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Harrow · HA6 · Patio and decking cleaning

Professional Patio and decking cleaning in Northwood, HA6

Same-week slots · Fully insured · Local Northwood fitters · Fixed written pricesBooking patio and decking cleaning near Northwood Golf Club? Long driveways and gated entrances; roads are wide and easy for a Luton, and that is planned into the slot rather than discovered on the day. Prices start at £4.50 and are fixed before we travel. Units are built in the room they live in, then wall-anchored where they need it.

HA6
  • Patio and decking cleaning in Northwood HA6 from £4.50, fixed in writing
  • Most booked here: a half-day job list — doors eased
  • Same-week across every borough, with weekend slots common through spring and early summer when garden and roof-terrace use picks up.
  • London Borough of Harrow permits, ULEZ itemised, never hidden
Patio and decking cleaning in Northwood HA6, Harrow
Patio and decking cleaning in Northwood HA6, Harrow — photographed on a Hello Services job.
Hello Services carpet cleaning technician hot-water extracting a living-room carpet with a professional machine — Hello Services team working in Northwood HA6, Harrow
Hello Services crews work across Harrow every week.
From, concrete flag patio, per m²
£4.50From, concrete flag patio, per m²
Northwood homes are flats
38%Northwood homes are flats
Privately rented
25%Privately rented
Households in Northwood
7,999Households in Northwood

Overview

Patio and decking cleaning in Northwood HA6, explained

Patio and decking cleaning in Northwood HA6 is a fixed-price visit for owner-occupier-led homes in Harrow, most of them period conversion. 7,999 households sit inside this HA6 patch, 38% of them flats, so we quote on access near Northwood Golf Club rather than a London average.

How it works

How patio and decking cleaning works in Northwood

Five steps, the same on every HA6 job, so you know what happens before you commit. Inter-war and post-war semis with timber stud partitions and cavity outer walls on these streets — and with 29% one-person households in Northwood, one adult is usually the only pair of hands on site is what we plan for here.
  1. Step 1

    Tell us the surface and access

    Surface type, rough area, and whether there's an outside tap.

  2. Step 2

    Fixed written quote

    Per square metre, with oiling and bowser water as separate lines.

  3. Step 3

    Clear and pre-treat

    Furniture moved, gaps cleared, biocide soak on shaded growth.

  4. Step 4

    Wash at the right pressure

    Full strength on concrete; stepped down on stone, softwood and composite.

  5. Step 5

    Dry, treat and hand back

    Decking dried before oiling, drainage checked, furniture replaced.

Why choose us

Why Northwood customers book us

Four things decide whether a HA6 job goes well, and none of them are visible from a price list.

Booked around your day

Same-week across every borough, with weekend slots common through spring and early summer when garden and roof-terrace use picks up. Northwood (Metropolitan) is the nearest station, so a HA6 visit rarely needs a whole morning set aside.

Northwood walls, not generic walls

We expect cavity brickwork outside, over timber stud partitions inside, which is why London Borough of Harrow kerb rules get settled before the van is loaded in HA6, and we carry the anchors, through-fixings and long bits that match. The mistake we spend most time undoing here is Northwood gives us a four-hole bracket with two screws in a stud and two in fresh air, and with 25% of homes here privately rented, it sets the booking date as often as the job does.

Insured and documented

Wastewater containing detergent or biocide is contained and directed away from surface water drains during the clean, and drainage outlets on roof terraces and balconies are checked and cleared as part of the visit.

Crew sized to the job

One technician for a standard garden patio or deck; two for a roof terrace or balcony where water has to be carried up by bowser and furniture moved through a lift or stairwell. Long driveways and gated entrances; roads are wide and easy for a Luton.

Fixed prices

Patio and decking cleaning prices in Northwood

Fixed prices for HA6 and the rest of Harrow. Surface material first — natural stone and composite decking cost more per square metre than concrete because both need a lower pressure that takes longer to cover the same area — then access, since a roof terrace with no outside tap needs water carried up rather than run from a hose.
Patio and decking cleaning price guide for Northwood HA6
JobFromTypical timeWhat sets the price
Concrete flag patio, per m²£4.50By areaFull-pressure rotary surface cleaner.
York stone or sandstone patio, per m²£6.50By areaLower pressure, stone-safe cleaner.
Softwood decking clean, per m²£5By areaLow pressure, nozzle kept moving.
Composite decking clean, per m²£5.50By areaWide fan nozzle protects the capping layer.
Decking oiling or re-staining after cleaning, per m²£4Added to visitSeparate pass once boards have dried.
Roof terrace or balcony deck, per m²£7By areaBowser water and a drainage check.

Domestic prices are the total you pay; managing agents and landlords are invoiced plus VAT at 20%. Furniture moving and clearing deck-board drainage gaps are included; a bowser or extended hose run is shown as its own line.

Scope

What's included in Northwood

The same scope across HA6, whether the job is a single item or a full room.

Included in the price

  • Standard on Harrow bookings: surface identified first — concrete, natural stone, softwood or composite — and the pressure set for it, arranged with London Borough of Harrow where the kerb needs it
  • Algae, moss and lichen treated with a biocide before washing — including patio and decking cleaning prices
  • In Northwood: deck board gaps cleared so water drains through, the way it is done on Northwood jobs
  • On HA6 jobs: furniture and planters moved and repositioned, with 38% of homes here being flats, planned around the stair or the lift
  • Standard on Harrow bookings: wastewater directed away from surface water drains, allowing for the 25% of HA6 homes that are privately rented and need the landlord's sign-off
  • Drainage outlets on roof terraces and balconies checked clear, noted on the Northwood job sheet so the next visit starts from it

Not included

  • Replacing rotten, cracked or delaminating deck boards, handled by London Borough of Harrow or a specialist contractor instead
  • Repointing or re-bedding loose or sunken stone slabs, which we refer on to the right trade in Northwood
  • Deep oil or paint staining soaked into porous stone, outside the fixed price on Northwood bookings
  • Structural work on raised decking or balustrades, and we will say so before the HA6 visit rather than on the day

Cleaning reviews from Greater London customers

4.5 ★ from 3,131 Trustpilot reviews
★★★★★Trustpilot
End of tenancy clean and wow! Better than I expected and only used Hello Services because I found them for my work boss' flats in London. Reasonably priced, value for money and A1 first class job done. Very professional and friendly too. Many thanks Laura
Laura Pullen, Greater London · · View on Trustpilot
★★★★★Trustpilot
First time using Hello Services within North London and I would highly recommend. Excellent end of tenancy clean, would use again! Thank you!
SMurphy, Greater London · · View on Trustpilot
★★★★★Trustpilot
I asked Hello Services for a deep clean of the carpets of a house in London we were moving into. Loqman and his colleague arrived on time and were incredibly fast in firstly hoovering all to be worked on and then deep cleaning a total of seven sets of carpets across our first and second… Read in full →
Dan H, Greater London · · View on Trustpilot

Read all 18 Cleaning reviews from Greater London customers

4.5 out of 5 from 3,131 reviewsCheck on GoogleCheck on Trustpilot

Quoted verbatim from reviews customers left on our public Google and Trustpilot profiles. Nothing is edited, shortened beyond the link above, or written by us.

Working in Northwood

Northwood HA6 at a glance

Published figures for the neighbourhood that covers Northwood — the numbers that actually change a patio and decking cleaning quote.

Northwood HA6 is period conversion and owner-occupier-led: 38% of homes here are flats and 62% are houses, across 7,999 households (ONS Census 2021).

Because 25% of Northwood is privately rented and 16% socially rented, a lot of HA6 work is agreed with a landlord or managing agent rather than the person opening the door.

Northwood substrates run to cavity brickwork outside, over timber stud partitions inside, which is why London Borough of Harrow kerb rules get settled before the van is loaded. Nothing is drilled until the wall has been sounded, because Northwood gives us a four-hole bracket with two screws in a stud and two in fresh air, and with 25% of homes here privately rented, it sets the booking date as often as the job does is the mistake that costs a HA6 customer twice.

Northwood is outside the Congestion Charge zone but inside ULEZ; our vehicles are compliant, so nothing is added for it. What shapes the job more is the neighbourhood itself — affluent Metroland suburb of large houses, private schools and golf courses — which is why a HA6 quote is not a Harrow average.

On access, long driveways and gated entrances; roads are wide and easy for a Luton — one reason one technician for a standard garden patio or deck; two for a roof terrace or balcony where water has to be carried up by bowser and furniture moved through a lift or stairwell. Fitters travelling in use Northwood (Metropolitan).

Area at a glance

Northwood HA6 by the numbers

Who lives in Northwood and what they live in decides how patio and decking cleaning is quoted and how long a visit takes. These are the published Census 2021 figures for the Northwood and Northwood Hills neighbourhood itself — not Harrow-wide averages, and not estimates.

19,939

Residents

Northwood and Northwood Hills neighbourhood, Census 2021

7,999

Households

Median age 40.1

Flats vs houses

Flats 37.8%Houses 62.1%

Residents by sex

Male48%
Female52%

Single-person households

29.4%

Privately rented

24.6%

Median age
40.1
Owner-occupied
59.5%
Social rented
15.9%
Postcode districts
HA6
Nearest station
Northwood
Parking
CPZ + ULEZ

Source: ONS Census 2021 via Nomis (TS008, TS041, TS007A, TS044, TS054, TS003), MSOA geography. Figures cover the ONS neighbourhoods Northwood, Northwood Hills (E02000495, E02000497) — the published geography that covers Northwood, not the whole borough. Neighbourhood names: House of Commons Library MSOA Names (OGL). Coordinates for the HA6 district: 51.6119, -0.4225Outward postcode centroid, postcodes.io (Ordnance Survey Open Data).

Common questions

Patio and decking cleaning in Northwood HA6 — your questions.

  • How much does patio and decking cleaning cost in Northwood HA6?

    50 in Northwood, and every job is quoted as a fixed written price before a fitter is booked around Northwood (Metropolitan), with Northwood Golf Club a few streets away. Surface material first — natural stone and composite decking cost more per square metre than concrete because both need a lower pressure that takes longer to cover the same area — then access, since a roof terrace with no outside tap needs water carried up rather than run from a hose in Northwood — and 29% one-person households here, with 25% of HA6 homes being privately rented.

  • Do you assemble IKEA and other flat-pack furniture in Northwood HA6?

    Yes — IKEA, Argos, Wayfair, Made and independent brands are all built to the manufacturer's instructions on HA6 jobs, with Harrow parking rules in play. We are independent of every retailer; the names simply describe what we assemble in Northwood most weeks on this side of Harrow, with 29% one-person households here.

  • How long does flat-pack assembly take in Northwood?

    5–2 hours. Sliding-door and corner wardrobes take two to four times as long because the tracks have to be dead level on this side of Harrow, with 16% social-rented stock nearby. With 38% of homes in Northwood being flats, we plan the route up front.

  • Will a built wardrobe fit through a Northwood doorway?

    That is exactly why we build in the room it will live in on HA6 jobs. With 38% of Northwood homes being flats, narrow hallways and tight turns are the norm on the Northwood rounds — and 16% social-rented stock nearby, with 60% owner-occupation locally, so anything that will not pass a doorway once assembled is built where it stands.

  • What is not included in patio and decking cleaning in Northwood?

    Replacing rotten, cracked or delaminating deck boards; Repointing or re-bedding loose or sunken stone slabs; Deep oil or paint staining soaked into porous stone; Structural work on raised decking or balustrades around Northwood (Metropolitan) — and 60% owner-occupation locally, with Harrow parking rules in play. Anything outside that scope is quoted separately so the Northwood HA6 price you agree is the price you pay across HA6, with 38% of homes here being flats.

  • Who books patio and decking cleaning in Northwood HA6 — tenants, landlords or owners?

    All three. With 25% of Northwood privately rented and 60% owner-occupied, roughly half the HA6 diary is agent- or landlord-instructed and invoiced separately from the person at the door around Northwood (Metropolitan) — and Northwood Golf Club a few streets away, with 29% one-person households here.

  • How quickly can you reach Northwood from your Harrow round?

    Northwood Golf Club is the marker we route to on the streets near Northwood Golf Club, with 7,999 households on this patch, and long driveways and gated entrances; roads are wide and easy for a Luton. A HA6 slot added to an existing Harrow round usually lands the same week rather than the next across HA6, with 29% one-person households here.

Recent jobs near you

Real jobs our crews have completed nearby, with the price the customer actually paid. Published with their permission.

  • Deep Cleaning

    Northwood

    July 2026

    One deep cleaning job completed in Northwood in July 2026.

    £200

  • Deep Cleaning

    Northwood

    June 2026

    One deep cleaning job completed in Northwood in June 2026.

    £196

  • End OF Tenancy Cleaning

    Northwood

    June 2026

    One end of tenancy cleaning job completed in Northwood in June 2026.

    £225

Free quote · 1-hour reply

Get a fixed price for Patio and decking cleaning in Northwood HA6

Two ways to go: price it yourself on the quote page, or pick a slot on the live booking calendar. Northwood HA6 jobs are confirmed in writing before anyone travels, and the same crew covers the rest of harrow.

No deposit is taken until the price and slot are confirmed in writing.