Seven Sisters / South Tottenham — 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.


N15 primarily covers Seven Sisters / South Tottenham in Haringey.
Decisions for N15 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 N15 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.
Seven Sisters / South Tottenham in N15 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 N15 postcode district we draw in, the stock that dominates it and the authority that validates a drawing package there. N15 fees below are the statutory England rates for 2026, not drawing package estimates.
| Postcode | Area | Dominant stock | What it means for a drawing package |
|---|---|---|---|
| N15 | Seven Sisters / South Tottenham | Victorian terraces, post-war estates | N15 covers Seven Sisters / South Tottenham only; Haringey Council handles the drawing package. |
| N15 | Tottenham | Victorian terraces, post-war estates | Tottenham sits inside N15; drawing package proposals here are determined by Haringey Council. |
| N4 | Finsbury Park / Stroud Green | Victorian terraces, post-war estates | Adjoining district to N15, also inside Haringey for drawing package purposes. |
| N8 | Crouch End / Hornsey | Edwardian terraces, Victorian villas | Adjoining district to N15, also inside Haringey for drawing package purposes. |
| N10 | Muswell Hill | Edwardian villas, 1930s semi-detached | Adjoining district to N15, also inside Haringey for drawing package purposes. |
Roof pitch, wall build-up and plot depth change every few N15 streets, and each one changes what a drawing package can achieve at that address.
Conservation areas covering N15 (Seven Sisters / South Tottenham): Haringey Council runs 29, and Muswell Hill, Crouch End, Tottenham Green are the ones N15 (Seven Sisters / South Tottenham) owners meet most. A drawing package inside a N15 (Seven Sisters / South Tottenham) conservation area loses permitted development, so the N15 (Seven Sisters / South Tottenham) submission is a householder application at £548 decided in 8 weeks — not a £249 prior approval decided in 6 weeks. In Tottenham Green a drawing package is judged on the street elevation first.
N15 (Seven Sisters / South Tottenham) and Article 4: Borough-wide Article 4 for HMO conversions. A drawing package planned at a N15 address is checked against that direction first; Haringey Council publishes the N15 (Seven Sisters / South Tottenham) extent, and the N15 line rarely follows the N15 (Seven Sisters / South Tottenham) boundary you would expect.
N15 (Seven Sisters / South Tottenham) 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 N15 (Seven Sisters / South Tottenham) — 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 N15 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.
Same-day fixed quote. MCIAT chartered. No hourly creep.
Start free quoteOr contact us about your project first
Before you commit, 30% below London architects and seeing why work with us. You can find your service to find the right fit, or set up your account to track your project. When you are ready, get a quote for your project — most homeowners have a fee in minutes — or contact us and a chartered technologist will be in touch.