Crouch End / Hornsey — covered by Haringey Council.
Planning permission drawings delivered by an MCIAT chartered team.
Building regulations drawings delivered by an MCIAT chartered team.
Loft conversion drawings delivered by an MCIAT chartered team.
House extension drawings delivered by an MCIAT chartered team.
Mansard roof extensions delivered by an MCIAT chartered team.
Garage conversion drawings delivered by an MCIAT chartered team.
Basement conversion drawings delivered by an MCIAT chartered team.
Structural calculations delivered by an MCIAT chartered team.
Measured building survey delivered by an MCIAT chartered team.
Party wall services delivered by an MCIAT chartered team.
Rear dormer drawings delivered by an MCIAT chartered team.


N8 primarily covers Crouch End / Hornsey in Haringey.
Decisions for N8 are made by Haringey Council. Standard Permitted Development rules apply for most rear extensions and loft conversions on terraced and semi-detached houses, unless the property is in a conservation area, is listed, or sits under an Article 4 Direction. Article 4 in Haringey: Yes.
Building regs from £950. We do not charge hourly. Free site survey across all N8 addresses.
From first call to planning decision: typically 12–14 weeks. Site survey week 1, design weeks 2–3, validation 1–2 weeks, statutory 8-week determination. Haringey Council timelines align with the national norm.
Crouch End / Hornsey in N8 is characterised by the housing stock of Haringey — broadly edwardian terraces in crouch end, muswell hill.

Pick a slot that suits you. No obligation and no sales pressure, just straight answers on your planning route.
Every N8 postcode district we draw in, the stock that dominates it and the authority that validates a drawing package there. N8 fees below are the statutory England rates for 2026, not drawing package estimates.
| Postcode | Area | Dominant stock | What it means for a drawing package |
|---|---|---|---|
| N8 | Crouch End / Hornsey | Edwardian terraces, Victorian villas | Crouch End / Hornsey sits wholly inside N8, so Haringey Council validates every drawing package submitted from an N8 address. |
| N8 | Crouch End | Edwardian terraces, Victorian villas | Crouch End sits inside N8; drawing package proposals here are determined by Haringey Council. |
| N8 | Harringay | Victorian terraces (Harringay Ladder) | Harringay sits inside N8; drawing package proposals here are determined by Haringey Council. |
| N8 | Hornsey | Edwardian terraces, Victorian villas | Hornsey sits inside N8; drawing package proposals here are determined by Haringey Council. |
| N4 | Finsbury Park / Stroud Green | Victorian terraces, post-war estates | Adjoining district to N8, also inside Haringey for drawing package purposes. |
| N10 | Muswell Hill | Edwardian villas, 1930s semi-detached | Adjoining district to N8, also inside Haringey for drawing package purposes. |
| N15 | Seven Sisters / South Tottenham | Victorian terraces, post-war estates | Adjoining district to N8, also inside Haringey for drawing package purposes. |
Roof pitch, wall build-up and plot depth change every few N8 streets, and each one changes what a drawing package can achieve at that address.
How designation changes a N8 (Crouch End / Hornsey) drawing package: Haringey Council maintains 29 conservation areas, including Muswell Hill, Crouch End, Tottenham Green. Inside any of them a N8 (Crouch End / Hornsey) drawing package cannot rely on permitted development, and the route becomes a £548 householder application determined in 8 weeks rather than a £249 prior approval in 6 weeks. Crouch End sets the tone for N8 (Crouch End / Hornsey) casework.
What Article 4 removes near N8 (Crouch End / Hornsey): Borough-wide Article 4 for HMO conversions. Before pricing a drawing package we check whether the N8 address is inside the mapped area, because Haringey Council draws the N8 (Crouch End / Hornsey) boundary street by street rather than across the whole of N8 (Crouch End / Hornsey).
N8 (Crouch End / Hornsey) housing stock: Edwardian terraces in Crouch End, Muswell Hill; Victorian two-up-two-downs in Harringay Ladder; 1930s semi-detached in Muswell Hill; post-war in Tottenham. Muswell Hill and Crouch End have strong conservation coverage with clear loft/mansard precedents; Tottenham generally permissive. Read that before choosing a drawing package route in N8 (Crouch End / Hornsey) — construction, not postcode, sets what is achievable. Haringey Council charges £548 for a householder application and has 8 weeks to determine it.
Sources for this N8 drawing package page: borough policies maps and conservation-area registers (2025–26), Royal Mail postcode district boundaries, the Town and Country Planning (Fees for Applications) (England) Regulations, the Town and Country Planning (General Permitted Development) (England) Order 2015 as amended, and the Party Wall etc. Act 1996.
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