everything was fine.

Can you clean windows in a town centre without ladders?

Yes. Reach and wash poles work from the pavement up to about five storeys, so a first or second floor frontage like the Hitchin offices on this page needs no ladders or scaffold.

Do you carry out fire risk assessments in Hertfordshire?

Yes. Both of our assessors are IFSM registered and hold the NSA Level 6 Diploma. Student accommodation, blocks of flats, HMOs, schools and offices are all within scope.

Tell us the building and we will tell you how we would clean it. Call 020 4634 3089 or send the address and a photo.

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